Pharmacology HESI

Correct Answer: B

Rationale: Before administering amlodipine, it is important to check the client's blood pressure and heart rate. Amlodipine is known to lower blood pressure and heart rate as part of its mechanism of action. Monitoring these vital signs helps ensure the safety of the client and allows for appropriate assessment of the medication's effects post-administration.

Correct Answer: B

Rationale: The correct therapeutic serum drug level range for phenytoin (Dilantin) is 10 to 20 mcg/mL. This range is considered optimal for seizure control while minimizing the risk of toxicity. Monitoring drug levels helps ensure that the client is within the therapeutic range for effective treatment.

Correct Answer: C

Rationale: Clients taking metformin (Glucophage) should avoid alcohol as it can increase the risk of lactic acidosis. Metformin should be taken with meals to reduce gastrointestinal upset. While hypoglycemia is less common with metformin compared to other diabetes medications, clients should still be aware of its symptoms.

Correct Answer: B

Rationale: Before administering amlodipine, it is important to check the client's blood pressure and heart rate. Amlodipine is known to lower blood pressure and heart rate as part of its mechanism of action. Monitoring these vital signs helps ensure the safety of the client and allows for appropriate assessment of the medication's effects post-administration.

Correct Answer: B

Rationale: Tremors are a sign of excessive doses of levothyroxine, indicating hyperthyroidism. It is important for the client to report tremors to the healthcare provider to prevent complications associated with overdosing on levothyroxine.