Correct Answer: A

Rationale: Prednisone can cause hypokalemia, so increasing potassium-rich foods in the diet is recommended to prevent low potassium levels. Potassium-rich foods include bananas, oranges, spinach, and potatoes.

Correct Answer: A

Rationale: The correct answer is A. Grapefruit juice can increase blood levels of verapamil, leading to increased effects and potentially serious side effects such as hypotension or bradycardia. It is crucial for the client to avoid grapefruit juice while taking Verapamil to prevent these adverse reactions.

Correct Answer: D

Rationale: Maraviroc, used to treat HIV infection, can lead to severe allergic reactions, including hepatotoxicity. Monitoring for signs of liver damage, such as jaundice or right upper quadrant pain, is crucial for early detection and intervention.

Correct Answer: A

Rationale: Visual disturbances, such as yellow-tinged vision or seeing halos around lights, are common signs of digoxin toxicity. These symptoms should be reported immediately to healthcare providers for further evaluation and management.

Correct Answer: D

Rationale: Glargine (Lantus) is classified as a long-acting insulin, providing a slow, steady release of insulin over an extended period, making it suitable for basal insulin requirements. It has a duration of action that can last up to 24 hours, helping to maintain more stable blood sugar levels throughout the day.