A Professor Has Been Teaching a Class on Gastrointestinal Function

Multiple Choice

A professor has been teaching a class on gastrointestinal function. Which statement by a student indicates the need for more education?

A) Within 30 min of eating, the gallbladder forces bile into the stomach.
B) Cholinergic branches of the vagus nerve mediate gallbladder contraction.
C) Cholecystokinin provides hormonal regulation of gallbladder contraction.
D) The sphincter of Oddi controls the flow of bile from the gallbladder.