Correct Answer: A

Rationale: Pursed-lip breathing is a characteristic finding in clients with COPD. It helps keep the airways open during exhalation, acting as a compensatory mechanism to prevent airway collapse, which is common in COPD. Hyperresonance on percussion is typically found in conditions like emphysema, which is a component of COPD but not characteristic of the overall disease. Bradycardia is not typical in COPD; instead, clients often exhibit tachycardia due to chronic hypoxemia. High-pitched inspiratory crackles are more commonly associated with conditions like pneumonia, not COPD.

Correct Answer: A

Rationale: The correct intervention to prevent complications associated with pneumonia is to encourage mobilization and ambulation. These activities help prevent complications such as atelectasis by promoting lung expansion. Encouraging energy conservation with complete bed rest (Choice B) is not ideal as it can lead to complications like muscle weakness and decreased lung expansion. Providing humidified oxygen via nasal cannula (Choice C) is important in pneumonia treatment but does not directly prevent complications associated with pneumonia itself. Restricting oral (PO) and intravenous fluids (Choice D) is not recommended as adequate hydration is crucial for pneumonia patients to maintain respiratory function and overall health.

Correct Answer: A

Rationale: The most crucial action for the nurse before administering a stat dose of potassium chloride IV to a client with hypokalemia is to ensure the IV is flowing freely. A freely flowing IV is essential to safely and effectively deliver potassium chloride, helping to prevent infusion-related issues. Checking the client's electrolyte levels or obtaining a baseline ECG may be important but are not the most critical actions before administering the medication. Mixing the medication thoroughly is not applicable in this scenario as potassium chloride is typically provided ready to use.

Correct Answer: C

Rationale: The priority nursing intervention for a client with COPD experiencing shortness of breath is to position the client in a high-Fowler's position. This position helps improve lung expansion and ease breathing in COPD patients. While administering bronchodilator therapy as prescribed (Choice A) is important, it is not the priority in this scenario. Encouraging deep breathing and coughing exercises (Choice B) can be beneficial but do not take precedence over positioning for improved respiratory function. Increasing the oxygen flow rate (Choice D) can be considered after the initial positioning to relieve respiratory distress, making it a later intervention.

Correct Answer: A

Rationale: The correct answer is A. Hospice care focuses on enhancing symptom management to improve the end-of-life quality for terminally ill patients and their families. Hospice aims to provide comfort, dignity, and support during the end-of-life journey. Choice B is incorrect as hospice care does not involve assisted suicide but focuses on providing palliative care. Choice C is incorrect as hospice care does not aim to postpone the death experience but rather to provide support and comfort during this time. Choice D is incorrect as while hospice care may involve educating family members on caring for the client, the primary focus is on symptom management and quality of life.