AMCA Phlebotomy and Blood Collection 3

Question 1

A patient becomes pale, diaphoretic, and lightheaded during venipuncture. This is MOST likely caused by:

Accepted Answer

Vasovagal syncope

Answer

Hypertensive crisis

Answer

Hyperglycemia

Answer

Polycythemia vera

Question 2

If a vein is difficult to locate for venipuncture, which technique can help dilate superficial veins?

Accepted Answer

Applying a warm compress to the site

Answer

Applying a cold compress to the arm

Answer

Having the patient flex and extend their wrist rapidly

Answer

Elevating the arm above heart level

Question 3

Which of the following is the CORRECT way to mix blood in a collection tube after filling?

Accepted Answer

Gently invert the tube 8–10 times

Answer

Shake the tube vigorously side to side

Answer

Spin the tube immediately at high speed

Answer

Set the tube upright and do not mix

Question 4

Which organization publishes the H3-A6 guideline that establishes standards for venipuncture procedures?

Accepted Answer

Clinical and Laboratory Standards Institute (CLSI)

Answer

Centers for Disease Control and Prevention (CDC)

Answer

Food and Drug Administration (FDA)

Answer

World Health Organization (WHO)

Question 5

Which of the following is NOT an acceptable patient identification step before blood collection?

Accepted Answer

Checking the patient's insurance card for identity

Answer

Asking the patient to state their full name

Answer

Verifying the patient's date of birth

Answer

Comparing the patient's armband to the requisition form

Question 6

A phlebotomist sustains an accidental needlestick with a used needle. What is the FIRST immediate action?

Accepted Answer

Wash the wound thoroughly with soap and water

Answer

Report the incident to the supervisor immediately

Answer

Apply a tourniquet above the puncture site

Answer

Draw the patient's blood for immediate pathogen testing

Question 7

What is the PRIMARY purpose of an anticoagulant additive in a blood collection tube?

Accepted Answer

To prevent the blood from clotting so plasma can be tested

Answer

To prevent sample hemolysis

Answer

To preserve red blood cell morphology only

Answer

To inhibit bacterial growth in the sample