1. On your way to an examination you experience that vulnerable feeling that an attack of diarrhea is imminent. If you stopped at a drugstore, you could buy this antidiarrheal drug without a prescription even though it is related chemically to the strong opioid – analgesic meperidine

2. Which of the following is a decapeptide precursor of a vasoconstictor substance?

3. Hepatitis B vaccine is least likely to be recommended for prophylactic use in

4. Which of the following is most effective in the treatment of peptic ulcer disease?

5. A 2-year-old child was brought to the emergency room 1 hour after ingestion of tablets he had managed to obtain from a bottle on top of the refrigerator. His symptoms included marked gastrointestinal distress, vomiting (with hematemesis), and epigastric pain. Metabolic acidosis and leukocytosis were also present. This patient is most likely to have ingested tablets containing

6. A peptide that causes increased capillary permeability and edema is

7. Mechanistically, which of the following drugs will decrease stomach acid secretion by blockade of H2 histaminic receptors?

8. Which of the following products should not be used to replenish lost fluids from acute diarrhea?

9. Metronidazole is least likely to be effective in the treatment of

10. Which of the following agents in most useful for carcinoma of the liver?

11. Cardiac arrhythmias have occurred when this drug was used by patients taking the gastrointestinal promotility agent cisapride

12. As part of a comprehensive management strategy to treat peptic ulcer disease, patients should be encouraged to do all of the following except

13. Which of the following statements about non-drug therapies for acute diarrhea is not correct?

14. All of the following agents are considered close to ideal laxatives except

15. A drug associated with the long QT syndrome and cardiac arrhythmias is

16. Dietary supplementation with DHEA is best documented to have therapeutic value in the treatment of

17. A patient with Zollinger–Ellison syndrome has been receiving high doses of cimetidine for 7 weeks. A frequent adverse effect of cimetidine is

18. Which one of the following compounds has been shown to have value in managing symptoms of jet lag?

19. All of the following statements about stool softeners are true except

20. All of the following statements about stool softners are true except

21. Which of the following is released in traumatized tissue, causes pain and edema, and is inactivated by angiotensin converting enzyme?

22. A patient who must take verapamil for hypertension and angina has become severely constipated. Which of the following drugs would be most suitable as a cathartic?

23. Which one of the following antibodies has the longest half-life?

24. A gastric ulcer patient requires close follow-up to document complete ulcer healing because

25. Which is not a risk factor for hyperphosphatemia and death from sodium phosphate enemas when used in children?