OCN Exam Prep: Oncology Certified Nurse (ONCC) Study Guide + 3,000+ Practice Questions

A 38-year-old survivor of colorectal cancer is preparing to return to his job as a construction foreman. He reports persistent grade 2 peripheral neuropathy in his feet and expresses concern about his ability to safely navigate the job site. What is the most effective nursing intervention to support his vocational transition?

A 32-year-old female with a history of three consecutive normal Pap tests and no history of abnormal results asks about the current preferred interval for her next cervical cancer screening.

A 52-year-old African American male with a father who was diagnosed with prostate cancer at age 65 arrives for his annual physical. He asks about the necessity of prostate-specific antigen (PS

A 42-year-old female with dense breast tissue and a maternal aunt who was diagnosed with breast cancer at age 70 seeks guidance on the most appropriate screening approach for her risk profile.

A 55-year-old female who underwent a total hysterectomy and bilateral salpingo-oophorectomy for benign uterine fibroids ten years ago asks the nurse if she needs to continue her routine cervical cancer screening.

A 47-year-old female with no significant family history of malignancy and no personal history of inflammatory bowel disease asks about colorectal cancer screening options that do not require invasive bowel preparation.

A 62-year-old male with a 35-pack-year smoking history who quit 12 years ago presents for a wellness visit. He expresses concern regarding his risk for lung cancer and asks about the current screening recommendations for his specific situation.

A patient receiving whole-brain radiation for metastatic disease reports a new, dull headache that is most severe upon awakening and is accompanied by occasional morning vomiting without associated nausea.

A patient in the third week of radiation therapy for a localized tumor reports feeling “completely drained” by mid-afternoon. The patient expresses frustration about being unable to maintain a pre-treatment exercise routine.

A patient receiving radiation to the mediastinum for lung cancer reports new onset of sharp, retrosternal pain that worsens when eating solid foods. The patient has lost three pounds over the last seven days.

A patient receiving pelvic radiation for prostate cancer reports increased urinary urgency and a burning sensation during micturition. A urinalysis is negative for bacteria, and the patient has no fever or systemic symptoms.

A patient undergoing daily radiation for a laryngeal tumor reports a persistent “lump in the throat” sensation and severe pain when swallowing liquids. Physical assessment reveals thick, ropey saliva and patchy white membranes on the buccal mucosa.

A patient receiving external beam radiation for breast cancer presents at week five with bright erythema and patchy, moist desquamation within the inframammary fold. The patient reports the area is painful and has a small amount of serous drainage.

A 32-year-old woman who received chest radiation for a pediatric malignancy is now entering the long-term survivorship phase. She is asymptomatic and has no family history of breast cancer. According to evidence-based survivorship guidelines, which screening protocol should the nurse prioritize for this patient?

During a survivorship transition visit, a patient with multiple chronic comorbidities, including diabetes and heart failure, expresses confusion about which provider will manage their long-term surveillance. The patient’s oncology team is now transferring care back to the primary care physician. Which strategy best ensures a safe and effective transition of care?

A patient with a mediastinal tumor presents with facial plethora, periorbital edema, and distended neck veins. The patient reports increased shortness of breath and a feeling of fullness in the head when lying flat in bed.

A 62-year-old survivor with a history of hormone-sensitive cancer is transitioning to long-term follow-up care. She has a documented history of osteopenia and recently experienced a minor wrist fracture after a fall. Which recommendation is most essential to include in her survivorship care plan to manage her ongoing bone health?

A 45-year-old breast cancer survivor finished active treatment six months ago and now contacts the clinic frequently regarding minor skin irritations and occasional muscle aches. She expresses significant worry that her cancer has returned despite normal physical exams. How should the nurse best address these concerns within the survivorship care framework?

A 52-year-old survivor of Hodgkin lymphoma who received mediastinal radiation ten years ago presents for a wellness visit. She reports increasing fatigue during her daily walks and has a history of hypertension. Which action is most appropriate for the oncology nurse to include in the survivorship monitoring plan?

A patient who completed active treatment six months ago reports persistent, intrusive thoughts about the cancer returning, especially before scheduled surveillance imaging. The patient states these thoughts interfere with their ability to concentrate at work. Which intervention should the nurse prioritize?

A patient who typically uses a “blunting” coping style—avoiding detailed medical information to manage anxiety—is presented with a complex, multi-page treatment plan. The patient appears overwhelmed and stops asking questions. How should the oncology nurse adapt the teaching strategy?

A patient who is a non-native English speaker appears withdrawn and avoids eye contact during a survivorship visit. When asked about their emotional well-being, the patient provides short, one-word answers despite having a family member present who offers to translate. What is the best approach for the nurse to assess the patient’s distress?

A 28-year-old patient with a new diagnosis of a hematologic malignancy expresses deep concern regarding their ability to maintain health insurance coverage while taking an extended leave from work for treatment. The patient is the sole provider for their household. Which action by the oncology nurse is most appropriate?

An elderly spouse who serves as the primary caregiver for a patient with advanced metastatic disease reports increasing fatigue, social isolation, and difficulty maintaining their own health appointments. The caregiver mentions they feel “guilty” whenever they leave the patient’s side. Which strategy should the oncology nurse implement to support the caregiver?

A patient who recently underwent extensive surgical resection for a head and neck malignancy is preparing to return to a public-facing professional role. During a follow-up visit, the patient expresses significant anxiety regarding physical changes and potential social rejection. Which intervention best addresses the patient’s immediate psychosocial needs?

A patient with small cell lung cancer becomes increasingly confused and reports a persistent headache. Laboratory findings reveal a serum sodium level of 122 milliequivalents per liter and high urine osmolality.

A patient who is currently neutropenic following a recent treatment cycle develops a temperature of 101.5 degrees Fahrenheit and reports feeling chilled and fatigued. The patient has a central venous access device in place.

A patient with metastatic breast cancer presents with lethargy, profound muscle weakness, and a history of worsening constipation over the last three days. The serum calcium level is significantly elevated above the reference range.

A patient with known vertebral metastases reports a new onset of dull back pain that worsens when lying down. The nurse notes a slight decrease in lower extremity strength and increased difficulty with balance during the physical assessment.

A patient undergoing treatment for a high-grade hematologic malignancy develops a sudden decrease in urine output and muscle cramping. Laboratory results indicate significant elevations in serum potassium and phosphorus levels.