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Secondary Esophageal Peristalsis

Question 16

Multiple Choice

Secondary esophageal peristalsis:


A) Is preceded by an oral- pharyngeal phase of Swallowing .
B) Involves activation of medullary Swallowing centers .
C) Is accompanied by lower esophageal sphincter relaxation.
D) Occurs in both skeletal and smooth muscle portions of the esophagus.

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