VPY-0027
QUESTION
HCl is produced by?
OPTIONS
(A) Peptic cells
(B) Parietal cells
(C) Zymogen cells
(D) Chief cells
ANSWER
(B) Parietal cells
EXPLANATION
Parietal cells are the correct option because gastric parietal cells secrete hydrochloric acid, which creates the acidic gastric environment required for pepsin activation and protein digestion. Peptic/chief cells secrete pepsinogen, whereas “zymogen cells” is not the standard term for the HCl-secreting gastric cell.
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