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Physiology G.I.T a17da2a8

During peristalsis which of the following is not involved?

A
NO
B
Substance P
C
Noradrenalin
D
VIP
High-Yield Explanation
Ach & Substance P are responsible for the proximal contracting segment of peristalsis NO & VIP are responsible for the distal Relaxation Ref: Ganong 25th ed/page 497

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