Small Intestine

Question 1

where most of’ the digestion takes place?

Answer 1

in the duduodenum

Question 2

What are major sites for nutrient absorption?

Answer 2

Jejunum, ILeum

Question 3

What mechanism aids in receiving chyme from the stomach?

Answer 3

peristaltic contractions.

Question 4

Which sphincter in the stomach regulates passing of chy me in to small intestine?

Answer 4

pyloric sphincter.

Question 5

from which glands’ secretions sec rete into the duodenum?

Answer 5

1. Glands in the intestine
2. Pancreas
3. Liver

Question 6

what are the digestive enzymes secreted by the epithelium of the small intestine.?

Answer 6

CARBOHYDRATE DIGESTION
1 . Disaccharidases
PROTEIN DIGESTION
1. Dipeptidases.
2. Amino peptidases
3. Carboxy peptidases.

NUCLEIC ACID DIGESTION
1. Nucleotideases
2, Nucleosideses
3. Phosphatases

Question 7

How are enzymes are present in the small intestine?

Answer 7

1. secreted into the lumen
2. Bound to the surface of epithelium

Question 8

state an organ which secretes 2 hormones?

Answer 8

Duodenum

Question 9

what are the 2 hormones secreted by the duod enum?

Answer 9

1. Cholecystokinin
2. Secretin

Question 10

What is the function of (holecytokinen and secretin?

Answer 10

stimulates release of pancreatic juice and bile