basic geriatric nursing 8th edition test bank

Correct Answer: A

Rationale: The correct answer is A: Free radical theory. Vitamin C is thought to prevent aging by combatting free radicals, which are highly reactive molecules that can damage cells and contribute to aging. Vitamin C acts as an antioxidant, neutralizing free radicals and protecting cells from oxidative damage. Immunological theory (B) focuses on the role of the immune system in aging. Oxidative stress theory (C) is related to free radical theory but does not specifically address the role of vitamin C. Telomere theory (D) pertains to the shortening of telomeres, which are protective structures at the end of chromosomes, but is not directly related to the role of vitamin C in preventing aging.

Correct Answer: B

Rationale: The correct answer is B: The culture has a different orientation to time than Western medicine. This is because the patient's statement about not following up on appointments due to cultural reasons suggests a difference in the perception and importance of time. In some cultures, time is more fluid and flexible compared to the rigid scheduling of Western medicine. This understanding helps the nurse provide culturally sensitive care. Choices A, C, and D are incorrect: A: The culture does not value Western medicine - This is not necessarily implied by the patient's statement about cultural differences. C: The culture is an interdependent culture - The patient's statement does not provide direct evidence of the culture being interdependent. D: The culture does not believe in preventative care - There is no indication in the patient's statement that the culture does not believe in preventative care.

Correct Answer: B

Rationale: The correct answer is B because older adults have reduced kidney function, which impairs their ability to concentrate urine and retain water. Additionally, they may have a diminished thirst sensation, making them less likely to drink enough fluids. This combination of factors makes older adults more vulnerable to dehydration compared to younger adults. Choice A is incorrect because older adults actually have a lower percentage of body water due to age-related changes in body composition. Choice C is incorrect as dehydration can indeed have a more significant impact on older adults due to their physiological changes. Choice D is incorrect as older adults are actually more prone to dehydration due to various age-related factors.

Correct Answer: A

Rationale: The correct answer is A because the TimeSlips program involves providing a picture as a creative prompt for group members to collaboratively create a story. This technique stimulates imagination and communication in cognitively impaired individuals. Choice B is incorrect as recording responses is not specific to the TimeSlips method. Choice C is incorrect as complimenting contributions is not a core component of the TimeSlips program. Choice D is incorrect as reading back the story during the session does not align with the collaborative, creative process of TimeSlips.

Correct Answer: A

Rationale: The correct answer is A: Unsecured scattered rugs. This requires immediate nursing action as it poses a significant fall risk for the older adult. Rugs can cause tripping hazards, leading to potential injuries. The nurse should secure or remove the rugs to ensure the safety of the patient. Summary of other choices: B: Operable smoke detector - While important for safety, it does not require immediate nursing action as it is already in working condition. C: Prefilled medication cassette - This is not an immediate safety concern and can be addressed during routine medication management. D: Unsecured scattered rugs (repeated) - This choice is the same as the correct answer, so it is incorrect.