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HESI LPN · HESI LPN Pharmacology · HESI Drugs affecting the gastrointestinal system

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Showing all 5 practice questions with expert explanatory rationales.

Question 1 of 5

A peptide that causes increased capillary permeability and edema is

A. Angiotensin II

B. Bradykinin

C. Captopril

D. Histamine

Expert Explanatory Rationale

Correct Answer: Bradykinin

Question 2 of 5

The following drug has both anti-emetic and prokinetic effects:

A. Hyoscine

B. Metoclopramide

C. Dimenhydrinate

D. Chlorpromazine

Expert Explanatory Rationale

Correct Answer: Metoclopramide

Question 3 of 5

Which of the following organisms has been implicated as a possible cause of chronic gastritis and peptic ulcer disease?

A. Campylobacter jejuni

B. Escherichia coli

C. Helicobacter pylori

D. Calymmatobacterium granulomatis

Expert Explanatory Rationale

Correct Answer: Helicobacter pylori

Question 4 of 5

Bismuth chelate (tripotassium dicitratobismuthate):

A. Precipitates at acid pH

B. Stimulates mucus production

C. Has a direct toxic effect on H. pylori

D. Causes pale stools

Expert Explanatory Rationale

Correct Answer: Has a direct toxic effect on H. pylori

Question 5 of 5

Patient with renal failure is undergoing periodic hemodialysis while awaiting a transplant. Between dialysis sessions we want to reduce the body's phosphate load by reducing dietary phosphate absorption and removing some phosphate already in the blood. Which of the following drugs would be most suitable for this purpose?

A. Aluminum hydroxide gel

B. Bismuth subsalicylate

C. Magnesium hydroxide/oxide

D. Sodium bicarbonate

Expert Explanatory Rationale

Correct Answer: Aluminum hydroxide gel

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