Correct Answer: C

Rationale: The correct answer is that normal cells undergo apoptosis, which is a programmed cell death process essential for maintaining tissue homeostasis. Choice A is incorrect as normal cells do have specific functions. Choice B is incorrect as the size of the nucleus may vary but is not a defining characteristic of normal cells. Choice D is incorrect as the color of the nucleus is not a standard characteristic of normal cells.

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 to elevate the head of the bed. Elevating the head of the bed can help reduce the pressure on the superior vena cava, improve venous return, and facilitate breathing in clients with superior vena cava syndrome. Administering steroids (Choice B) may be necessary in some cases, but it is not the priority in the immediate care of a client with superior vena cava syndrome. Providing supplemental oxygen (Choice C) may help improve oxygenation but does not directly address the underlying issue of venous congestion. Administering diuretics (Choice D) may be contraindicated as it can further decrease preload and worsen the condition in superior vena cava syndrome.

Correct Answer: A

Rationale: The correct action by the nurse is to assess the client's blood pressure and pulse. Difficulty breathing can be a sign of various conditions, including cardiac issues. Assessing blood pressure and pulse helps in determining the client's hemodynamic status and identifying any cardiovascular compromise. Option B is less crucial as attaching the client to a pulse oximeter may provide oxygen saturation levels but does not directly assess cardiac output. Option C is not the priority in this situation as the client's difficulty breathing is a more urgent concern. Option D is incorrect as urgent radiation therapy is not indicated based on the client's presentation.

Correct Answer: A

Rationale: The correct answer is A: Cardiac function. Imatinib can cause fluid retention and heart failure, so cardiac function should be closely monitored. Renal function (choice B) is not typically affected by imatinib. Liver function (choice C) is not the primary concern with this medication. Pulmonary function (choice D) is not directly impacted by imatinib therapy.