Question 1
In the digestive system, the stomach is stimulated by eating to produce large volumes of gastric secretions. The secretion that is responsible for converting pepsinogen to pepsin and acts as a bactericide against swallowed organisms is:
Question 2
The enteric nervous system regulates intestinal motility. Of the two movements that promote motility, the one that occurs more frequently is:
Question 3
A 31-year-old woman visits a gastroenterologist’s office with complaints of diarrhea.The stool is bloody with mucous. Although the sample will be sent to a laboratory for analysis, the gastroenterologist suggests an endoscopy and histologic studies of biopsied tissue. She discusses the possible diagnoses, among them Crohn disease and ulcerative colitis. The type of diarrhea caused by
See the (expanded ) discussion grading rubric below the table.an inflammatory disorder of the intestine is: