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The activator of intestinal juice is
A. Succus entericus
B. Secretin
C. Enterocrinin
D. Enterozymase

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Last updated date: 27th Mar 2024
Total views: 387.9k
Views today: 5.87k
MVSAT 2024
Answer
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Hint: The other name of intestinal juice is succus entericus. As the name suggests enterocrinin activates the succus enteritis. It is secreted by the epithelium of the small intestine.

Complete answer:
In this question, we have asked which enzyme activates the intestinal juice. Intestinal juice is secreted in the small intestine. It contains various enzymes like lipase, lactase, enterokinase, amylase, and also secrete mucus. These enzymes and mucus together are called succus entericus.

> So, our first option is succus entericus. As we already mentioned, succus entericus is another name for intestinal juice. So, this option is wrong.

> Next option is secretin. Secretin is released by the intestine and the brain. The functions of this hormone is regulation of gastric acid, regulation of pancreatic bicarbonate, and osmoregulation. As we can see it doesn't activate the intestinal juice. So, this option is also wrong.

> Option C is enterocrinin. Entericrinin is secreted by the small intestine. Enterocrinin promotes the production of large amounts of alkaline mucus by the small intestine. This alkaline mucus neutralizes the acidic chyme and makes the chyme little alkaline. The enzymes released by the small intestine are activated in alkaline pH. So, we can say this hormone activates the enzymes of intestinal juice.

> Our next option is entero zymase. As the word suggests, it may be some intestinal enzyme.

Hence, The correct answer is option (C).

Note: Enterocrinin also stimulates penath cells of the small intestine, so that the small intestine produces more intestinal juice. So, we can say enterocrinin stimulates the small intestine and activates the enzymes of intestinal juice.