Correct Answer: A

Rationale: The correct answer is the hospital ethics committee. This committee is specifically designed to address and resolve ethical conflicts in patient care. It comprises professionals from various disciplines who can provide guidance and support in navigating ethical dilemmas. Choice B, the quality improvement committee, focuses on enhancing the quality of care provided but may not be equipped to handle ethical conflicts. Choice C, the chaplain, offers spiritual and emotional support but may not have the expertise to resolve ethical dilemmas. Choice D, the director of nursing, is responsible for nursing operations and may not be the appropriate resource for addressing ethical conflicts.

Correct Answer: C

Rationale: The correct answer is C because avoiding alcohol before bedtime can help promote better sleep. Choice A is incorrect as vigorous exercise close to bedtime can actually hinder sleep. Choice B is also incorrect as consuming beverages with caffeine or sugar close to bedtime can disrupt sleep. Choice D, while a good practice, does not directly address the issue of avoiding alcohol before bedtime to improve sleep quality.

Correct Answer: A

Rationale: The correct answer is to store the current bottle of insulin at room temperature. Insulin should be stored this way to maintain its potency and effectiveness. Choice B is incorrect because massaging the injection site after removing the needle is not recommended practice and can cause bruising. Choice C is incorrect as pulling back on the plunger after injecting insulin can lead to injecting air bubbles into the tissue. Choice D is incorrect as syringes should not be reused multiple times due to the risk of contamination and inaccurate dosing.

Correct Answer: A

Rationale: The main components of a comprehensive discharge plan for a patient with heart failure include advising on appropriate physical activity and exercise to improve cardiovascular health and overall well-being. While fluid restriction and dietary recommendations are important aspects of heart failure management, advising on physical activity and exercise is crucial for improving cardiac function and quality of life post-discharge. Medication management is also essential but focusing on physical activity is particularly relevant for long-term management and preventing readmissions.

Correct Answer: D

Rationale: The correct answer is D: Dysrhythmias. Straining while defecating can lead to dysrhythmias due to increased vagal stimulation. Choices A, B, and C are incorrect. Straining while defecating is not typically associated with causing diarrhea, gastric ulcers, or dilated pupils.