ATI RN
ATI Oncology Questions
1. The nurse is assessing the colostomy of a client who has had an abdominal perineal resection for a bowel tumor. Which assessment finding indicates that the colostomy is beginning to function?
- A. The passage of flatus
- B. Absent bowel sounds
- C. The client’s ability to tolerate food
- D. Bloody drainage from the colostomy
Correct answer: A
Rationale: The passage of flatus (gas) from the colostomy is an early sign that the bowel is beginning to function after surgery. This indicates that peristalsis, or the movement of the intestines, has resumed and that the digestive system is actively moving gas and eventually stool through the bowel and out of the colostomy. It’s a positive sign that the bowel is recovering from the surgery and starting to work as intended.
2. 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.
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 client is diagnosed with multiple myeloma and the client asks the nurse about the diagnosis. The nurse bases the response on which description of this disorder?
- A. Altered red blood cell production
- B. Altered production of lymph nodes
- C. Malignant exacerbation in the number of leukocytes
- D. Malignant proliferation of plasma cells within the bone
Correct answer: D
Rationale: Multiple myeloma is a type of cancer that involves the malignant proliferation of plasma cells, which are a type of white blood cell that produces antibodies. In multiple myeloma, these abnormal plasma cells accumulate in the bone marrow, where they interfere with the production of normal blood cells and lead to the formation of tumors in the bones. This can cause bone pain, fractures, anemia, and impaired immune function. The excessive production of abnormal antibodies can also result in kidney damage and other systemic complications.
5. The cells of a normal individual can replicate in a specified rate. If the rate of replication becomes uncontrollable, which of the following is lacking from the patient?
- A. Apoptosis
- B. Contact inhibition
- C. Stable cells
- D. Labile cells
Correct answer: B
Rationale: Contact inhibition is a regulatory mechanism that prevents cells from proliferating once they reach a certain density. Normally, when cells grow and touch each other (such as in a monolayer), they stop dividing, maintaining tissue integrity and structure. When contact inhibition is lacking, as in many cancerous cells, cells continue to grow and divide uncontrollably, leading to tumor formation. This loss of regulation is a hallmark of cancerous growth.
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