Correct Answer: A

Rationale: The correct answer is A: Clumsiness, difficulty running, climbing, and riding a bicycle are some of the earliest signs and symptoms of Duchenne's muscular dystrophy. Duchenne's muscular dystrophy is a genetic disorder characterized by progressive muscle degeneration and weakness. Choices B, C, and D are incorrect because they do not represent the typical early signs and symptoms of Duchenne's muscular dystrophy. Pain and inflammation in the bones (choice B) are more indicative of conditions like osteomyelitis; deformity of the foot (choice C) is characteristic of talipes or clubfoot; and infection in the joint leading to arthritis (choice D) is more aligned with septic joint or supportive arthritis.

Correct Answer: A

Rationale: The correct answer is A because addiction cannot be accurately predicted. Choices B and C are incorrect. Withdrawal, drug tolerance, and physical dependence are not definitive signs of addiction, and pain medications can be used with patients who have a substance abuse history under careful monitoring. Choice D is incorrect because addiction is not solely signaled by deception and stockpiling; it is a complex condition with various behavioral, physical, and psychological aspects.

Correct Answer: D

Rationale: The correct answer is D. A 99-year-old exercising their right to autonomy in the context of patient rights by choosing CPR. Autonomy in healthcare refers to the patient's right to make their own decisions about their care, even if healthcare providers may disagree. In this scenario, the 99-year-old patient is exercising autonomy by making an informed choice about their medical treatment, despite healthcare professionals having a different opinion. Choices A, B, and C do not directly demonstrate the exercise of autonomy in decision-making regarding medical treatment, making them incorrect.

Correct Answer: A

Rationale: The correct answer is A. Having a client on airborne precautions wear a mask when out of their room is appropriate to prevent the spread of infection. Choice B is incorrect because the healthcare provider, not the client, wears an N95 respirator mask for a client on droplet precautions. Choice C is incorrect because negative-pressure airflow rooms are used for clients with airborne infections, not compromised immunity. Choice D is incorrect because visitors, not clients, should wear a mask when visiting a client on contact precautions.

Correct Answer: A

Rationale: The nurse should address the inadequate food supply first as it directly impacts the client's health post-discharge. Proper nutrition is crucial for recovery after surgery, especially such as coronary artery bypass grafting. While low pain tolerance, limited social support, and decreased self-esteem are all important issues to address, addressing the client's nutritional needs is the priority in this scenario to ensure optimal recovery and healing.