ATI Oncology Questions

Correct Answer: B

Rationale: In polycythemia vera, there is an overproduction of red blood cells, white blood cells, and platelets, which leads to increased blood viscosity and a high risk for thrombosis (blood clot formation). Monitoring the platelet count is a priority because elevated platelet levels contribute significantly to the risk of developing blood clots, which can result in life-threatening complications such as strokes, heart attacks, or deep vein thrombosis (DVT). Therefore, regular monitoring of the platelet count is essential to assess the patient's risk for thrombosis and to guide treatment decisions, such as phlebotomy or medication adjustments to lower platelet levels.

Correct Answer: C

Rationale: Patients with non-Hodgkin lymphoma (NHL) often experience a compromised immune system due to both the disease itself and the effects of treatments like chemotherapy and radiation, which cause myelosuppression (decreased production of blood cells, including white blood cells). This puts them at significant risk for infections. Avoiding crowded places is a crucial preventive measure, as it reduces the patient's exposure to pathogens that could lead to infections, which can be particularly severe due to their weakened immune system.

Correct Answer: D

Rationale: Acute Lymphocytic Leukemia (ALL) is a type of cancer where immature lymphocytes (a type of white blood cell) proliferate uncontrollably in the bone marrow. This leads to a reduction in the production of platelets, leukocytes, and erythrocytes, causing symptoms such as fatigue, anemia, bleeding tendencies, and increased susceptibility to infection. In ALL, leukemic cell infiltration into other organs is common, which can manifest as severe headaches (due to central nervous system involvement), vomiting, and testicular pain (due to infiltration of leukemic cells into the testes). These are hallmark signs of ALL, especially in younger patients.

Correct Answer: C

Rationale: Fatigue is one of the most frequent and profound side effects of radiation therapy. It often occurs because radiation can damage both cancerous and healthy cells, and the body requires energy to repair the damage caused by the treatment. Fatigue from radiation can be cumulative, meaning it may worsen as treatments progress, and can significantly affect the client's daily activities, requiring the nurse to educate the client on energy conservation techniques.

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.