A 54-year-old man with a long history of alcohol abuse presents to the emergency department with rapidly increasing abdominal distention most likely resulting from an alteration in portal systemic blood flow. Which of the following characteristics is associated with the portal vein or the portal venous system?
(A) Lower blood pressure than in the IVC
(B) Least risk of venous varices because of portal hypertension
(C) Distention of the portal vein resulting from its numerous valves
(D) Caput medusae and hemorrhoids caused by portal hypertension
(E) Less blood flow than in the hepatic artery
Ans: (D) Caput medusae and hemorrhoids caused by portal hypertension
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