AMCA Phlebotomy and Blood Collection

Question 1

What is the preferred venipuncture site for routine blood collection in adults?

Accepted Answer

Median cubital vein

Answer

The median cubital vein in the antecubital fossa is preferred due to its size, stability, and accessibility.

Question 2

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

Accepted Answer

21 gauge

Answer

A 21-gauge needle is standard for routine venipuncture, balancing adequate blood flow with patient comfort.

Question 3

In the correct Order of Draw, which tube is collected FIRST during a multi-tube draw?

Accepted Answer

Blood culture bottles

Answer

Blood culture bottles are drawn first to prevent contamination from anticoagulant additives in other tubes.

Question 4

When performing a capillary puncture on an adult finger, which area is the preferred puncture site?

Accepted Answer

The lateral or medial aspect of the fingertip

Answer

The lateral or medial aspect of the fingertip is preferred to avoid the sensitive fingertip pad and the underlying bone.

Question 5

Which of the following tube types contains NO additive and allows blood to clot for serum testing?

Accepted Answer

Red top (no additive)

Answer

The red-top tube contains no additive, allowing blood to clot naturally so serum can be collected after centrifugation.

(AMCA) American Medical Certification Association Practice Test