Question Detail

ZOO 101 ZOO 101 Past Questions Objective Question
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Question

Peristalsis in the esophagus is driven by:
Options
A Smooth muscle contractions
Correct Answer
B Skeletal muscle contractions
C Cardiac muscle contractions
D Enzyme activity
Correct Answer

Option A is the correct answer.

Detailed Explanation

Peristalsis in the esophagus is driven by smooth muscle contractions. The upper esophagus has skeletal muscle, but the lower part uses smooth muscle for peristaltic waves.

Hint

These involuntary, wave-like muscle contractions move food downward.

Question Info

Course: ZOO 101
Topic: ZOO 101 Past Questions
Type: Objective
Difficulty: Not specified
Question 1914 of 2214
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