MEDICAL
RECTUM AND ANUS
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Which of the following hormones is involved in the regulation of digestion?
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Gastrin
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Lipase
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Oxytocin
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Calcitonin
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Explanation:
Detailed explanation-1: -Gastrin-releasing peptide (GRP), a 14 amino acid peptide, is not a circulating hormone and is released from nerves to stimulate gastric G cells to secrete gastrin.
Detailed explanation-2: -It helps in controlling the increasing pH of the stomach. It signals the stomach glands to produce HCl, pepsinogen, mucus and digesting enzymes. It increases the motion of the stomach.
Detailed explanation-3: -Gastrin is the major hormonal regulator of the gastric phase of acid secretion. Gastrin primarily does this by stimulatingenterochromaffin-like (ECL) cells to synthesize and release histamine. However, gastrin also exerts direct actions on the parietal cell to stimulate acid release.
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