Portal vein

Inferior mesenteric vein opens into

• Portal vein

• Superior mesenteric vein

• Splenic vein

• Inferior vena cava

At which level portal vein is formed

• L1

• L2

• S1

• S2

What are the 2 veins forming portal vein?

• Superior mesenteric vein and hemiazygos vein

• Inferior mesenteric vein and hemiazygos vein

• Superior mesenteric vein and splenic vein

• Inferior mesenteric vein and splenic vein

A middle aged man habituated to alcohol consumption was rushed to hospital because he has severe bout of blood vomiting (Hematemesis). Physical examination has shown that caput medusae and splenomegaly. The history of choronic alcoholism, symptoms and signs are indicative of obstruction to blood flow in major blood vessel in abdominal cavity. In this case, which blood vessel is involved?

• Portal vein

• Splenic vein

• Superior mesenteric vein

• Renal vein

Portal vein runs behind the neck of pancreas and second part of duodenum within free margin of lesser omentum

• TRUE

• FALSE