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Quiz: Butterfly Venipuncture and Syringe Method

By Nancy Kimmel, MSN, FNP / July 2, 2026

Quiz: Butterfly Venipuncture and Syringe Method

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Question 1 of 100

1. Question

A CCMA has just completed a blood draw using a syringe. What is the immediate next step after withdrawing the needle and placing gauze on the site?

Transfer the blood into the evacuated tubes
Correct Incorrect Correct answer

Activate the needle's safety device
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Label the collection tubes
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Apply a bandage to the patient's arm
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Question 2 of 100

2. Question

A CCMA is performing a syringe draw on a patient with difficult veins. After inserting the needle, no flash is seen, and no blood can be drawn. What is the most appropriate initial action?

Immediately withdraw the needle and try the other arm.
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Pull the plunger back with maximum force.
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Make slight adjustments to the needle's depth or angle.
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Ask the patient to pump their fist vigorously.
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Question 3 of 100

3. Question

A CCMA is preparing to draw blood from an 82-year-old patient with small, fragile veins in her hand. Which of the following is the most appropriate equipment selection for this procedure?

21g straight needle and evacuated tube system
Correct Incorrect Correct answer

23g butterfly needle and a 10 mL syringe
Correct Incorrect Correct answer

20g needle and an evacuated tube for rapid collection
Correct Incorrect Correct answer

A lancet for a fingerstick to obtain the required volume
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Question 4 of 100

4. Question

A patient requires a 5 mL blood draw. The CCMA can only find a 20 mL syringe. What is the best course of action?

Use the 20 mL syringe but only pull the plunger to the 5 mL mark.
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Inform the patient that the draw cannot be completed.
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Use the 20 mL syringe and fill it completely to ensure a good sample.
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Wait until a smaller syringe is available.
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Question 5 of 100

5. Question

After transferring blood from a syringe to a light blue top tube (sodium citrate), what is the next critical step?

Shaking the tube vigorously for 10 seconds.
Correct Incorrect Correct answer

Placing the tube immediately in a centrifuge.
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Gently inverting the tube 3-4 times.
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Leaving the tube upright in a rack for 30 minutes.
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Question 6 of 100

6. Question

During a syringe draw, what is the primary reason for pulling back on the plunger slowly and steadily?

To prevent the patient from feeling any pain
Correct Incorrect Correct answer

To avoid causing hemolysis or collapsing the vein
Correct Incorrect Correct answer

To ensure the needle does not dislodge from the vein
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To allow the tourniquet to be left on longer
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Question 7 of 100

7. Question

The “flash” of blood seen in the tubing of a butterfly needle indicates:

The needle has gone through the vein.
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The needle has successfully entered the lumen of the vein.
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The patient's blood is hemolyzed.
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The tourniquet is too tight.
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Question 8 of 100

8. Question

The mnemonic ASPIRATE is a study aid for the syringe method. What does the ‘A’ in ASPIRATE stand for?

Apply the tourniquet.
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Anchor the vein firmly.
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Assess the patient's history.
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Aspirate the blood quickly.
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Question 9 of 100

9. Question

When transferring blood from a syringe to evacuated tubes, the CCMA should:

Push the syringe plunger forcefully to fill the tubes quickly.
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Remove the tube stopper and pour the blood in.
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Use a blood transfer device and allow the tube's vacuum to draw the blood.
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Attach the original butterfly needle to the tube holder.
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Question 10 of 100

10. Question

Which of the following is a key advantage of the syringe method over the evacuated tube system (ETS)?

It is a faster procedure overall.
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It eliminates the need for a specific order of draw.
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It allows for manual control of aspiration pressure.
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It is less expensive.
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Question 11 of 100

11. Question

A CCMA is tasked with performing a heel stick to collect a bilirubin specimen from a jaundiced newborn. What special consideration is most important for this specific collection?

The infant must be fasting for at least 4 hours.
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The specimen must be protected from light.
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The collection must be done within 1 minute.
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The puncture must be made on the arch of the foot.
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Question 12 of 100

12. Question

A CCMA needs to collect capillary blood for a CBC, a glucose test, and a serum chemistry panel. What is the correct order of draw for the microcollection tubes?

