Correct Answer: D

Rationale: The correct answer is D. Reviewing the information with the client and family should be addressed first. This step involves ensuring that the client and family fully understand the information provided, which is crucial before proceeding with any other responsibilities. Taking vital signs (choice A) is important but not the priority in this scenario. Answering the client's questions (choice B) and evaluating client teaching (choice C) can come after reviewing the information to ensure effective communication and understanding.

Correct Answer: D

Rationale: In a situation where a visitor arrives on the unit with a gun, it is essential to prioritize the safety of patients and staff. Immediately notifying security with all the relevant details is the correct course of action. Asking the visitor to leave or engaging them could escalate the situation and put everyone at risk. Similarly, requesting the gun from the visitor directly is not advisable as it could lead to a dangerous confrontation. By alerting security promptly, you enable trained professionals to handle the situation safely and effectively, minimizing risks and ensuring the safety of all individuals involved.

Correct Answer: A

Rationale: The primary reason for conducting a performance appraisal is to provide constructive feedback to employees. This feedback helps employees understand what is expected of them, how well they are performing, and areas where they can improve. Choice B (Imposing punishment) is incorrect because performance appraisals should focus on development rather than punishment. Choice C (Identifying issues) is not the primary reason but can be a secondary outcome of performance appraisals. Choice D (Offering coaching) is related to providing guidance and support, which is a part of the feedback process but not the primary reason for conducting a performance appraisal.

Correct Answer: A

Rationale: The correct answer is A because having a weekly inspection checklist for oxygen equipment ensures that the client can monitor the safety and functionality of the oxygen equipment regularly. This is crucial for maintaining a safe environment. Choice B is incorrect because storing an extra oxygen tank on its side under the bed can pose a safety hazard, as tanks should be stored upright. Choice C is a good safety practice, but it is not directly related to oxygen use. Choice D is incorrect because wool blankets are flammable and should not be used by clients receiving supplemental oxygen due to the increased risk of fire.

Correct Answer: D

Rationale: The correct answer is D, Chaos theory. Chaos theory is characterized by organizations that are made up of intertwined links and diversified choices that generate unanticipated consequences. Contingency theory (choice A) is based on the idea that there is no one best way to organize and manage a corporation. Closed system theory (choice B) refers to systems that are closed off from the outside environment and do not interact with it. Open system theory (choice C) views organizations as open systems that interact with their external environment.