Which cells of the gastric glands secrete hydrochloric acid?
a. Chief
b. Parietal
c. Zymogenic
d. Surface epithelial
ANS: B
The parietal cells secrete hydrochloric acid. The chief cells secrete pepsinogen. Zymogenic cells do not secrete acid. Epithelial cells line the GI tract and do not secrete acid.
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