Gray, Lavender, Red
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Lavender, Red, Gray
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Red, Gray, Lavender
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Lavender, Gray, Red
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Question 13 of 100

13. Question

A medical assistant is performing a heel stick on a 2-month-old infant. Which of the following actions indicates a need for further training?

Warming the infant's heel for 3-5 minutes before the procedure.
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Selecting a puncture site on the medial plantar surface of the heel.
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Using a lancet with a puncture depth of 2.5 mm.
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Wiping away the first drop of blood with sterile gauze.
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Question 14 of 100

14. Question

A medical assistant is preparing to perform a fingerstick on a 45-year-old patient for a glucose test. Which of the following is the most appropriate site for the puncture?

The tip of the index finger on the dominant hand.
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The lateral side of the fourth finger on the non-dominant hand.
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The center of the thumb on the non-dominant hand.
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The posterior curvature of the heel.
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Question 15 of 100

15. Question

A medical assistant is reviewing the procedure for capillary puncture. The guidelines state to avoid puncturing the posterior curvature of an infant’s heel. This is to prevent injury to which structure?

The plantar artery
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The Achilles tendon
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The calcaneus
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The metatarsal bones
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Question 16 of 100

16. Question

A patient asks why their ring finger is being used for a fingerstick instead of their index finger. What is the best response by the medical assistant?

"It's just the standard procedure we follow for everyone."
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"The skin on your index finger is generally thicker and more calloused, which can make the puncture more difficult and painful."
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"We can use your index finger if you prefer, it doesn't really matter."
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"The blood flow is better in the ring finger."
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Question 17 of 100

17. Question

After performing a fingerstick, the patient continues to bleed from the puncture site. What is the most appropriate action for the medical assistant to take?

Apply a small adhesive bandage and send the patient on their way.
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Instruct the patient to hold their hand below the level of their heart.
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Apply firm, continuous pressure to the site with a clean gauze pad.
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Wipe the site with an alcohol pad to clean it again.
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Question 18 of 100

18. Question

An adult patient has very cold, pale hands. The medical assistant is having difficulty obtaining an adequate blood sample via fingerstick. What is the most appropriate next step?

Puncture the finger again in a different spot.
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Squeeze the finger much harder to force blood out.
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Warm the patient's hand with a heel warmer or warm compress for 3-5 minutes.
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Switch to a venipuncture procedure immediately.
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Question 19 of 100

19. Question

When performing a capillary puncture, why is it essential to wipe away the first drop of blood?

It is usually too small to be a useful sample.
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It is contaminated with tissue fluid (interstitial fluid).
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It has a higher concentration of red blood cells.
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It is likely to be clotted.
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Question 20 of 100

20. Question

While collecting a capillary specimen, the medical assistant is forcefully squeezing the patient’s finger to increase blood flow. This action, known as “milking,” can lead to what complication?

Hemoconcentration
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Hemolysis
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Hematoma
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Hemostasis
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Question 21 of 100

21. Question

A medical assistant is collecting blood for a coagulation study, a complete blood count (CBC), and a blood culture. Which of the following is the correct order of draw?

Light Blue, Lavender, Yellow
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Yellow, Light Blue, Lavender
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Lavender, Yellow, Light Blue
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Yellow, Lavender, Light Blue
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Question 22 of 100

22. Question

A new medical assistant is struggling to remember the order of draw. They recall a mnemonic starting with “Stop, Light, Red…”. What tube color follows Red in this sequence?

Gray
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Lavender
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Green
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Light Blue
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Question 23 of 100

23. Question

A patient is scheduled for a series of tests including a blood culture, a PT/INR, and a stat potassium level. The medical assistant has yellow, light blue, and green top tubes. To ensure specimen integrity, what is the final tube they should draw?

Yellow
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Light Blue
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Green
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It does not matter
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Question 24 of 100

24. Question

A patient needs to have their Prothrombin Time (PT) tested. The phlebotomist should use a tube with which color top?

Green
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Red
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Lavender
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Light Blue
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Question 25 of 100

25. Question

A phlebotomist accidentally draws a lavender top tube before a green top tube. Which of the following test results might be falsely affected?

Sodium
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Potassium
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Glucose
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Prothrombin Time
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Question 26 of 100

26. Question

A physician orders a CBC and a serum chemistry panel. The medical assistant collects a lavender top tube and then a gold top (serum separator) tube. What is the most likely consequence of this incorrect order of draw?

