Correct Answer: A

Rationale: It is important for the nurse to educate the client about the increased risk for a myocardial infarction when taking Celecoxib due to its effect on suppressing vasodilation, which can lead to this adverse cardiovascular event. Monitoring for signs of heart issues and discussing the importance of seeking prompt medical attention if symptoms occur is crucial in the patient's education.

Correct Answer: A

Rationale: To verify trough levels of a medication, the healthcare professional should obtain a blood specimen immediately before administering the next dose of medication. This timing ensures an accurate representation of the medication's lowest concentration in the bloodstream, which is crucial for therapeutic monitoring and dose adjustments.

Correct Answer: A

Rationale: Furosemide is a loop diuretic that can lead to hypokalemia (low potassium levels) due to increased potassium excretion. Monitoring serum potassium levels is crucial to prevent complications such as cardiac dysrhythmias associated with hypokalemia.

Correct Answer: C

Rationale: Bethanechol is a muscarinic agonist, which stimulates muscarinic receptors. Activation of these receptors can lead to increased sweating (excessive perspiration) as a manifestation of muscarinic stimulation. Options A, B, and D are not typically associated with muscarinic stimulation.

Correct Answer: A

Rationale: Fluoxetine, an SSRI used to treat PTS, can lead to decreased libido as a potential adverse effect. It is crucial for the nurse to educate the client about this possible side effect to promote awareness and understanding.