Which of the following is the most potent inhibitor (directly or indirectly) of gastric motility and emptying?

A. Gastrin
B. Carbohydrate in the stomach
C. Fat in the duodenum
D. Distension of the stomach
E. Acid in the stomach


Answer: C

Anatomy & Physiology

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Indicate whether this statement is true or false.

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In the intestine, the epithelial cells have

A) tight junctions. B) electrical gap junctions. C) leaky junctions.

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The effects of lidocaine and tetrodotoxin were _______

A) identical B) similar, but tetrodotoxin had a greater effect C) very different, because lidocaine had no effect D) similar, but lidocaine had a greater effect

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Anaerobic metabolism is the primary source of ATP production in ________.

A. skeletal muscle cells B. neurons C. red blood cells D. white blood cells

Anatomy & Physiology