MEDICAL PHYSIOLOGY

PHYSIOLOGY

GASTROINTESTINAL PHYSIOLOGY

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Regulates intestinal motility in periods of fasting between meals:
A
motilin
B
gastrin
C
cholecystokinin
D
Gastric inhibitory polypeptide
Explanation: 

Detailed explanation-1: -Why is motilin secreted during fasting? The migrating motor complex or MMC is timed to help your body move food through your digestive tract. Motilin is part of the MMC. As you eat, stomach enzymes are secreted to start the process of breaking down food.

Detailed explanation-2: -The main function of motilin is to increase the migrating myoelectric complex component of gastrointestinal motility and stimulate the production of pepsin. Motilin is also called “housekeeper of the gut” because it improves peristalsis in the small intestine and clears out the gut to prepare for the next meal.

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