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Surgery General d0a564af

Which of the following is false about lower esophageal sphincter

A
Relaxation is mediated by VIP and nitrous oxide
B
Resting pressure is 10 to 25 mmHg
C
Pinch cock action of diaphragm protects against reflex
D
Abnormal relaxation will cause achalasia
High-Yield Explanation
Relaxation will cause GERD Failure to relax will cause achalasia

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