Correct Answer: A

Rationale: The correct answer is A: Strict hand hygiene. Neutropenic clients have a low level of neutrophils, which are important in fighting infections. Therefore, maintaining strict hand hygiene is crucial in preventing the introduction of pathogens that could lead to infections. Limiting visitor contact (choice B) is important but not as critical as preventing the introduction of pathogens through proper hand hygiene. Administering prophylactic antibiotics (choice C) and blood products (choice D) are treatment measures and do not address the preventive aspect that hand hygiene provides.

Correct Answer: D

Rationale: The correct answer is D: Teaching measures to prevent scalp injury. Alopecia makes the scalp more vulnerable to injury, so educating clients on protective measures is crucial. Choices A and B focus on emotional support and reassurance, which are important but secondary to physical safety. Referring clients to a wig shop (choice C) addresses appearance but does not directly address the physical risk associated with scalp vulnerability.

Correct Answer: A

Rationale: The correct answer is A. Elevating the knee gatch on the bed should be avoided in the care of a client who has undergone a vaginal hysterectomy. This action can inhibit venous return, increasing the risk of deep vein thrombosis or thrombophlebitis. Choices B, C, and D are appropriate nursing interventions for postoperative care to prevent complications and promote circulation.

Correct Answer: A

Rationale: The correct answer is A: Decreased immune function. Aging leads to a decline in immune function, which increases susceptibility to infections during chemotherapy. This decline is due to changes in the immune system that occur with age. Choices B, C, and D are incorrect because while they may impact overall health in older clients, they do not directly increase susceptibility to infections during chemotherapy like decreased immune function does.

Correct Answer: B

Rationale: The correct answer is B: 'Promoting bed rest to avoid injury.' In patients with multiple myeloma undergoing chemotherapy, encouraging bed rest can lead to muscle weakness and bone loss, increasing the risk of fractures. Promoting bed rest to avoid injury means advising the patient on safe movement and activities to prevent fractures. Encouraging weight-bearing exercises (choice C) would be more beneficial than bed rest as it helps in maintaining bone density and strength. Ensuring adequate hydration (choice D) is essential for overall health but does not directly address the risk of bone fractures associated with multiple myeloma and chemotherapy. Choice A, 'Encouraging bed rest,' is incorrect as it may worsen the risk of fractures rather than reduce it.