Correct Answer: C

Rationale: The correct answer is C: Delirium. When IV nitroprusside is administered at high dosages, it can lead to thiocyanate toxicity, resulting in mental status changes such as delirium. Monitoring thiocyanate levels during therapy is crucial to ensure they remain below 10 mg/dL to prevent this adverse reaction.

Correct Answer: C

Rationale: Sucralfate can interfere with the absorption of phenytoin. To prevent this interaction, the client should allow a 2-hour interval between taking sucralfate and phenytoin. This interval helps ensure that each medication is absorbed effectively without affecting the other's absorption.

Correct Answer: D

Rationale: Prednisone is a corticosteroid that can cause hyperglycemia. The nurse should monitor the client's serum glucose levels closely to assess for elevated blood sugar levels.

Correct Answer: C

Rationale: Propranolol is a beta-adrenergic antagonist that decreases heart rate and controls tremors.

Correct Answer: D

Rationale: Oxybutynin is an anticholinergic medication that can increase intraocular pressure. It is contraindicated in clients with glaucoma due to the potential to worsen the condition by further elevating intraocular pressure, leading to harm. Therefore, choosing option D, Glaucoma, as the correct answer is essential for the client's safety and to prevent exacerbation of their eye condition.