Pharmacology HESI 55 Questions 2023

Correct Answer: B

Rationale: The correct instruction that the practical nurse (PN) should reinforce with a client prescribed nitrate isosorbide dinitrate is to avoid getting up quickly and to rise slowly. Nitrates can cause orthostatic hypotension, a sudden drop in blood pressure when changing positions. By rising slowly, the client can prevent the occurrence of orthostatic hypotension and its associated symptoms.

Correct Answer: C

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

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: The correct answer is C. Enalapril, an ACE inhibitor, inhibits the conversion of angiotensin I to angiotensin II, leading to increased levels of bradykinin. The accumulation of bradykinin is responsible for the persistent dry cough associated with ACE inhibitors like enalapril.

Correct Answer: A

Rationale: The correct answer is A: Drowsiness. Paroxetine, used for generalized anxiety disorder, can cause drowsiness. Clients should be advised not to drive or operate heavy machinery until they know how the medication affects them. Dry mouth, nausea, and headache are potential side effects of other medications but are not commonly associated with paroxetine.