Which protective mechanism by the stomach protects it from stomach acids and the formation of gastric ulcers?
a. Buffers such as bicarbonate neutralize stomach acids.
b. The stomach secretes a thick gel-like mucus to coat itself.
c. Acid secretion is decreased when food is not present in the stomach.
d. Stomach secretions such as lipase digest foods and protect the stomach.
B
The stomach secretes a thick gel-like mucus that coats and protects it from contact with stomach acids. Acid production is usually balanced by mucous secretion. When acid production exceeds mucous production, the risk for tissue damage and ulcer formation increases.
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