Which of the following statement(s) regarding gastric mucosal defense is/are correct?
A. Gastric mucus, produced by the surface epithelial cells, forms an unstirred layer over the gastric surface
B. Gastric parietal cells produce a bicarbonate-rich fluid
C. Production of gastric bicarbonate is stimulated by prostaglandins and inhibited by non-steroidal antiinflammatory drugs (NSAIDs)
D. Gastric mucus provides substantial buffering capacity that maintains near-neutrality near the epithelial surface
Answer:A
Which of the following statement(s) regarding gastric mucosal defense is/are correct?
A. Gastric mucus, produced by the surface epithelial cells, forms an unstirred layer over the gastric surface B. Gastric parietal cells produce a bicarbonate-rich fluid C. Production of gastric bicarbonate is stimulated by prostaglandins and inhibited by non-steroidal antiinflammatory drugs (NSAIDs) D. Gastric mucus provides substantial buffering capacity that maintains near-neutrality near the epithelial surface