Question

Which one of the following blood vessels carries only deoxygenated blood ?

• A. Pulmonary vein
• B. Pulmonary artery
• C. Aorta
• D. Capillaries

Answer 1

The correct option is B

Pulmonary artery

The correct answer is (B):

1. Deoxygenated blood is the blood that is basically oxygen-deficient compared to the blood of the lungs.
2. Arteries carry oxygenated blood except for the pulmonary artery.

Option (A):

The pulmonary vein carries oxygenated blood from the lungs back to the heart.

Option (C):

The aorta transports oxygenated blood from the heart (left ventricle) to the rest of the body.

Option (D):

Capillaries are the smallest vessels that establish Connections between arteries and veins.