MCAT Question A Day - 7/20/14 - Answer!

A stomach ulcer may increase the acidity of the stomach. The stomach cells most affected by a stomach ulcer are:

A. goblet cells.

B. parietal cells.

C. chief cells.

D. G cells.

B is correct. Parietal cells secrete HCl. Goblet cells secrete mucus. Chief cells secrete pepsin. G cells secrete gastrin into the blood.

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