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HESI RN · HESI Pharmacology · Gastrointestinal drugs

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Showing all 5 practice questions with expert explanatory rationales.

Question 1 of 5

Ondansetron is a

A. Second generation antihistaminic

B. Drug for peptic ulcer

C. New antiarrhythmic

D. Antiemetic for cancer chemotherapy

Expert Explanatory Rationale

Correct Answer: Antiemetic for cancer chemotherapy

Question 2 of 5

On your way to an examination, you experience the vulnerable feeling that an attack of diarrhea is imminent. Which one of the following anti-diarrheal drugs could you buy without a prescription even though it is related chemically to the strong opioid-analgesic meperidine?

A. Aluminum hydroxide

B. Sulfasalazine

C. Loperamide

D. Magnesium hydroxide

Expert Explanatory Rationale

Correct Answer: Loperamide

Question 3 of 5

Which of the following purgatives undergoes enterohepatic circulation to produce prolonged action?

A. Docusates

B. Phenolphthalein

C. Castor oil

D. Lactulose

Expert Explanatory Rationale

Correct Answer: Phenolphthalein

Question 4 of 5

The following purgative interferes with absorption of fat soluble vitamins:

A. Liquid paraffin

B. Methyl cellulose

C. Magnesium sulphate

D. Lactulose

Expert Explanatory Rationale

Correct Answer: Liquid paraffin

Question 5 of 5

The concentration of sodium ions in WHO oral rehydration solution is

A. 40 m moles/L

B. 60 m moles/L

C. 90 m moles/L

D. 110 m moles/L

Expert Explanatory Rationale

Correct Answer: 90 m moles/L

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