Medium NCLEX Oncology Practice Questions

Concept Explanation

Oncology nursing focuses on the care of patients diagnosed with cancer, emphasizing the management of treatment side effects, psychosocial support, and the prevention of oncologic emergencies. To succeed on the exam, you must understand how to prioritize care for patients receiving chemotherapy, radiation, and surgical interventions. Key concepts include identifying neutropenia risks, managing electrolyte imbalances like hypercalcemia, and recognizing the early signs of Superior Vena Cava Syndrome. Nurses must also master the administration of vesicant medications and the safe handling of hazardous substances to protect both the patient and the healthcare team. For a broader overview before tackling these specific items, you might find our NCLEX Med Surg Practice Questions helpful in framing systemic disease management.

Effective oncology care is grounded in the TNM staging system (Tumor, Node, Metastasis) and the grading of cellular differentiation. According to the National Cancer Institute, early detection and symptom management are the cornerstones of improving survival rates. On the NCLEX, questions often focus on "safety first"—such as checking absolute neutrophil counts (ANC) before administering myelosuppressive drugs or monitoring for extravasation during IV infusions. You can use the AI MasterPlan to schedule specific review sessions for these high-stakes topics.

Solved Examples

1. Vesicant Administration: A nurse is administering a known vesicant chemotherapy agent via a peripheral IV. The patient reports a stinging sensation at the site. What is the priority action?
   1. Stop the infusion immediately to prevent further tissue damage.
   2. Aspirate any remaining drug from the catheter.
   3. Notify the healthcare provider.
   4. Apply a cold or warm compress based on the specific drug protocol.
   Solution: The priority is 1. Stopping the infusion prevents further extravasation and potential necrosis.
2. Neutropenia Precautions: A patient has an ANC of $450/mm^3$. Which intervention should the nurse implement?
   1. Place the patient in a positive-pressure room and initiate protective isolation.
   2. Encourage the patient to eat fresh salads to increase vitamin intake.
   3. Take the rectal temperature every 4 hours to monitor for infection.
   4. Allow the patient's children to visit as long as they wear a mask.
   Solution: The priority is 1. An ANC below $500/mm^3$ indicates severe neutropenia, requiring strict infection control. Fresh produce and rectal temperatures are contraindicated due to infection risk.
3. Radiation Safety: A patient is receiving internal radiation (brachytherapy) for cervical cancer. Which action by the nurse is appropriate?
   1. Spend no more than 30 minutes in the room per 8-hour shift.
   2. Keep all linens in the room until the radiation source is removed.
   3. Wear a lead apron at all times while standing at the bedside.
   4. Allow pregnant visitors to stay for 10 minutes at a distance of 6 feet.
   Solution: The priority is 1. The principle of Time, Distance, and Shielding is vital. Pregnant women and children should never be allowed in the room.

Practice Questions

1. A patient with lung cancer reports new-onset facial edema and difficulty breathing. The nurse notes distended neck veins. Which oncologic emergency should the nurse suspect?

2. A nurse is caring for a patient with multiple myeloma. Which laboratory value is the most critical to monitor to prevent renal failure and cardiac issues?

3. During a chemotherapy infusion of doxorubicin, the patient complains of sudden chest pain and shortness of breath. After stopping the infusion, what is the nurse's next action?

4. A patient receiving chemotherapy has a platelet count of $18,000/mm^3$. Which nursing intervention is a priority for this patient?

5. A patient is diagnosed with Tumor Lysis Syndrome (TLS). The nurse should prepare to administer which medication to lower uric acid levels?

6. Which skin care instruction is essential for a patient undergoing external beam radiation therapy?

7. A nurse is educating a patient about the "Warning Signs of Cancer" using the CAUTION acronym. What does the "U" represent?

8. A patient with advanced prostate cancer is prescribed a palliative radiation treatment. What is the primary goal of this therapy?

9. A nurse is evaluating a patient's understanding of a low-microbial (neutropenic) diet. Which food choice indicates the patient needs further teaching?

10. When assessing a patient with a suspected brain tumor, what is the most common early clinical manifestation the nurse should look for?

