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HESI RN · HESI Pharmacology · Drugs affecting the gastrointestinal system

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Showing all 5 practice questions with expert explanatory rationales.

Question 1 of 5

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

A. Aluminum hydroxide

B. Cisapride

C. Granisetron

D. Loperamide

Expert Explanatory Rationale

Correct Answer: Cisapride

Question 2 of 5

The antiulcer drug very helpful in preventing NSAID induced gastric ulcer is

A. Roxatidine

B. Furosemide

C. Enalapril

D. Amrinone

Expert Explanatory Rationale

Correct Answer: Enalapril

Question 3 of 5

In comparison to cimetidine, ranitidine:

A. Does not bind to androgen receptors

B. Is less likely to cause gynaecomastia

C. Penetrates the blood-brain barrier to a lesser extent

D. Is not available for parenteral use

Expert Explanatory Rationale

Correct Answer: Is less likely to cause gynaecomastia

Question 4 of 5

A 34-year-old woman has irritable bowel syndrome with diarrhea that is not responsive to conventional therapies. Despite the small risk of severe constipation and ischemic colitis, the patient decides to begin therapy with granisetron, a drug that acts as a

A. 5-HT3 receptor antagonist

B. 5-HT4 receptor agonist

C. D2 receptor antagonist

D. Muscarinic receptor antagonist

Expert Explanatory Rationale

Correct Answer: 5-HT3 receptor antagonist

Question 5 of 5

The most effective antiemetic for controlling cisplatin induced vomiting is

A. Prochlorperazine

B. Ondansetron

C. Metoclopramide

D. Promethazine

Expert Explanatory Rationale

Correct Answer: Ondansetron

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