Correct Answer: D

Rationale: Informed consent is required when asking a patient to participate in a research study, as mentioned in choice D. Choices A, B, and C involve routine care measures that do not require specific informed consent. Ordering a liquid diet, providing saline solution for dry nasal passages, or listening to a patient's personal secrets are part of standard care and do not typically necessitate formal consent beyond general consent for treatment.

Correct Answer: B

Rationale: The correct answer is B. Under the doctrine of respondent superior, nurses can be held liable for the actions of individuals under their supervision. In this scenario, the registered nurse directed the unlicensed care provider to perform a task outside their scope of practice, making the nurse accountable for the consequences. Choice A is incorrect because the responsibility is shared between the nurse and the unlicensed care provider. Choice C is incorrect as the nurse manager may not be directly responsible for the actions of the registered nurse. Choice D is incorrect because legality is not determined solely by the absence of harm; acting within one's legal scope of practice is essential to ensure patient safety.

Correct Answer: B

Rationale: The correct answer is B. Ms. O's friends, who are elderly and cannot drive, ride buses to visit her. The social worker can help by finding easier transportation options for them. Not having family around, friends' visits can significantly impact Ms. O's well-being. It may be challenging for the friends to ask for help themselves, so the social worker can reach out to volunteer groups for assistance. Making friends at the dialysis center might not be feasible due to the nature of treatments. Asking other residents' families to bring her friends could burden them further and might deter them from helping. It's important to consider the friends' convenience and emotional support for Ms. O.

Correct Answer: B

Rationale: The correct answer is B because private law deals with relationships between individuals and organizations, such as the contract between an individual and the care facility. Choices A, C, and D are not classified under private law. Choice A pertains to professional regulation and is a matter of public law. Choice C involves legal criteria and decision-making related to mental competence, falling under public law. Choice D concerns criminal consequences, which are also part of public law.

Correct Answer: B

Rationale: Diabetes, hypertension, and stroke are all higher than average in Native American/First Nations adults. Lung and oral cancers are not noted to have a higher prevalence and family is likely to be involved in the care of these older adults. The skin tone of Native American/First Nations people is not noted to require specific assessment techniques. The Native American population may have close family bonds.