Pharmacology HESI 55 Questions 2023

Correct Answer: B

Rationale: To accurately determine peak and trough levels of vancomycin, blood should be drawn two hours after the completion of the IV dose and 30 minutes before the next dose. This timing allows for appropriate assessment of the drug levels in the body, ensuring accurate monitoring of therapeutic and toxic concentrations.

Correct Answer: A

Rationale: The correct answer is A: Bone marrow suppression. Methotrexate, commonly used in rheumatoid arthritis, can lead to bone marrow suppression, reducing the production of blood cells and increasing the risk of infection. Monitoring for signs of anemia, leukopenia, and thrombocytopenia is crucial to detect bone marrow suppression early and prevent complications.

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: A

Rationale: The correct potential side effect of buspirone is drowsiness. It is important for clients to be informed about this side effect, as it can affect their ability to perform tasks that require full alertness, such as driving. Clients should be advised to avoid activities that require mental alertness until they know how the medication affects them.