Correct Answer: A

Rationale: Step 1: Bringing in the patient's i-Pod with favorite music can provide personalized, soothing sounds, reducing stress and anxiety for the patient. Step 2: Familiar music can create a calming environment, distracting the patient from external noise. Step 3: Listening to music may improve patient comfort and overall experience in the critical care unit. Summary: Option A is correct as it directly addresses noise reduction by providing a personalized, calming environment for the patient. Options B, C, and D do not specifically target noise reduction but focus on other aspects of care or facility improvement.

Correct Answer: A

Rationale: The correct answer is A because instructing the family on where the patient can be touched and what to say helps empower them to interact appropriately with the patient. This action promotes the family's involvement in the patient's care, encourages communication, and fosters a supportive environment. Choice B is incorrect as engaging in social conversation may not address the family's hesitance to approach the patient directly. Choice C is incorrect because waiting for visiting hours to provide information may delay necessary support for the family. Choice D is incorrect as leaving the family without guidance may perpetuate their discomfort and hinder their ability to provide emotional support to the patient.

Correct Answer: A

Rationale: The correct answer is A: Evidence-based practice. The AACN Standards for Acute and Critical Care Nursing Practice emphasize the use of evidence-based practice to guide critical care nursing. This framework ensures that nursing interventions are based on the best available evidence, leading to improved patient outcomes. Healthy work environment (B) and National Patient Safety Goals (C) are important but not specific frameworks for critical care nursing. The nursing process (D) is a systematic approach to delivering patient care but is not the primary guiding framework in critical care nursing practice.

Correct Answer: C

Rationale: The correct answer is C because it involves patient-centered care and respects the family's preferences. By asking the family members whether they would prefer to remain in the patient's room or wait outside, the nurse acknowledges their needs and allows them to make an informed decision based on their comfort level. This empowers the family members and promotes a supportive environment during a stressful situation. Choice A is incorrect because it assumes that keeping the family in the room without their input is the best approach, which may not be the case for all families. Choice B is incorrect because asking the family to wait outside without considering their preferences may not be the most supportive action. Choice D is incorrect because it makes a blanket statement about patient comfort without considering individual family dynamics and preferences.

Correct Answer: B

Rationale: The correct answer is B: Partly compensated respiratory acidosis, normal oxygen. The pH of 7.31 indicates acidosis, the PaCO2 of 48 mm Hg shows respiratory acidosis, and the bicarbonate level of 22 mEq/L is slightly elevated, indicating the kidneys are compensating. The PaO2 of 115 mm Hg and oxygen saturation of 99% are normal, ruling out hypoxemia. Therefore, the patient is experiencing partly compensated respiratory acidosis. A: Normal arterial blood gas levels with a high oxygen level - Incorrect. The pH is low, indicating acidosis, which is not normal. C: Uncompensated metabolic acidosis with high oxygen level - Incorrect. Metabolic acidosis would have a primary issue with bicarbonate levels, which is not the case here. D: Uncompensated respiratory acidosis; hyperoxygenated - Incorrect. The oxygen levels are normal, ruling out hyperoxygenation.