Certified Phlebotomy Technician Exam Anatomy and Physiology 1

Question 1

Which vein is most commonly used as the first choice for venipuncture in the antecubital area?

Accepted Answer

Median cubital vein

Answer

The median cubital vein is the preferred first choice because it is large, well-anchored, and least likely to roll or bruise during venipuncture.

Question 2

What is the correct order of blood vessel wall layers from outermost to innermost?

Accepted Answer

Tunica adventitia, tunica media, tunica intima

Answer

Blood vessel walls consist of three concentric layers: the outermost tunica adventitia (connective tissue), the middle tunica media (smooth muscle), and the innermost tunica intima (endothelium).

Question 3

Which type of blood vessel carries oxygenated blood away from the heart to body tissues?

Accepted Answer

Arteries

Answer

Arteries carry oxygenated blood away from the heart to peripheral tissues, with the notable exception of the pulmonary arteries which carry deoxygenated blood to the lungs.

Question 4

The antecubital fossa, the primary venipuncture site, is located at which anatomical region?

Accepted Answer

Inner elbow

Answer

The antecubital fossa is the shallow triangular depression located on the anterior (front) surface of the elbow, where the major veins used for routine venipuncture are found.

Question 5

Which of the following is NOT a component of blood?

Accepted Answer

Neurons

Answer

Neurons are specialized nerve cells belonging to the nervous system and are not found in blood; the four main blood components are plasma, red blood cells, white blood cells, and platelets.

Certified Phlebotomy Technician Exam Practice Test

Certified Phlebotomy Technician Exam Practice Test

Certified Phlebotomy Technician Exam Anatomy and Physiology 1