Regarding Motility in the GI Tract

Multiple Choice

Regarding motility in the GI tract,

A) Food is propelled along the tract by waves of smooth-muscle contraction and relaxation called peristalsis
B) During a meal, intestinal motility functions primarily to mix chyme and bring it into contact with the gastric mucosa
C) The rate of gastric emptying is controlled by hormones and by autonomic nerves
D) Both food is propelled along the tract by waves of smooth-muscle contraction and relaxation called peristalsis and during a meal, intestinal motility functions primarily to mix chyme and bring it into contact with the gastric mucosa are correct
E) All of the choices are correct