Q1. Of the following which one causes the contraction ofsmooth muscles behind a bolus of food?
A. Release of Acetycholine by sensroy neruons of the entericnervous system
B. Release of acetylcholine by motor neurons of the entericnervous system
C. Release of nitric oxide by Interstital cells of cajal
D. The release of epinephrine from the sympathetic nervoussystem
Q2. H+ is secereted in the stomach by?
A. H+/K+ ATPase pump
B. H+/HCO3- antiport
C. H+/Cl- symport
D. H+ ATPase pump
Q3 Of the following which one drains secertions from thepancreas, gall bladder, and the liver into theduodenum?
A. Cyctic duct
B. Pancreatic duct
C. Common bile duct
Q4. HCO3- is secereted from pancreatic cells into thepancreaic duct by which of the follwoing apical membranetransporters?
A. HCO3-/Cl- antiport
B. HCO3-/Cl- ATPase pump
C. HCO3-/H+ antiport
