A nurse witnesses a coworker taking controlled substances from the medication cart without proper documentation.

Correct Answer: C

Rationale: Nursing ethics require nurses to uphold professional standards and report any unethical or illegal activities observed in the workplace.

Correct Answer: D

Rationale: Maintaining professionalism and ethical boundaries involves navigating situations where gifts are offered.

Correct Answer: B

Rationale: Diener and Crandell outline four specific ethical principles in research, making option B the correct and most detailed answer.

Correct Answer: A

Rationale: Informed consent involves explaining the risks, benefits, and alternatives of a procedure to the patient, ensuring they understand before agreeing.

Correct Answer: B

Rationale: The nurse's role is to witness the patient's signature after the physician or qualified healthcare provider explains the procedure.