This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: G.I.T, Subject name: Physiology
Mass movements of the colon would be abolished by 
Select and explain. 
A. Extrinsic denervation, B. Distension of colon, C. Gastrocolic reflex, D. Destruction of Auerbach's plexus
D: Destruction of Auerbach's plexus
Answer: D: Destruction of Auerbach's plexus 
Explanation: Auerbach's plexus which is located between the inner circular and outer longitudinal muscle layer is the one which controls local GI motility Ref: Ganong 25th ed/page 497