Question Detail

ZOO 101 ZOO 101 Past Questions Objective Question
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Question

How does the gastric mucosa prevent autodigestion by luminal hydrochloric acid and pepsin?
Options
A By secreting an alkaline, protective mucus layer
Correct Answer
B By continuously releasing large amounts of bile
C By sustaining a strictly neutral luminal pH
D By inactivating all luminal proteases immediately
Correct Answer

Option A is the correct answer.

Detailed Explanation

Surface epithelial and mucous neck cells secrete an alkaline, bicarbonate-rich mucus layer that forms a protective physical-chemical barrier.

Hint

No hint available

Question Info

Course: ZOO 101
Topic: ZOO 101 Past Questions
Type: Objective
Difficulty: Not specified
Question 2126 of 2214
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