Liver

Question 1

What is the protective function of liver ?

Answer 1

Detoxification of toxins and elimination of defunct erythrocytes

Question 2

Which cell is responsible to form bile as an exocrine secretion in the liver ?

Answer 2

Hepatocyte

Question 3

What forms the parenchyma of liver ?

Answer 3

hepatocytes

Question 4

Which structure in the liver contains very thin peritoneum( Glisson’s capsule) ?

Answer 4

Stroma

Question 5

Which structure in the liver contains thick Glisson’s capsule ?

Answer 5

Porta hepatis

Question 6

What is the main vascular supply of liver ?

a) central vein
b) hepatic artery
c) portal vein
d) hepatic veins

Answer 6

c) portal vein

Explanation:
- portal vein constitutes 75% of the blood supply to the liver
while 25% is supplied by the hepatic artery

Question 7

State the structures housed by the portal triads .

Answer 7

1. Branches of the hepatic artery
2. Large portal vein
3. Interlobular bile duct
4. Lymphatic vessels

Question 8

Which of the following is the function of Ito cells ?

a) Storage of Vitamin A
b) Synthesis of collagen IV
c) Inhibits regeneration of hepatocytes

Answer 8

a) Storage of Vitamin A

Explanation:
The functions are :

1) Storage of Vitamin A.
2) Synthesis of collagen III and matrix
3) Stimulate regeneration of hepatocytes.
4) Replacement of dead hepatocytes by fibrous tissue (liver fibrosis)