Phlebotomy Test Phlebotomy Anatomy and Physiology

Question 1

Which vein is most commonly used for venipuncture in the antecubital fossa?

Accepted Answer

Median cubital vein

Answer

Cephalic vein

Answer

Basilic vein

Answer

Radial vein

Question 2

What is the liquid portion of blood that remains after clotting has occurred?

Accepted Answer

Serum

Answer

Plasma

Answer

Buffy coat

Answer

Fibrinogen

Question 3

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

Accepted Answer

Arteries

Answer

Veins

Answer

Capillaries

Answer

Venules

Question 4

What is the approximate percentage of the adult body's blood volume made up by red blood cells?

Accepted Answer

40–45%

Answer

20–25%

Answer

30–35%

Answer

55–60%

Question 5

Which cellular component of blood is primarily responsible for oxygen transport?

Accepted Answer

Erythrocytes

Answer

Platelets

Answer

Leukocytes

Answer

Monocytes

Question 6

The antecubital fossa is located at which anatomical position?

Accepted Answer

Inner aspect of the elbow

Answer

Back of the knee

Answer

Front of the wrist

Answer

Inner aspect of the ankle