CCMA Phlebotomy Procedures 2

Question 1

A tourniquet should be released within how many minutes of application to prevent hemoconcentration?

Accepted Answer

1 minute

Answer

30 seconds

Answer

2 minutes

Answer

5 minutes

Question 2

Which gauge needle is most commonly used for routine adult venipuncture?

Accepted Answer

21–22 gauge

Answer

16 gauge

Answer

18 gauge

Answer

27 gauge

Question 3

Which of the following patients should have the antecubital vein avoided for venipuncture?

Accepted Answer

A patient with a dialysis fistula in the left arm

Answer

A 45-year-old healthy male patient

Answer

A patient who has been fasting for 12 hours

Answer

A patient with well-hydrated, easily visible veins

Question 4

The gray-top (fluoride/oxalate) tube is specifically required for which laboratory test?

Accepted Answer

Whole blood glucose testing

Answer

Coagulation studies (PT/INR, PTT)

Answer

Complete blood count (CBC)

Answer

Thyroid function tests (TSH, T4)

Question 5

When drawing multiple tubes during a single venipuncture, which tube must be drawn BEFORE the SST (gold) tube?

Accepted Answer

Sodium citrate (light blue) tube

Answer

EDTA (lavender) tube

Answer

Sodium fluoride (gray) tube

Answer

Heparin (green) tube

Question 6

A patient states they are scared of needles and may faint. What precaution should the medical assistant take?

Accepted Answer

Have the patient lie down or recline in a phlebotomy chair with safety restraints available

Answer

Reassure the patient and proceed quickly without additional precautions

Answer

Have the patient sit in a standard chair and perform the draw as quickly as possible

Answer

Refuse to perform the draw until the patient's fear is completely resolved