The external muscle layer of the stomach has:
A)three layers, and sympathetic impulses decrease contractions
B)two layers, and sympathetic impulses increase contractions
C)three layers, and parasympathetic impulses decrease contractions
D)two layers, and parasympathetic impulses increase contractions

Question

Quizplus · Accepted Answer

The external muscle layer of the stomach has three layers: the longitudinal, circular, and oblique muscle layers. Sympathetic impulses generally decrease gastrointestinal motility and secretion, which would decrease contractions in the context of the stomach.

The External Muscle Layer of the Stomach Has