Question

Oxygenated blood is carried by:

• A. Pulmonary artery
• B. Pulmonary vein
• C. Hepatic portal vein
• D. Renal vein

Answer 1

The correct option is B

Pulmonary vein

The correct option is B.

Explanation of the correct answer:

1. The pulmonary vein is the largest vein.
2. It plays an essential role by receiving blood that has been oxygenated in the alveoli and returning it to the left atrium.
3. This vein transfer oxygenated blood from the lungs to the heart.

Explanation of the incorrect options:

Option A:

The pulmonary artery carries deoxygenated blood to the lungs from the right ventricle.

Option C:

The hepatic portal vein carries blood from the spleen, intestines, pancreas, and gallbladder to the liver.

Option D:

The renal vein transports filtered blood i.e., oxygenated blood from the kidneys to the heart.

Final answer: Oxygenated blood is carried by the pulmonary vein.