1) Which cells provide a layer of protection between gastric acid and the mucosa of the stomach?
a)Chief cells b) parietal cells c)goblet cells d)islet cells
2) which phase of gastric secretion included the beginning of chemical (i.e enzyme) secretion?
a) cephalic b)gastric c)intestinal d) None of the above
3) The presence of food in the duodenum eventually ______ gastric activity.
a)increase b)decrease c)no effect d)is unknown
Ans:-
1) c) goblet cell
It secret mucus which protect stomach from acid
Islet cell is a group of cell in PANCREASE.
Chief cell secret pepsinogen
Parietal cell --; acid secret
2) a) cephalic phase
3) b) decreses gastric activity
Good in PANCREASE stimulate release of CCK and SECRETIN which decrese acid secretion in stomach.
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