Correct Answer: A

Rationale: The correct answer is A: Encouraging fluids. In a client with multiple myeloma, encouraging fluids is a priority intervention to prevent kidney damage from high calcium levels. Adequate hydration helps maintain renal function and prevents complications. Providing frequent oral care (Choice B) is essential for clients at risk of mucositis or oral infections, such as those undergoing chemotherapy. Coughing and deep breathing exercises (Choice C) are commonly used for clients at risk of respiratory complications, like postoperative patients. Monitoring the red blood cell count (Choice D) is important for conditions like anemia but is not the priority in a client with multiple myeloma, where fluid management is crucial.

Correct Answer: B

Rationale: The most appropriate response for a patient presenting with a firm, painless cervical lymph node and denying recent infectious diseases is to promptly refer the patient for medical assessment. This is crucial to rule out serious underlying conditions such as malignancy or other concerning causes. Calling 911 is not necessary in this situation as it is not an emergency. Ordering a radiograph may not be the most immediate or appropriate action, as further evaluation by a healthcare provider is needed first. Encouraging the patient to wait and track the lymph node for a week is not advisable when a potential serious condition needs to be ruled out promptly.

Correct Answer: C

Rationale: The correct answer is to gently inquire about advance directives. Superior vena cava syndrome is often a late-stage manifestation, indicating a serious condition. Discussing advance directives with the client is crucial to ensure their wishes are known in case of deterioration. Administering allopurinol (Choice A) is not indicated for superior vena cava syndrome. Assessing the client's serum potassium level (Choice B) is not the priority when managing this syndrome. Emergency surgery (Choice D) is not typically the initial treatment for superior vena cava syndrome.

Correct Answer: A

Rationale: The correct answer is A. Palliative care focuses on managing symptoms and improving the quality of life for clients with serious illnesses like cancer. Choice B is incorrect as palliative care can be provided alongside curative treatments. Choice C is incorrect because palliative care does not aim to prolong life at all costs; it focuses on improving the quality of life. Choice D is partially correct but does not fully capture the essence of palliative care, which includes symptom management and holistic support for the client and their family.

Correct Answer: D

Rationale: The correct answer is D, Electrocardiographic changes. In clients with metastatic prostate cancer, hypercalcemia can lead to various signs and symptoms. Electrocardiographic changes are considered a late sign of hypercalcemia, indicating severe electrolyte imbalance. Headache (choice A), dysphagia (choice B), and constipation (choice C) are earlier signs of hypercalcemia and may precede the development of more severe symptoms like electrocardiographic changes.