Question

Which of the following is NOT true concerning portal circulation?
a. it collects all the blood from abdominal organs and empties it directly into the inferior vena cava
b. it enters the hepatic lobule at the portal triad and blood flows toward the central vein
c. it contains blood drained from the stomach and intestine
d. it transports absorbed nutrients to the liver

Answer 1

Answer: A) it collects all the blood from abdominal organs and empties it directly into the inferior vena cava

Explanation:

 As, the portal circulation collects blood from the abdominal organ and transferred it hepatic vein before the inferior vena cava. The portal circulation is defined as blood are drains into superior or inferior veins and the circulation of the blood in the liver to the small intestine through the portal vein. It is also known as hepatic portal circulation.