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HESI RN · HESI Pharmacology · Drugs for gastrointestinal disorders

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Showing all 5 practice questions with expert explanatory rationales.

Question 1 of 5

Which one of the following drugs has no effect on prothrombin but increases the likelihood of bleeding in patients who are also taking warfarin?

A. Carbamazepine

B. Cholestyramine

C. Naproxen

D. Rifampin

Correct Answer: Naproxen

Question 2 of 5

The following is a mucosal protective agent that is effective in treatment of peptic ulcer; but produces black coloration of mouth cavity and faeces:

A. Omeprazole

B. Carbenoxolone

C. Coloidal bismuth

D. Misoprostol

Correct Answer: Coloidal bismuth

Question 3 of 5

The 'acid neutralizing capacity' of an antacid is governed by

A. The equivalent weight of the antacid

B. The pH of 1 N solution of the antacid

C. The rate at which the antacid reacts with HCl

D. Both (a) and (c)

Correct Answer: Both (a) and (c)

Question 4 of 5

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

A. Perforation into the intestine is common

B. Spontaneous healing of the ulcer may occur in 30%-50% of cases

C. There is the risk of the ulcer being cancerous

D. Symptoms tend to be chronic and recur

Correct Answer: There is the risk of the ulcer being cancerous

Question 5 of 5

Antimotility drugs are contraindicated in

A. Mild traveler's diarrhoea

B. Acute infective diarrhoeas

C. Ileostomy patients

D. Patients after anal surgery

Correct Answer: Acute infective diarrhoeas

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