ABDOMINAL
GASTROINTESTINAL
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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It stimulates intestinal secretion of electrolytes and water
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Stimulate gastric acid and pepsin secretion
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Relaxation of intestinal smooth muscle including sphincters.
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It inhibit intestinal secretion of electrolytes and water.
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Detailed explanation-1: -Abstract. The action of smooth muscle in the intestinal wall produces tonic contractions that maintain organ dimension against an imposed load such as a bolus of food, as well as forceful contractions that produce muscle shortening to propel the bolus along the gastrointestinal tract.
Detailed explanation-2: -Which of the following substances is released from neurons in the GI tract and produces smooth muscle relaxation? The answer is D [II C 1]. Vasoactive intestinal peptide (VIP) is a gastrointestinal (GI) neurocrine that causes relaxation of GI smooth muscle.
Detailed explanation-3: -The esophagus wall is composed of striated muscle in the upper part, smooth muscle in the lower part, and a mixture of the two in the middle.