The patient's calcium level may be falsely decreased.
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The patient's glucose level may be falsely increased.
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The patient's red blood cell count may be falsely decreased.
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The patient's sodium level may be falsely increased.
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Question 27 of 100

27. Question

The mechanism of action for heparin as an anticoagulant is:

Binding calcium ions.
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Inhibiting thrombin formation.
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Activating the clotting cascade.
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Preventing the breakdown of glucose.
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Question 28 of 100

28. Question

The primary reason for the specific order of draw is to:

Ensure the tubes fill correctly.
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Prevent cross-contamination of additives.
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Make the process faster for the phlebotomist.
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Match the colors to the laboratory departments.
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Question 29 of 100

29. Question

Which additive is found in a gray top tube and is responsible for inhibiting glycolysis?

Sodium Citrate
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EDTA
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Sodium Fluoride
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Heparin
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Question 30 of 100

30. Question

Which of the following tubes is most appropriate for collecting a specimen for a blood alcohol level test?

Red top
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Gray top
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Light Blue top
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Lavender top
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Question 31 of 100

31. Question

A CCMA is having difficulty drawing blood from a patient who is dehydrated. Which of the following would be an appropriate troubleshooting step?

Use a larger gauge needle to increase flow.
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Ask the patient to pump their fist vigorously.
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Try using a smaller volume tube or a syringe.
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Leave the tourniquet on for longer than one minute to build pressure.
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Question 32 of 100

32. Question

A CCMA is preparing to draw blood from a patient with very fragile skin and veins. Which of the following is the best choice to prevent skin trauma and hematoma?

A 21-gauge needle and a tight tourniquet.
Correct Incorrect Correct answer

A butterfly needle (winged infusion set) and a gentle tourniquet application.
Correct Incorrect Correct answer

A lancet for a fingerstick, regardless of the test.
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A rapid, deep insertion of a standard needle.
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Question 33 of 100

33. Question

A CCMA leaves a tourniquet on a patient’s arm for 90 seconds before successfully completing the draw. This could lead to what complication?

Petechiae
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Hemoconcentration
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Nerve damage
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Septicemia
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Question 34 of 100

34. Question

A patient is taking anticoagulant therapy and has a venipuncture. What is a critical post-procedure step for the CCMA?

Apply a warm compress to the site immediately.
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Have the patient bend their arm at the elbow to hold the gauze.
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Apply pressure to the site for a longer duration, typically 5 minutes.
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Instruct the patient to remove the bandage after 15 minutes.
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Question 35 of 100

35. Question

A patient suddenly complains of sharp, radiating pain down their arm during a venipuncture. What is the most appropriate initial action for the CCMA to take?

Continue the draw but pull the needle back slightly.
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Immediately release the tourniquet, withdraw the needle, and apply pressure.
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Ask the patient to breathe deeply and finish the collection quickly.
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Re-angle the needle to find a better position within the vein.
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Question 36 of 100

36. Question

A patient with a history of fainting is scheduled for a blood draw. To best ensure the patient’s safety, the CCMA should:

Perform the draw with the patient in a standing position.
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Have the patient lie down or be in a reclining chair for the procedure.
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Offer the patient a sugary drink right before the draw.
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Complete the procedure as quickly as possible without explaining the steps.
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Question 37 of 100

37. Question

After two unsuccessful attempts at a venipuncture, what is the CCMA’s most appropriate next step?

Attempt a third time on the same arm but in a different location.
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Inform the patient that the test cannot be completed today.
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Ask another, more experienced CCMA or a supervisor to attempt the draw.
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Use a finger stick to collect the specimen, regardless of the test ordered.
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Question 38 of 100

38. Question

During a draw, the blood flow into the tube stops. The CCMA has already tried slightly repositioning the needle with no success. The vein appears to have disappeared. This is most likely a:

Hematoma
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Collapsed vein
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Hemolyzed specimen
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Thrombosed vein
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Question 39 of 100

39. Question

The formation of petechiae on a patient’s arm after applying the tourniquet is an indication of:

An allergic reaction to the latex in the tourniquet.
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A properly applied tourniquet.
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Potential capillary fragility or a low platelet count.
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The patient being well-hydrated.
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Question 40 of 100

40. Question

While performing a blood draw, the CCMA notices the area around the puncture site is beginning to swell and turn blue. This is a sign of:

Hemoconcentration
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Phlebitis
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Hematoma
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Syncope
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Question 41 of 100

41. Question

A CCMA is performing a difficult venipuncture on a geriatric patient with small, fragile veins. Which piece of equipment would be the most suitable choice?

