Pharmacology HESI 55 Questions 2023

Correct Answer: D

Rationale: Cimetidine is best absorbed when taken 30 minutes before meals to decrease stomach acid. Administering it before meals allows for optimal absorption and effectiveness of the medication.

Correct Answer: C

Rationale: Benztropine, an anticholinergic drug, is used to control extrapyramidal symptoms associated with olanzapine use.

Correct Answer: A

Rationale: The correct answer is A. Ranitidine is prescribed with long-term steroids to reduce the risk of ulcers associated with steroid therapy. Although steroids can increase the risk of ulcers due to their effect on the gastrointestinal system, ranitidine works by reducing stomach acid production, thus helping to prevent ulcer formation. Choices B, C, and D are incorrect as ranitidine is not given to decrease the risk of infection, reduce blood sugar elevations, or reduce sodium retention associated with steroid usage.

Correct Answer: C

Rationale: Muscle cramps are a common side effect of furosemide due to its impact on electrolyte levels, especially potassium. Furosemide is a loop diuretic that can lead to potassium depletion, resulting in muscle cramps as one of the manifestations of electrolyte imbalances.

Correct Answer: B

Rationale: Bulk-forming laxatives are recommended to prevent constipation because they are safe and considered the most natural option. These laxatives work by absorbing liquid in the intestines, forming a bulky, soft stool that is easier to pass, thereby helping to prevent constipation.