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Question
Which of the following is a feature of peristalsis?
a. It occurs when longitudinal muscles oppose the action of transverse muscles.
b. Its rate is consistent throughout the GI tract.
c. It occurs at powerful levels in the small intestine but not at all in the colon.
d. It is caused by alternate tightening and relaxing of circular and longitudinal muscles.
e. It may occur unpredictably but is typically in response to a full stomach.
Answer
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