Which of the following is most likely to cause portal vein hypertension?

Question

Quizplus · Accepted Answer

Portal vein hypertension is most commonly caused by cirrhosis of the liver, which leads to increased resistance to blood flow through the liver and increased pressure in the portal vein. Carotid artery occlusion and ruptured aortic aneurysm would not directly affect the portal vein, and defective valves in the deep veins of the legs would cause peripheral venous hypertension, not portal vein hypertension.

Which of the Following Is Most Likely to Cause Portal