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.

Correct Answer: C

Rationale: Regular insulin, also known as short-acting insulin, typically exhibits a peak effect around 1 to 5 hours following administration. This rapid onset and peak effect make it suitable for managing postprandial glucose levels. In contrast, Insulin glargine is a long-acting insulin with no pronounced peak effect, NPH insulin has an intermediate duration of action, and Insulin lispro is a rapid-acting insulin that peaks within 30 minutes to 2.5 hours after administration.

Correct Answer: B

Rationale: The nurse should instruct the client to discontinue ceftriaxone if a rash develops, as it could indicate an allergic reaction that needs to be reported to the healthcare provider for further evaluation and management.

Correct Answer: B

Rationale: Coarse tremors are a common sign of Lithium toxicity. Monitoring for tremors is crucial as they can indicate a potentially serious complication that requires immediate intervention. While other options such as severe hypertension, constipation, and muscle spasm may be symptoms of various conditions, they are not typically associated with Lithium toxicity.

Correct Answer: C

Rationale: The nurse should monitor the client for neutropenia when receiving capecitabine, as it is a common adverse effect caused by bone marrow suppression. Neutropenia increases the risk of infection, making it essential for the nurse to closely monitor the client's white blood cell count and assess for signs of infection during treatment.