NEET Biology question

BiologyDigestion and AbsorptionNEET

Not in NEET syllabus

Statement 1: HCl present in the gastric juice maintains a strongly acidic pH (1.5-2.5) in the stomach but does not digest the walls of the stomach and duodenum. Statement 2: Protection to the intestinal wall and stomach from the enzymatic/acidic action is provided by the mucus secreted by goblet cells, bicarbonates from the pancreas, and mucus and bicarbonates from Brunner's glands.

Answer: (A)

Solution

Statement 1 is true: gastric HCl maintains a strongly acidic pH in the stomach without digesting the stomach or duodenal wall. Statement 2 correctly explains why: a continuous layer of mucus (from gastric mucous/goblet cells

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Question ID VK-114873