Question

The hepatic portal vein drains blood to the liver from?

• A. Heart
• B. Stomach
• C. Kidneys
• D. Intestine

Answer 1

The correct option is D

Intestine

The correct option is D.

Explanation of the correct option:

1. Hepatic portal vein carries the blood from the intestine which contains the nutrients absorbed from the digestive tract and it is transferred to the liver.
2. In the liver the substances are checked, the harmful ones are filtered out and the extra things are stored.
3. The hepatic portal vein carries blood from the intestine to the liver before it is delivered to the systemic circulation.
4. It carries the nutrient-rich blood to the liver which is further processed there and returned back to the heart via inferior vena cava.

Explanation of the incorrect options:

Option A:

1. Coronary veins are responsible for draining deoxygenated blood from the myocardium into the cardiac chambers of the heart.
2. The major blood vessels that are connected to the heart are the aorta, the superior vena cava, and the inferior vena cava.
3. The pulmonary artery (carry oxygen-poor blood from the heart to the lungs where it is oxygenated), the pulmonary veins (brings oxygen-rich blood from the lungs to the heart), and the coronary arteries (which supply blood to the heart muscle).

Option B:

1. The right gastric vein (pyloric vein) drains blood from the lesser curvature of the stomach into the hepatic portal vein.
2. It is part of the portal circulation.

Option C:

1. There are two renal veins, a left and a right. They branch off the inferior vena cava and drain oxygen-depleted blood from the kidneys.
2. The blood from the kidney is transferred to the inferior vena cava and then to the heart.
3. As they enter the kidneys, each vein separates into two parts.
4. The posterior veins assist in draining the back section of each kidney, while the anterior veins assist the front part.
5. These veins also are responsible for draining blood from the ureter, which transports urine away from the kidneys to the urinary bladder.

Final answer: The hepatic portal vein transports blood from the intestines to the liver.