A genetic mutation prevents the parietal cells of the gastric glands from secreting their typical products. What effect would this have on digestion within the stomach?
A. Hydrochloric acid would not be produced, so pepsinogen would not be activated to form pepsin.
B. Somatostatin would be secreted, so all digestion would be halted.
C. Pepsinogen would not be secreted, so protein digestion would not occur within the stomach.
D. The stomach would not produce a protective mucus coating and would digest itself.
Answer: C
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