A large-gauge needle
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A standard evacuated tube system
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A winged infusion set (butterfly)
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A syringe with a 20-gauge needle
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Question 42 of 100

42. Question

A medical assistant is preparing for a routine venipuncture on an adult patient with healthy, visible veins. Which of the following collection systems is most appropriate?

Syringe system
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Winged infusion set
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Evacuated tube system
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Capillary puncture kit
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Question 43 of 100

43. Question

A new CCMA notices the sharps container in the phlebotomy station is full, with needles visible at the top. What is the most appropriate analysis of this situation and the required action?

The container is functioning as intended; no action is needed.
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The situation poses a significant risk of injury; the CCMA should report it and obtain a new container before proceeding.
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The CCMA should try to push the needles down to create more space.
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The CCMA should place used needles next to the container until it is replaced.
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Question 44 of 100

44. Question

A patient begins to feel faint during a blood draw. The CCMA has already collected the specimen and removed the needle. What is the immediate next step regarding phlebotomy supplies?

Apply the cohesive wrap to the puncture site.
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Activate the needle's safety feature and dispose of it in the sharps container.
Correct Incorrect Correct answer

Begin documenting the procedure.
Correct Incorrect Correct answer

Offer the patient a glass of water.
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Question 45 of 100

45. Question

A patient informs the CCMA that they are allergic to alcohol. Which antiseptic should be used to cleanse the venipuncture site?

Sterile saline
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Povidone-iodine or chlorhexidine gluconate
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70% isopropyl alcohol, applied sparingly
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Hydrogen peroxide
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Question 46 of 100

46. Question

According to OSHA, when is a lab coat considered required Personal Protective Equipment (PPE) for a phlebotomist?

For every venipuncture procedure
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Only when working in a hospital setting
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When there is a reasonably anticipated risk of blood splashing
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It is never required, only recommended
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Question 47 of 100

47. Question

After completing a blood draw, the medical assistant accidentally drops the used needle on the floor. What is the correct action to take?

Pick it up with gloved hands and place it in the sharps container.
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Use forceps or another mechanical device to pick it up and place it in the sharps container.
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Leave it for the cleaning crew to handle.
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Recap the needle before placing it in the sharps container.
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Question 48 of 100

48. Question

The “G-T-A-N-T-G-S” memory anchor helps a CCMA remember the sequence of supplies. What does the “S” stand for?

Syringe
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Safety glasses
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Sharps Container
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Sterile gloves
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Question 49 of 100

49. Question

What is the primary function of the color-coded stoppers on evacuated collection tubes?

To indicate the size of the needle required
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To identify the patient the tube belongs to
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To specify the type of additive within the tube
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To show the expiration date of the tube
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Question 50 of 100

50. Question

Why is it critical to use a needleless transfer device when moving blood from a syringe to an evacuated tube?

To ensure the correct blood-to-additive ratio
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To prevent hemolysis of the blood cells
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To avoid potential needlestick injuries
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To speed up the transfer process
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Question 51 of 100

51. Question

A blood culture is contaminated with skin flora. What is the most likely cause?

The patient was not fasting.
Correct Incorrect Correct answer

The wrong order of draw was used.
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The venipuncture site was not properly prepared.
Correct Incorrect Correct answer

The specimen was not transported to the lab on time.
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Question 52 of 100

52. Question

A medical assistant is collecting a fasting blood glucose specimen. The patient states they had a small cup of black coffee this morning. What should the medical assistant do?

Proceed with the draw as coffee does not affect the results.
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Inform the provider and document the patient's statement.
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Reschedule the appointment for the next day.
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Tell the patient to drink a large glass of water to flush their system.
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Question 53 of 100

53. Question

A medical assistant is preparing to draw blood for a lipid panel. What is the most important instruction to confirm with the patient before the draw?

That they have taken their morning medication
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That they have been fasting for 9-12 hours
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That they have avoided exercise for 24 hours
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That they have consumed a high-protein meal
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Question 54 of 100

54. Question

A patient has a standing order for a weekly fasting blood sugar test. They tell the medical assistant they forgot and ate breakfast this morning. What is the best course of action?

