11) Bile salts are formed from cholesterol in the liver and they considered as emulsifying agents.

12) Colipase function is holding the lipase enzyme on the surface of the lipid droplet.

13) Micelles consist of the following except :

14) Monoglycerides are resynthesized into triglycerides in rough endoplasmic reticulum.

15) The chylomicrons cannot enter the blood capillaries.

16) Chylomicrons contain all the following except:

1) Vitamin B12 to be absorbed it must bind to protein known as intrinsic factor.

2) The absorption of vitamin B12 occurs in ------ portion of the small intestine.

3) The treatment of pernicious anemia requires oral vitamin B12.

4) ------ absorbs 80% of water.

5) The most abundant solute in chyme is Na.

6) Most of the iron in the diet is in the form of ferrous while the ferric form is absorbed.

7) Some of Fe+2 is stored in ------ while the remainder is transported out of the enterocytes by ------

8)The gastrointestinal tract has its own local nervous system a division of the somatic
nervous system known as the enteric nervous system.

9) In gastrointestinal tract ----- influences the smooth muscle activity while ----- influence the secretory activity.

10) The CNS can't influence the motility and secretory activity of the gastrointestinal tract.

11) The presence of fatty acids and amino acids in the small intestine triggers the secretion of ----- into the blood.

12) Secretin weakly stimulates pancreatic HCO3 secretion.

13) The hormones that control the gastrointestinal system are secreted mainly by endocrine cells

14) ------ triggers the secretion of secretin hormone.