Pepsin, Secreted by the Gastric Mucosa

Multiple Choice

Pepsin, secreted by the gastric mucosa:

A) Continues to act in the neutral medium of the duodenum.
B) Is proteolytic on the mucosal surface, in the alkaline medium provided by the mucus secreted by the surface cells of the stomach.
C) Is synthesized within the chief cells.
D) Doesnot increased in concentration in response to the mental stimuli found in the so'called cephalic phase of gastric digestion