Correct Answer: B

Rationale: The correct answer is B: Fewer taste buds. As people age, they tend to have fewer taste buds, leading to a decreased ability to taste food. This can result in a loss of interest in eating, which may contribute to anorexia and weight loss. Excessive saliva (A) does not directly contribute to anorexia or weight loss. Wearing dentures (C) may affect chewing but is not a major factor in anorexia. Softened tooth enamel (D) is more related to dental health rather than appetite and weight loss.

Correct Answer: B

Rationale: The correct answer is B: Provide step-by-step verbal cues to assist the client. This intervention is appropriate for an older adult with dementia as it offers structured support while still promoting independence. Verbal cues can help guide the client through the self-care tasks, maintaining their dignity and autonomy. Option A is incorrect as full independence may be overwhelming and unsafe. Option C is inappropriate and neglectful. Option D may be too demanding for someone with dementia. Verbal cues strike a balance between support and autonomy, making it the best intervention in this scenario.

Correct Answer: B

Rationale: The correct answer is B because a gerontological nurse practitioner is trained to manage chronic conditions and promote health in older adults through preventive care, education, and treatment. This role involves a holistic approach to addressing the physical, mental, and social aspects of aging. Choice A is incorrect as palliative care is just one aspect of their role. Choice C is incorrect as they work in various settings, not just nursing homes. Choice D is incorrect as they work with a range of older adult patients, not just those with psychiatric conditions.

Correct Answer: C

Rationale: The correct answer is C because consistent routines and environmental modifications have been shown to be the most effective approach in reducing agitation and aggression in older adults with dementia. This approach focuses on providing structure and familiarity, which can help decrease confusion and anxiety in individuals with dementia. Physical restraints (A) are not recommended as they can lead to further agitation and pose risks of injury. Increased sedation with antipsychotics (B) should be used as a last resort due to potential side effects and risks. Ignoring the behavior (D) is not appropriate as it can exacerbate the situation and lead to further distress for the individual.

Correct Answer: A

Rationale: The correct answer is A: Role theory. Role theory suggests that individuals continue to seek fulfilling roles and activities in older age to maintain a sense of purpose and identity. In this scenario, the older woman's transition from a career as a school principal to volunteering at the library aligns with the idea of seeking meaningful roles. B: Disengagement theory posits that older adults withdraw from society as they age, which contradicts the woman's active engagement in volunteering. C: Age-stratification theory focuses on how age influences opportunities and constraints within society, not on individual choices like volunteering. D: Social exchange theory emphasizes reciprocal relationships and benefits gained from social interactions, which is not the primary focus in this scenario.