NPA Anatomy & Physiology of the Circulatory System

Question 1

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

Accepted Answer

Median cubital vein

Answer

Basilic vein

Answer

Cephalic vein

Answer

Median antebrachial vein

Question 2

Which chamber of the heart pumps deoxygenated blood to the lungs via the pulmonary artery?

Accepted Answer

Right ventricle

Answer

Left ventricle

Answer

Left atrium

Answer

Right atrium

Question 3

What is the primary function of valves found in veins?

Accepted Answer

Prevent backflow of blood

Answer

Regulate blood pressure

Answer

Increase blood flow velocity

Answer

Filter cellular waste products

Question 4

Which layer of a blood vessel wall contains smooth muscle cells and is responsible for vasoconstriction and vasodilation?

Accepted Answer

Tunica media

Answer

Tunica intima

Answer

Tunica externa

Answer

Endothelium

Question 5

What is the antecubital fossa?

Accepted Answer

The triangular area on the inner aspect of the elbow

Answer

The inner wrist area near the radial artery

Answer

The space between the cephalic and basilic veins on the forearm

Answer

The area on the dorsal side of the hand

Question 6

Which type of blood vessel is responsible for the exchange of oxygen, nutrients, and waste products between blood and tissues?

Accepted Answer

Capillaries

Answer

Arteries

Answer

Veins

Answer

Venules

Question 7

The largest artery in the human body is the:

Accepted Answer

Aorta

Answer

Femoral artery

Answer

Pulmonary artery

Answer

Carotid artery