Draw the blood and label it as a non-fasting specimen.
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Refuse to draw the blood and send the patient home.
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Consult with the ordering provider for instructions.
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Draw the blood but tell the lab to disregard the result.
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Question 55 of 100

55. Question

A patient is scheduled for a 3-hour Glucose Tolerance Test (GTT). After the initial fasting blood draw, what is the next step in the procedure?

The patient should eat a light snack.
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The patient drinks a standardized glucose solution.
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A second blood sample is drawn immediately.
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The patient is sent home and returns in 3 hours.
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Question 56 of 100

56. Question

A physician orders a peak and trough level for a patient on an antibiotic. The trough level is drawn just before the next dose. When should the peak level be drawn?

30 minutes before the next dose
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Immediately after the next dose is administered
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At a specific time after the dose is administered, depending on the drug
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24 hours after the dose is administered
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Question 57 of 100

57. Question

What is the clinical term for the presence of bacteria in the blood?

Anemia
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Leukemia
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Septicemia
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Hyperglycemia
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Question 58 of 100

58. Question

What is the primary purpose of collecting blood cultures?

To measure blood glucose levels
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To detect microorganisms in the blood
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To assess kidney function
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To monitor medication levels
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Question 59 of 100

59. Question

When collecting a blood culture using a winged infusion set, which bottle should be filled first?

Anaerobic
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Aerobic
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It does not matter which is first
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The bottle with the blue top
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Question 60 of 100

60. Question

Which of the following tests requires a timed specimen?

Complete Blood Count (CBC)
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Blood Urea Nitrogen (BUN)
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Prothrombin Time (PT)
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Therapeutic Drug Monitoring (TDM)
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Question 61 of 100

61. Question

A medical assistant is preparing a blood specimen for transport to a reference laboratory. The test requires the serum to be separated from the cells. Which of the following actions should the assistant take?

Shake the tube vigorously to mix the sample.
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Place the tube in a -20°C freezer immediately after collection.
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Centrifuge the tube and then pipette the serum into a transport tube.
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Store the whole blood specimen at room temperature for 24 hours.
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Question 62 of 100

62. Question

A medical assistant is preparing several specimens for transport. A urine culture should be stored at what temperature until it is transported?

Frozen
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Ambient/Room Temperature
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Refrigerated
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Body Temperature (37°C)
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Question 63 of 100

63. Question

A medical assistant is sending a specimen to a reference lab. The paperwork should be:

Placed inside the primary container with the specimen.
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Taped to the outside of the transport box.
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Placed in an outer pocket of the secondary biohazard bag.
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Discarded, as all information is electronic.
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Question 64 of 100

64. Question

A medical assistant receives an order for a test that requires a frozen specimen. At which temperature should the specimen be stored?

2-8°C
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20-25°C
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37°C
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-20°C or lower
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Question 65 of 100

65. Question

A patient’s sample is hemolyzed. Which of the following is a likely cause?

The patient did not fast before the blood draw.
Correct Incorrect Correct answer

The tourniquet was left on for less than one minute.
Correct Incorrect Correct answer

The blood was drawn using too small of a needle gauge (e.g., 25G).
Correct Incorrect Correct answer

The specimen was a urine sample instead of blood.
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Correct

Incorrect
Question 66 of 100

66. Question

A physician orders a prothrombin time (PT) test. The medical assistant should collect the specimen in a tube with which color top?

Lavender
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Green
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Light Blue
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Red
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Incorrect
Question 67 of 100

67. Question

A specimen for a bilirubin test must be protected from what environmental factor?

Vibration
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Light
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Humidity
Correct Incorrect Correct answer

Cold temperatures
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Incorrect
Question 68 of 100

68. Question

According to standard guidelines, what is the correct way to package a blood tube for transport?

Place the tube directly into a padded envelope.
Correct Incorrect Correct answer

Wrap the tube in a paper towel and place it in a transport box.
Correct Incorrect Correct answer

Place the tube in a leak-proof biohazard bag with an absorbent pad.
Correct Incorrect Correct answer

Hand-carry the tube to the laboratory without any additional packaging.
Correct Incorrect Correct answer

Correct

Incorrect
Question 69 of 100

69. Question

When reviewing the handling instructions for a specimen, the medical assistant sees the abbreviation “RT”. What does this indicate?

