Correct Answer: B

Rationale: The correct statement the nurse should include is that the client may experience a headache while taking Ondansetron. Headache is a common side effect of this medication, and clients need to be informed about this potential adverse reaction to enhance their understanding and management of side effects.

Correct Answer: C

Rationale: The correct answer is C. Taking aspirin along with Warfarin can increase the risk of bleeding. Clients should be advised to avoid medications that increase the risk of bleeding when taking Warfarin to prevent complications.

Correct Answer: B

Rationale: Nitroglycerin patches should be removed for 12 hours each day to prevent the development of tolerance. This nitrate-free interval ensures the medication remains effective in managing angina.

Correct Answer: A

Rationale: Spironolactone is a potassium-sparing diuretic that can lead to hyperkalemia as an adverse effect. Hyperkalemia is characterized by elevated levels of potassium in the blood, which can be dangerous and lead to cardiac arrhythmias. Therefore, monitoring for signs and symptoms of hyperkalemia is crucial when a client is taking spironolactone.

Correct Answer: B

Rationale: It is crucial to rotate the application site daily when using nitroglycerin patches to prevent skin irritation and ensure optimal absorption of the medication.