Quiz
- What cells produce hydrochloric acid in the stomach?
(a) Gastrin-producing cells
(b) Parietal cells
(c) Mucus-producing cells
(d) None of the above - Vomiting is caused by
(a) viral and bacterial infections.
(b) motion sickness.
(c) surgery.
(d) all of the above. - Ipecac should not be taken with
(a) eight or more ounces of water.
(b) eight or more ounces of juice.
(c) milk.
(d) none of the above. - Laxatives should be avoided if there is any question that the patient has
an intestinal obstruction or severe abdominal pain.
(a) True
(b) False - Stimulant laxatives increase peristalsis by irritating sensory nerve end-
ings in the intestinal mucosa.
(a) True
(b) False - GERD is caused by
(a) a malfunctioning of the stomach mucosa.
(b) a malfunctioning of the pepsin pump.
(c) a malfunctioning of the esophageal sphincter.
(d) none of the above. - Dopamine antagonists suppress emesis by blocking dopamine receptors
in the CTZ.
(a) True
(b) False
CHAPTER 18 Gastrointestinal System^345