The specimen requires refrigeration.
Correct Incorrect Correct answer

The test must be run today.
Correct Incorrect Correct answer

The specimen should be kept at room temperature.
Correct Incorrect Correct answer

The specimen requires rapid transport.
Correct Incorrect Correct answer

Correct

Incorrect
Question 70 of 100

70. Question

Which of the following is the most critical piece of information to be included on a specimen label to ensure patient safety?

The patient's room number
Correct Incorrect Correct answer

The phlebotomist's initials
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The patient's full name and date of birth
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The name of the ordering physician
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Correct

Incorrect
Question 71 of 100

71. Question

A medical assistant is preparing to centrifuge a blood specimen. Which of the following actions is essential to ensure safety and proper functioning of the centrifuge?

Placing a tube with water opposite the specimen tube to save time.
Correct Incorrect Correct answer

Ensuring the specimen has clotted for at least 10 minutes.
Correct Incorrect Correct answer

Placing tubes of equal weight and size opposite each other.
Correct Incorrect Correct answer

Setting the centrifuge to the highest possible speed for a faster separation.
Correct Incorrect Correct answer

Correct

Incorrect
Question 72 of 100

72. Question

A medical assistant is processing a blood sample in a tube with a light blue top. This tube should be centrifuged:

Immediately after collection.
Correct Incorrect Correct answer

After clotting for 30-60 minutes.
Correct Incorrect Correct answer

Only after being refrigerated for 2 hours.
Correct Incorrect Correct answer

At a higher speed than serum tubes.
Correct Incorrect Correct answer

Correct

Incorrect
Question 73 of 100

73. Question

A medical assistant notices the centrifuge is vibrating loudly and shaking during operation. What is the most likely cause?

The centrifuge is brand new and needs to be broken in.
Correct Incorrect Correct answer

The specimen tubes are not properly balanced.
Correct Incorrect Correct answer

The lid of the centrifuge is not closed tightly.
Correct Incorrect Correct answer

The electrical outlet is providing insufficient power.
Correct Incorrect Correct answer

Correct

Incorrect
Question 74 of 100

74. Question

A patient has orders for a lipid panel and a thyroid panel from a single SST tube. After centrifugation, the medical assistant must perform which of the following steps?

Send the entire SST tube to the chemistry department.
Correct Incorrect Correct answer

Pour half of the serum into a new, unlabeled tube.
Correct Incorrect Correct answer

Use a transfer pipette to move the serum into a properly labeled aliquot tube.
Correct Incorrect Correct answer

Remix the tube to ensure a homogenous sample before testing.
Correct Incorrect Correct answer

Correct

Incorrect
Question 75 of 100

75. Question

A physician’s office uses a centrifuge that does not have a tachometer to show RPMs. The centrifuge is set to a relative centrifugal force (RCF) of 1,500 x g. This setting is based on the:

Volume of the blood in the tubes.
Correct Incorrect Correct answer

Temperature of the room.
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Radius of the centrifuge rotor and the speed of rotation.
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Age of the specimen.
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Correct

Incorrect
Question 76 of 100

76. Question

After preparing an aliquot, the medical assistant discovers they forgot to label the tube. What is the only acceptable action to take?

Ask a coworker if they remember which patient the sample belongs to.
Correct Incorrect Correct answer

Discard the aliquot and the primary specimen and redraw the patient.
Correct Incorrect Correct answer

Label the tube with the information from the patient who was just seen.
Correct Incorrect Correct answer

Run the test and write the result on a sticky note for the physician to review.
Correct Incorrect Correct answer

Correct

Incorrect
Question 77 of 100

77. Question

The memory anchor ‘C-A-L-M’ is designed to help a medical assistant remember the correct order of specimen processing. What does the ‘L’ stand for?

Listen for centrifuge alarms.
Correct Incorrect Correct answer

Look at the specimen for hemolysis.
Correct Incorrect Correct answer

Label the aliquot tube.
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Lock the centrifuge lid.
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Correct

Incorrect
Question 78 of 100

78. Question

What is the primary purpose of aliquoting a specimen?

To mix the specimen with a preservative.
Correct Incorrect Correct answer

To separate a single specimen into multiple tubes for different tests.
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To cool the specimen before transport.
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To concentrate the analytes in the specimen.
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Incorrect
Question 79 of 100

79. Question

When transferring serum from a primary tube to an aliquot tube, the medical assistant should aspirate the serum without disturbing the buffy coat or red cells because:

The cells can clog the automated analyzer.
Correct Incorrect Correct answer

Cellular components can interfere with the chemical reactions of many tests.
Correct Incorrect Correct answer

The cells will dilute the serum and cause falsely low results.
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It is a requirement for billing purposes.
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Incorrect
Question 80 of 100

80. Question

Which of the following is the most critical piece of information to include on the label of an aliquot tube to prevent a medical error?

The time the specimen was centrifuged.
Correct Incorrect Correct answer

The name of the phlebotomist.
Correct Incorrect Correct answer

Two unique patient identifiers.
Correct Incorrect Correct answer

The type of centrifuge used.
Correct Incorrect Correct answer

Correct

Incorrect
Question 81 of 100

81. Question

A CCMA is performing a venipuncture and has successfully inserted the needle into the median cubital vein. What is the correct angle of insertion for this procedure?

5-10 degrees
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15-30 degrees
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45-60 degrees
Correct Incorrect Correct answer

90 degrees
Correct Incorrect Correct answer

Correct

Incorrect
Question 82 of 100

82. Question

A CCMA needs to draw blood for a coagulation test, a complete blood count (CBC), and a serum chemistry panel. Which tube will be drawn last?

Light blue top (sodium citrate)
Correct Incorrect Correct answer

Lavender top (EDTA)
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Red top (serum)
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Gray top (sodium fluoride)
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Correct

Incorrect
Question 83 of 100

83. Question

A medical assistant is preparing to draw blood from a patient. After applying the tourniquet and selecting a vein, what is the next crucial step?

Insert the needle at a 45-degree angle.
Correct Incorrect Correct answer

Cleanse the site with an alcohol wipe and allow it to air dry.
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Immediately insert the needle to prevent the vein from rolling.
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Ask the patient to pump their fist to increase blood flow.
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Incorrect
Question 84 of 100

84. Question

A patient informs the CCMA that they are feeling faint during a blood draw. What is the most appropriate initial response?

Continue the draw as quickly as possible.
Correct Incorrect Correct answer

Immediately withdraw the needle, apply pressure, and have the patient lie down.
Correct Incorrect Correct answer

Offer the patient a glass of water.
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Tell the patient to take deep breaths and that the procedure is almost over.
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Question 85 of 100

85. Question

A patient’s arm is positioned for venipuncture. The tourniquet is applied 3-4 inches above the antecubital fossa. How long can the tourniquet remain in place before it must be released?

30 seconds
Correct Incorrect Correct answer

1 minute
Correct Incorrect Correct answer

2 minutes
Correct Incorrect Correct answer

5 minutes
Correct Incorrect Correct answer

Correct

Incorrect
Question 86 of 100

86. Question

After completing a blood draw, the medical assistant withdraws the needle and applies pressure with gauze. What is the next immediate action the MA should take?

Label the tubes.
Correct Incorrect Correct answer

Activate the needle's safety device.
Correct Incorrect Correct answer

Apply a bandage to the site.
Correct Incorrect Correct answer

Dispose of the used needle holder.
Correct Incorrect Correct answer

Correct

Incorrect
Question 87 of 100

87. Question

The CCMA is labeling the blood specimen tubes after a successful venipuncture. Which of the following pieces of information is NOT required on the tube label?

Patient's full name
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Patient's diagnosis
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Date and time of collection
Correct Incorrect Correct answer

Phlebotomist's initials
Correct Incorrect Correct answer

Correct

Incorrect
Question 88 of 100

88. Question

What is the primary reason for collecting blood tubes in a specific ‘order of draw’?

To ensure the patient is not overdrawn.
Correct Incorrect Correct answer

To prevent cross-contamination of additives between tubes.
Correct Incorrect Correct answer

To make the process faster for the phlebotomist.
Correct Incorrect Correct answer

To match the colors of the tubes with the test requisition form.
Correct Incorrect Correct answer

Correct

Incorrect
Question 89 of 100

89. Question

While performing a venipuncture, the CCMA notices that blood is not flowing into the tube. The needle is in the patient’s arm. What is a possible cause and corrective action?

