Correct Answer: A

Rationale: The correct answer is A. Weight loss of 0.5 kg (1.1 lb) in 24 hours is an indication that furosemide is effectively reducing fluid retention. This medication works by promoting diuresis, resulting in increased urine output, which could lead to weight loss. While increased urinary output (choice B) is a common effect of furosemide, weight loss is a more specific indicator of its effectiveness. Blood pressure (choice C) and decreased peripheral edema (choice D) can be influenced by various factors and are not direct indicators of furosemide's effectiveness in reducing fluid retention.

Correct Answer: C

Rationale: Bananas are high in potassium, which should be avoided by clients with chronic kidney disease to prevent hyperkalemia. Apples, white bread, and grapes do not have high potassium levels and are generally acceptable for clients with chronic kidney disease unless they have other specific dietary restrictions.

Correct Answer: B

Rationale: The correct answer is B. When taking ferrous sulfate, clients should expect their stools to turn black, which is a normal side effect due to the iron content. Choice A is incorrect because ferrous sulfate should not be taken with milk as it can decrease its absorption. Choice C is incorrect because vitamin C-rich foods like oranges can actually enhance the absorption of iron. Choice D is incorrect because ferrous sulfate is usually recommended to be taken on an empty stomach for better absorption.

Correct Answer: B

Rationale: The correct intervention for a client exhibiting extrapyramidal symptoms while taking haloperidol is to administer benztropine. Benztropine is an anticholinergic medication commonly used to manage extrapyramidal symptoms caused by antipsychotic medications like haloperidol. Increasing the dose of haloperidol (Choice A) would exacerbate the symptoms rather than alleviate them. Administering naloxone (Choice C) is not indicated for extrapyramidal symptoms. Monitoring blood pressure (Choice D) is important but not the primary intervention for managing extrapyramidal symptoms.

Correct Answer: C

Rationale: The correct instruction for a client prescribed metoprolol is to monitor their heart rate before taking the medication. Metoprolol is a beta-blocker that can cause bradycardia (slow heart rate), so it is essential for clients to check their heart rate before each dose. Choice A is incorrect because abruptly stopping metoprolol can lead to adverse effects, so it should not be discontinued suddenly. Choice B is incorrect because there is no specific recommendation to take metoprolol at night to reduce falls. Choice D is incorrect because grapefruit juice can interact with metoprolol, affecting its absorption, and should be avoided.