Answers & Explanations

1. Superior Vena Cava Syndrome (SVCS): This occurs when a tumor compresses the SVC, obstructing blood flow from the head and neck. Signs include facial edema, periorbital edema, and jugular vein distension. It is a medical emergency often associated with lung cancer or lymphoma.
2. Serum Calcium: Multiple myeloma causes bone destruction, leading to hypercalcemia. High calcium levels can cause renal stones, kidney failure, and life-threatening arrhythmias. You can review more about metabolic disturbances in our NCLEX Renal Practice Questions.
3. Assess Vital Signs and Lung Sounds: Doxorubicin is cardiotoxic. Sudden respiratory distress during infusion could indicate acute heart failure or an anaphylactic reaction. Immediate assessment is required after ensuring the infusion has stopped.
4. Implement Bleeding Precautions: A platelet count below $20,000/mm^3$ puts the patient at high risk for spontaneous bleeding. The nurse must avoid IM injections, use soft toothbrushes, and monitor for occult blood. Refer to NCLEX Hematology Practice Questions for more on blood counts.
5. Allopurinol: TLS results in the rapid release of intracellular contents, including purines that convert to uric acid. Allopurinol (or Rasburicase) helps prevent uric acid nephropathy.
6. Avoid applying lotions, powders, or perfumes to the irradiated area: These substances can contain chemicals or metals that irritate the skin or interfere with radiation delivery. Only use approved, pH-neutral soaps.
7. Unusual bleeding or discharge: The CAUTION acronym stands for Change in bowel/bladder habits, A sore that doesn't heal, Unusual bleeding/discharge, Thickening/lump, Indigestion/difficulty swallowing, Obvious change in wart/mole, and Nagging cough/hoarseness.
8. Symptom management and comfort: Palliative therapy is not intended to cure the cancer but to shrink tumors that are causing pain or obstructing organs to improve the quality of life.
9. Fresh strawberries or unpeeled fruit: Fresh, raw fruits and vegetables can harbor bacteria and fungi. Patients on a neutropenic diet should eat cooked foods or fruits that can be peeled (like bananas or oranges).
10. Headache that is worse in the morning: As intracranial pressure increases during sleep due to position and CO2 retention, patients often wake up with a dull, throbbing headache that may improve after being upright. Check NCLEX Neurology Practice Questions for more on ICP.

1. A nurse is caring for a patient with a suspected oncologic emergency. The patient has a serum calcium level of \( 14.2 \text{ mg/dL} \). Which clinical manifestation should the nurse expect?

• AMuscle tremors and tetany
• BHyperactive bowel sounds
• CMuscle weakness and constipation
• DShortened PR interval on ECG

Frequently Asked Questions

What is the most common side effect of chemotherapy for NCLEX?

Myelosuppression, which includes anemia, neutropenia, and thrombocytopenia, is the most common and life-threatening side effect. Nurses must prioritize infection prevention and bleeding precautions when these counts drop. For more practice on these risks, use the AI Question Generator to create custom quizzes.

How do you calculate the Absolute Neutrophil Count (ANC)?

The ANC is calculated by multiplying the total white blood cell (WBC) count by the percentage of neutrophils (segments plus bands). An ANC below $1,000/mm^3$ indicates a high risk of infection, while below $500/mm^3$ is a medical emergency. You can practice similar calculations in our Medium NCLEX Dosage Calculation Practice Questions.

What are the primary interventions for Spinal Cord Compression?

Immediate interventions include the administration of high-dose corticosteroids to reduce inflammation and edema around the spine. The nurse should also prepare the patient for radiation therapy or surgery to debulk the tumor and prevent permanent paralysis.

Why is hydration important in Tumor Lysis Syndrome?

Aggressive IV hydration helps flush the kidneys and prevent the crystallization of uric acid and calcium phosphate in the renal tubules. This prevents acute kidney injury, which is a major complication of the rapid cell death seen in aggressive cancers.

What is the difference between grading and staging of cancer?

Grading refers to the microscopic appearance of the cells (how much they resemble normal tissue), while staging refers to the clinical extent of the disease (location and spread). Staging is typically documented using the TNM system provided by organizations like the World Health Organization.