NCCT National Certified Phlebotomy Technician MCQ 2

Question 1

Which of the following is the correct order of draw when using the evacuated tube system?

Accepted Answer

Blood cultures, light blue, red/SST, green, lavender, gray

Answer

Lavender, green, red/SST, light blue, blood cultures, gray

Answer

Red/SST, blood cultures, light blue, green, lavender, gray

Answer

Light blue, blood cultures, red/SST, lavender, green, gray

Question 2

A patient's PT (prothrombin time) result is prolonged. Which pathway of the coagulation cascade is primarily being evaluated?

Accepted Answer

Extrinsic pathway

Answer

Intrinsic pathway

Answer

Common pathway only

Answer

Fibrinolytic pathway

Question 3

Which test requires blood to be collected in a sodium fluoride/potassium oxalate (gray-top) tube?

Accepted Answer

Blood glucose

Answer

Complete blood count

Answer

Prothrombin time

Answer

Blood culture

Question 4

An Allen test is performed before collecting blood from which site?

Accepted Answer

Radial artery

Answer

Antecubital fossa veins

Answer

Dorsal hand veins

Answer

Femoral vein

Question 5

Which of the following conditions would be a contraindication for blood collection from a specific arm?

Accepted Answer

An IV is running in that arm

Answer

The patient had breakfast 2 hours ago

Answer

The patient exercised that morning

Answer

The patient is right-handed

Question 6

What is the most critical step in preventing preanalytical errors in phlebotomy?

Accepted Answer

Correct patient identification using two identifiers

Answer

Using the most expensive equipment available

Answer

Drawing the maximum amount of blood possible

Answer

Completing the blood draw as quickly as possible