ATI RN
Oncology Questions
1. Nurse Mike is providing care to a client with chronic myelogenous leukemia (CML). The nurse knows that the client is at risk for tumor lysis syndrome. Which of the following laboratory values requires immediate intervention?
- A. Increased uric acid level
- B. Increased serum potassium level
- C. Increased serum sodium level
- D. Increased fibrinogen level
Correct answer: A
Rationale: The correct answer is A: Increased uric acid level. In tumor lysis syndrome, rapid cell destruction releases large amounts of potassium, phosphate, and nucleic acids into the bloodstream. Uric acid can accumulate rapidly, leading to hyperuricemia, which can result in kidney damage due to urate crystal deposition. Immediate intervention is necessary to prevent renal complications. Choices B, C, and D are incorrect because while electrolyte imbalances are common in tumor lysis syndrome, hyperuricemia with potential kidney damage is the priority concern that requires immediate attention.
2. A client has a platelet count of 9800/mm3. What action by the nurse is most appropriate?
- A. Assess the client for calf pain, warmth, and redness.
- B. Instruct the client to call for help to get out of bed.
- C. Obtain cultures as per the facility’s standing policy.
- D. Place the client on protective Isolation Precautions.
Correct answer: B
Rationale: A platelet count of 9800/mm³ indicates severe thrombocytopenia, placing the client at high risk for bleeding, even with minor trauma or injury. Instructing the client to call for help before getting out of bed ensures they receive assistance with mobility, which reduces the risk of falls or injuries that could lead to serious bleeding. Preventing any activity that could result in trauma is crucial when managing clients with very low platelet counts.
3. The nurse is monitoring a client for signs and symptoms related to superior vena cava syndrome. Which is an early sign of this oncological emergency?
- A. Cyanosis
- B. Arm edema
- C. Periorbital edema
- D. Mental status changes
Correct answer: C
Rationale: Superior vena cava syndrome (SVCS) occurs when the superior vena cava, the large vein that carries blood from the upper body to the heart, becomes compressed or obstructed, often by a tumor or enlarged lymph nodes, typically in cancers like lung cancer or lymphoma. The obstruction leads to increased venous pressure and reduced blood flow, resulting in swelling and edema in areas drained by the superior vena cava. Periorbital edema (swelling around the eyes) is one of the earliest signs of SVCS. This occurs because the impaired venous return causes fluid to accumulate in the soft tissues of the face, especially around the eyes. As the condition progresses, facial swelling can worsen, and other symptoms develop.
4. A nurse in the oncology clinic is providing preoperative education to a client just diagnosed with cancer. The client has been scheduled for surgery in 3 days. What action by the nurse is best?
- A. Call the client at home the next day to review teaching.
- B. Give the client information about a cancer support group.
- C. Provide all the preoperative instructions in writing.
- D. Reassure the client that surgery will be over soon.
Correct answer: A
Rationale: Clients are often overwhelmed by a sudden cancer diagnosis; therefore, it is best for the nurse to call the client at home the next day to review teaching. This approach allows the client time to process the information before the surgery. Choice B may be beneficial but is not the priority at this time. Providing written instructions (Choice C) is helpful but does not offer the personalized interaction needed. Reassuring the client (Choice D) is important but does not address the educational aspect of preoperative preparation.
5. Nurse Jane is providing care for a client with superior vena cava syndrome. Which of the following interventions would be the priority?
- A. Elevate the head of the bed
- B. Administer steroids as prescribed
- C. Provide supplemental oxygen
- D. Administer diuretics as prescribed
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.
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