Correct Answer: D

Rationale: Clear breath sounds are an essential indicator of effective pneumonia treatment as they suggest resolution of the lung infection. A normal respiratory rate (A) indicates adequate breathing but does not directly reflect the effectiveness of pneumonia treatment. An elevated white blood cell count (B) is a sign of infection and may not decrease immediately with treatment. While maintaining an SpO2 of 95% (C) is crucial for oxygenation, it may not directly indicate the effectiveness of pneumonia treatment.

Correct Answer: A

Rationale: The correct intervention for preventing pressure ulcers in a client at risk is to turn the client every 2 hours. This helps relieve pressure on bony prominences, improving circulation and preventing tissue damage. Using a donut-shaped cushion can actually increase pressure on the skin and worsen the risk of pressure ulcers. Elevating the head of the bed to 45 degrees is beneficial for preventing aspiration in some cases but does not directly address pressure ulcer prevention. Massaging reddened areas can further damage the skin and increase the risk of pressure ulcer development by causing friction and shearing forces.

Correct Answer: C

Rationale: The correct answer is C: Jugular vein distention. In left-sided heart failure, the left ventricle fails to efficiently pump blood to the body, causing increased pressure in the pulmonary circulation. This increased pressure can lead to symptoms like jugular vein distention, as blood backs up in the pulmonary circulation and causes congestion. Choices A, B, and D are incorrect: Peripheral edema is more commonly associated with right-sided heart failure, cough with frothy sputum is a sign of pulmonary edema which can occur in left-sided heart failure but is not as specific as jugular vein distention, and dependent edema is also more indicative of right-sided heart failure due to fluid retention and increased venous pressure in the systemic circulation.

Correct Answer: D

Rationale: The correct question for the nurse to ask the client who experiences auditory hallucinations and finds it hard not to listen to the voices is, 'What helps you ignore what you are hearing?' This question focuses on promoting coping strategies and therapeutic communication, encouraging the client to share what techniques or interventions have been effective for managing the auditory hallucinations. Choice A is incorrect because it assumes the client does not understand that the voices are not real, which may not be the case. Choice B delves into the reasons behind the voices, which may not be immediately helpful in managing the current situation. Choice C suggests a physical solution of going to a private place, which may not address the underlying issue of coping with the voices.

Correct Answer: B

Rationale: The correct answer is B. Metformin should be taken with a full glass of water in the morning to improve absorption and prevent gastrointestinal upset. Choice A is incorrect because metformin is not typically taken at bedtime. Choice C is unrelated to metformin therapy. Choice D is incorrect because metformin is actually better absorbed when taken with or after meals.