Correct Answer: A

Rationale: The correct instruction for using a metered-dose inhaler (MDI) with a spacer for a patient with COPD is to inhale slowly and deeply while pressing the canister. This technique helps ensure that the medication reaches the lungs effectively. Inhaling slowly and deeply allows the medication to be properly delivered to the airways, maximizing its effectiveness in treating the symptoms of COPD. This instruction helps the patient coordinate pressing the canister with their inhalation, which is crucial for proper medication delivery in COPD management.

Correct Answer: C

Rationale: This type of admission is considered voluntary because the patient willingly agrees to be admitted to the hospital for treatment. The patient has signed the admission forms and consented to receive the necessary care, indicating a willingness to participate in their treatment plan. In a voluntary admission, the individual retains the right to make decisions about their treatment and can choose to leave the hospital against medical advice if they wish to do so.

Correct Answer: B

Rationale: The nurse's best response in this situation is to listen actively to the patient's concerns, acknowledge the inconvenience they are experiencing, and offer support. It is essential to validate the patient's feelings and show empathy towards their frustration. By actively listening and addressing the patient's concerns, the nurse can help alleviate some of their frustration and build a positive rapport with the patient. This approach demonstrates respect for the patient's feelings and promotes effective communication in the healthcare setting. Dismissing or ignoring the patient's frustration can lead to further dissatisfaction and impact the quality of care provided.

Correct Answer: A

Rationale: The primary indicator that Nurse Mary observes FIDELITY in the practice of her profession is that she faithfully promotes health and prevents disease. Fidelity in nursing practice refers to being faithful, loyal, and committed to providing the best care and services to patients. By faithfully promoting health and preventing disease, Nurse Mary demonstrates her dedication to her profession, her patients, and the community she serves. This commitment includes following evidence-based practices, upholding ethical standards, being honest and trustworthy, and ensuring the well-being of those under her care. Ultimately, fidelity in nursing practice builds trust and confidence among patients, families, and colleagues, leading to better health outcomes and a stronger healthcare system.

Correct Answer: B

Rationale: CPAP therapy is considered the gold standard treatment for obstructive sleep apnea (OSA) and is the most appropriate intervention for managing OSA and improving symptoms. CPAP therapy involves using a machine that delivers a continuous flow of air through a mask worn over the nose or mouth during sleep. This air pressure helps keep the airway open, preventing the collapse that causes apneas and snoring during sleep.