The tourniquet is too tight; release and reapply.
Correct Incorrect Correct answer

The tube has lost its vacuum; try a new tube.
Correct Incorrect Correct answer

The bevel of the needle is against the vein wall; slightly rotate the needle.
Correct Incorrect Correct answer

All of the above.
Correct Incorrect Correct answer

Correct

Incorrect
Question 90 of 100

90. Question

Why is it important to anchor the vein firmly before needle insertion?

To increase the patient's comfort.
Correct Incorrect Correct answer

To prevent the vein from rolling.
Correct Incorrect Correct answer

To make the vein more visible.
Correct Incorrect Correct answer

To increase blood pressure in the vein.
Correct Incorrect Correct answer

Correct

Incorrect
Question 91 of 100

91. Question

A medical assistant is preparing to draw blood from a patient who has an IV line in their left arm. Which of the following sites should the assistant choose?

The left hand
Correct Incorrect Correct answer

The right antecubital fossa
Correct Incorrect Correct answer

The area just above the IV site on the left arm
Correct Incorrect Correct answer

The left foot
Correct Incorrect Correct answer

Correct

Incorrect
Question 92 of 100

92. Question

A medical assistant is selecting a site for venipuncture and notes that the patient’s arm is swollen. This condition is known as:

Sclerosis
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Thrombosis
Correct Incorrect Correct answer

Edema
Correct Incorrect Correct answer

Hematoma
Correct Incorrect Correct answer

Correct

Incorrect
Question 93 of 100

93. Question

A patient has had a mastectomy on their right side. Which of the following is the appropriate site for a venipuncture?

The right antecubital fossa
Correct Incorrect Correct answer

The left antecubital fossa
Correct Incorrect Correct answer

The right hand
Correct Incorrect Correct answer

The right foot
Correct Incorrect Correct answer

Correct

Incorrect
Question 94 of 100

94. Question

During palpation, a medical assistant feels a vein that is hard and cord-like. This indicates that the vein is likely:

Thrombosed
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Sclerosed
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Edematous
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Well-anchored
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Incorrect
Question 95 of 100

95. Question

The mnemonic “My Cat Bites” is a study aid for remembering what?

The layers of the skin
Correct Incorrect Correct answer

The order of draw for evacuated tubes
Correct Incorrect Correct answer

The preferred order of vein selection
Correct Incorrect Correct answer

The bones of the hand
Correct Incorrect Correct answer

Correct

Incorrect
Question 96 of 100

96. Question

What is the primary reason for palpating a vein before performing a venipuncture?

To clean the site
Correct Incorrect Correct answer

To assess its depth, diameter, and direction
Correct Incorrect Correct answer

To cause the vein to dilate
Correct Incorrect Correct answer

To check for a pulse
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Incorrect
Question 97 of 100

97. Question

Which of the following is a contraindication for venipuncture at a specific site?

A visible vein
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Good skin turgor
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The presence of a fistula
Correct Incorrect Correct answer

A palpable vein
Correct Incorrect Correct answer

Correct

Incorrect
Question 98 of 100

98. Question

Which of the following is the preferred vein for venipuncture due to its size and being well-anchored?

Cephalic vein
Correct Incorrect Correct answer

Basilic vein
Correct Incorrect Correct answer

Median cubital vein
Correct Incorrect Correct answer

Dorsal metacarpal veins
Correct Incorrect Correct answer

Correct

Incorrect
Question 99 of 100

99. Question

Which vein is often a good choice for venipuncture in obese patients?

Median cubital vein
Correct Incorrect Correct answer

Basilic vein
Correct Incorrect Correct answer

Cephalic vein
Correct Incorrect Correct answer

Antecubital vein
Correct Incorrect Correct answer

Correct

Incorrect
Question 100 of 100

100. Question

Why is the basilic vein considered the third choice for venipuncture?

It is the smallest vein in the antecubital fossa.
Correct Incorrect Correct answer

It is difficult to palpate.
Correct Incorrect Correct answer

It is located on the thumb side of the arm.
Correct Incorrect Correct answer

It is close to the brachial artery and median nerve.
Correct Incorrect Correct answer

Correct

Incorrect

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