Question

Liver cells secrete
A. Amylopsin
B. Trypsin
C. Lipase
D. Bile and no enzyme

Answer 1

The liver, a spongy mass of wedge-shaped lobes that has multiple metabolic and secretory functions, is the biggest gland in the body.

Complete Answer:
- Bile, a digestive fluid, is secreted by the liver; proteins, carbohydrates and fats are metabolised; glycogen, vitamins and other substances are stored; blood-clotting factors are synthesised; waste and harmful matter are extracted from the blood; blood volume is regulated; old red blood cells are killed.
- Liver tissue consists of a mass of cells tunnelled together with bile ducts and blood vessels. Around 60 percent of the tissue is made up of hepatic cells and performs more metabolic functions than any other community of cells in the body.
- A second category of cells , called Kupffer cells, line the smallest vascular system channels of the liver and play a role in the formation of blood, the production of antibodies and the absorption of foreign particles and cell debris.
- The liver secretes about 800 to 1,000 ml (about 1 quart) of bile every day, which contains the bile salts required for dietary fat digestion. Bile is also the excretion medium for many components of metabolic waste, medicines, and radioactive substances.
- A duct system brings bile from the liver to the common bile duct, which empties into the small intestinal duodenum and attaches to the gallbladder, where it is concentrated and processed.
- The presence of fat in the duodenum induces the flow of bile into the small intestine and out of the gallbladder. In the liver, spleen, and bone marrow, senescent (worn-out) red blood cells are killed.

The correct Answer is option (D) Bile and no enzyme.

Note: A common symptom of impaired liver function is jaundice, a yellowness of the eyes and skin resulting from excessive bilirubin in the blood. Jaundice can result from abnormally high levels of destruction of red blood cells (haemolytic jaundice), insufficient hepatic cell uptake or transport of bilirubin (hepatocellular jaundice), or from blockage of the bile duct system (obstructive jaundice).