Which Is TRUE About Gastric Motility

Multiple Choice

Which is TRUE about gastric motility?

A) The basic electrical rhythm of the gastric smooth muscle (three depolarizations per minute) is the same regardless of whether or not food is present.
B) Gastric contractions are strongest in the fundus of the stomach.
C) The force of contraction is decreased by gastrin and increased by enterogastrones.
D) When a wave of excitation reaches the pyloric sphincter,action potentials become inhibitory and the sphincter opens wide to allow chyme to exit.
E) The term "slow waves" refer to gastric contractions,while "pacemaker" refers to gastric action potentials.