A nurse is faced with an ethical dilemma that requires immediate action.

Correct Answer: C

Rationale: Principlism is an ethical decision-making model that uses a framework of ethical principles, such as autonomy, beneficence, nonmaleficence, and justice, to guide decision-making.

Correct Answer: C

Rationale: Covert observation involves studying participants without their knowledge, inherently lacking informed consent, unlike the other methods.

Correct Answer: A

Rationale: Nurses are responsible for administering medications as prescribed, monitoring for side effects, and ensuring patient safety.

Correct Answer: B

Rationale: Nurses must ensure that the patient's advance directives are respected and documented to honor their autonomy and wishes.

Correct Answer: A

Rationale: Documentation serves as a legal record of care provided, ensuring accountability and continuity of care.