Question

A blood vessel that begins and ends in capillaries is_______________.

• A. Hepatic veins
• B. Hepatic artery
• C. Hepatic portal vein

Answer 1

The correct option is C

Hepatic portal vein

The correct option is C.

Explanation of the correct option:

1. .A vein that starts with capillaries and ends in capillaries is called portal vein.
2. All the portal veins which carry their contents into liver collectively constitute the hepatic portal system.
3. Veins collecting blood from the different parts of the alimentary canal like stomach, small intestine, large intestine do not join inferior vena cava. Instead all of them join together forming a single large vein called hepatic portal vein.
4. The hepatic portal vein enters the liver and breaks into capillaries.

Explanation of the incorrect option:

Option A:

The hepatic veins are the veins that drain deoxygenated blood from the liver into the inferior vena cava.

Option B:

The hepatic artery carries oxygenated blood from the aorta to the liver.

Final answer: A blood vessel that begins and ends in capillaries is hepatic portal vein.