Correct Answer: C

Rationale: Alopecia (hair loss) is not a direct manifestation of breast cancer but rather a common side effect of chemotherapy used in breast cancer treatment. Peau d'orange refers to the dimpling or pitting of the skin resembling an orange peel, which can be a sign of breast cancer due to blockage of lymphatic vessels. A painless breast mass and breast enlargement can both be manifestations of breast cancer, with a painless mass being a common symptom and breast enlargement sometimes occurring due to tumor growth.

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: B

Rationale: Radiation-induced fatigue can last for months; it's important to normalize this for the client.

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: D

Rationale: In cases where a patient does not respond appreciably to therapy, it is crucial to identify and respect the patient's choices regarding treatment, including preferences for end-of-life care. Option A is incorrect because it focuses on spiritual support rather than the patient's care preferences. Option B is incorrect as it assumes non-adherence to treatment without evidence. Option C is incorrect as it suggests an alternative treatment approach without considering the patient's wishes for end-of-life care.