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Physiology

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GIT

Question
7 out of 11
 

Which inhibits gastric secretion?



A Secretin
B High gastric Ph

C Insulin
D Calcium

Ans. A Secretin

1. Factors that stimulate gastric secretion (Acid)

a. Gastrin Q

b. Histamine Q

c. Acetyl choline Q

d. Gastrin releasing peptide Q

e. CCK Q

  1. Factors that inhibit gastric secretion (Acid) -

a. Somatostatin Q

b. Secretin Q

c. Enteroglucagon Q

d. Prostaglandins Q

e. Neurotensin Q

f. GIP Q

g. PYY Q.

2. Low pH directly inhibits HCI and gastrin secretion (NMS physiology 91)

  1. Principal action of gastrin — stimulation of gastric acid and pepsin secretion gastrin secretion is increased by the following factors and there by HCI secretion: -

a. Luminal peptides and amino acids, Distension

b. Neuralincreased vagal stimulation via GRP

c. Blood bornecalcium and Epinephrine

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