Reference no: EM133455580
Questions
1. Lactose intolerance, the inability to digest the sugar found in dairy products, results from :
A. the stomach
B. the large intestine
C. the small intestine
D. the pancreas
E. the mouth
2. Which of the following lists the structures in the correct order of food movement?
A. pyloric sphincter, stomach, duodenum, jejunum, ileum, ileocecal valve
B. esophagus, cardiac sphincter, stomach, pyloric sphincter, duodenum
C. lower esophageal sphincter, stomach, pyloric sphincter, ileum, jejunum.
D. esophagus, pyloric sphincter, stomach, ileocecal valve, duodenum
E. esophagus, pyloric sphincter, stomach, cecum, ileum, jejunum
3. Select all that apply. Which of the following statements regarding the large intestine are true?
A. Haustral churning in the large intestine helps to form and move waste material.
B. Most water absorption occurs in the large intestine.
C. The digestion of proteins begins in the large intestine.
D. Peyer's patches are large collections of lymphoid tissue found in the submucosa of the large intestine.
E. The final stages of chemical digestion occur through bacterial action.
4. Select all that apply. Which of the following statements regarding stomach function are true?
A. Rugae are the large folds of the gastric mucosa that allow the stomach to distend, and allow a greater surface area for secretion and absorption.
B. The cardiac sphincter is the valve that controls the movement of chyme from the stomach into the duodenum.
C. Proteins are converted into peptides/amino acids by the activity of pepsin.
D. The stomach is the primary location for the absorption of alcohol.
E. When stomach pH increases (due to the presence of certain foods), gastric secretions and motility will decrease.
5. Select all that apply. Which of the following statements regarding gastric/peptic ulcer disease are true?
A. H. pylori are acid-producing bacteria that overwhelm the pH balance of the stomach; thus causing ulcers.
B. The long-term use of NSAIDs is considered a non-infectious cause of ulcers.
C. Epigastric pain typically occurs 1-3 hours after eating and is often relieved by eating again.
D. IV antibiotic treatments over the course of 2-4 months is the therapy of choice for active ulcers.
E. Ninety percent of recurrent ulcers are caused by Helicobacter pylori.
6. Which of the following substances is not secreted by the stomach?
A. pepsinogen
B. mucus
C. HCl
D. secretin
E. lipase
7. Select all that apply. Which of the following would stimulate gastric secretions and motility?
A. gastrin
B. an increase in stomach pH
C. the smell of good food
D. distention of the stomach walls
E. cholecystokinin (CCK)
8. Which organ releases sodium bicarbonate to buffer stomach acid?
A. small intestine
B. liver
C. appendix
D. pancreas
E. gall bladder