Correct Answer: D

Rationale: The correct answer is D: Physical therapy for stroke rehabilitation. Tertiary prevention aims to prevent complications and manage existing conditions to improve the quality of life. Administering childhood vaccinations (A) is an example of primary prevention to prevent the onset of diseases. Chemotherapy for cancer treatment (B) is a form of secondary prevention focusing on early detection and treatment to stop the progression of the disease. Routine screening for hypertension (C) is also a form of secondary prevention to detect and treat hypertension early, preventing further complications.

Correct Answer: D

Rationale: The main purpose of a nursing code of ethics is to provide a framework for ethical decision-making in nursing practice. While choice A is important, the primary focus of a nursing code of ethics is not solely to protect the rights and dignity of patients but to guide nurses in making ethical decisions. Choice B is more related to legal requirements, not the ethical aspects covered by a code of ethics. Choice C, setting standards for clinical practice, is important but distinct from the primary purpose of a code of ethics, which is centered on ethical decision-making.

Correct Answer: B

Rationale: The correct first step in implementing a new electronic health record (EHR) system is to identify the project team. This team will be crucial in overseeing the entire implementation process, including tasks like developing a training program (Choice C) and conducting a needs assessment (Choice D). Training all staff on the new system (Choice A) is an important step but typically occurs after the project team has been identified to ensure a smooth and efficient implementation.

Correct Answer: D

Rationale: An affinity map is a tool commonly used when a problem is not easily identified. It helps in organizing and grouping ideas, data, or information based on relationships or themes. Choice A, 'trial and error,' involves repeatedly trying different solutions until the problem is solved, which may not be efficient when the problem is not clearly defined. Choice B, the 'Delphi method,' is a structured communication technique for experts to reach a consensus, not specifically for unidentified problems. Choice C, 'political decision-making model,' refers to a process for making decisions in political contexts and is not directly related to identifying unknown problems.

Correct Answer: A

Rationale: The correct answer is A. The CDC recommends a pneumococcal vaccine for all adults aged 65 years and older. This vaccine helps protect against serious pneumococcal disease. Choice B is incorrect as the shingles vaccine is recommended for adults aged 50 years and older, not specifically at 70 years. Choice C is incorrect because a tetanus booster is recommended every 10 years, not every 5 years. Choice D is incorrect as the general recommendation for eye examinations in older adults is annually, not every 2 years.