Radiation Therapy Nursing Considerations Practice Questions
18 free Radiation Therapy Nursing Considerations practice questions for the NCLEX Exam. Tap an option to answer — you get instant feedback, the correct answer, and a detailed explanation for every question.
What is the best nursing response when a patient undergoing external beam radiation therapy asks about the treatment's sensation?
- A You will feel a sharp burning sensation as the beam is delivered
- B You will feel nothing during the beam, though fatigue and skin changes may follow
- C You will notice a strong ozone scent throughout each session
- D You will need sedation because the treatment is quite painful
Correct answer: You will feel nothing during the beam, though fatigue and skin changes may follow
External beam radiation typically causes no immediate sensation during the exposure; common effects appear later such as fatigue and skin changes.
What nursing intervention is most appropriate to minimize mucositis risk in a patient undergoing radiation therapy to the head and neck region?
- A Encourage frequent use of alcohol-based mouthwash
- B Recommend abrasive toothbrushes and vigorous flossing
- C Advise soft bland foods and a non-abrasive toothbrush
- D Restrict all oral fluids during treatment days
Correct answer: Advise soft bland foods and a non-abrasive toothbrush
Radiation to the head/neck may cause mucositis and xerostomia; non-abrasive oral hygiene and soft/bland diet reduce injury and infection risk.
Which precaution is critical for visitors and family when a patient undergoes brachytherapy with implantable radioactive sources?
- A No precautions are needed because there is no radiation risk after placement
- B Visitors should keep distance and limit time, especially children and pregnant women
- C Visitors may briefly handle the implant to reassure and comfort the patient
- D The implant must be removed each evening to keep visitors safe
Correct answer: Visitors should keep distance and limit time, especially children and pregnant women
With brachytherapy implants, radiation may emit for a period; visitors (especially pregnant women/children) must limit close, prolonged contact.
What is a key nursing teaching point for a patient receiving pelvic radiation therapy who complains of diarrhea and abdominal cramping?
- A Avoid all fluid intake to reduce the number of bowel movements
- B Increase dietary fiber and add bulk-forming laxatives
- C Use prescribed antidiarrheals and protect hydration and perineal skin
- D Switch to a high-residue diet with extra spices to stimulate the gut
Correct answer: Use prescribed antidiarrheals and protect hydration and perineal skin
Pelvic radiation can cause bowel irritation and diarrhea; antidiarrheals, hydration, skin care, and diet modifications are important nursing interventions.
How long is a typical course of radiation therapy for a patient starting the treatment?
- A Radiation is given only once each month for several months
- B Radiation runs continuously, around the clock, for one full week
- C A single session is sufficient to treat any cancer
- D Treatment is given daily, five days a week, for several weeks
Correct answer: Treatment is given daily, five days a week, for several weeks
External beam radiotherapy is usually fractionated Monday to Friday over several weeks, with the weekend break allowing normal tissue to repair sublethal damage while tumour cells recover less effectively. Single-fraction treatment is used for some palliative indications, but it is not the typical curative course.
Which skin care recommendation is appropriate for patients undergoing external radiation therapy to the chest wall?
- A Apply aluminium deodorant and shave the treated area frequently
- B Avoid friction, wear loose cotton clothing, and avoid extreme heat or cold
- C Apply heat pads and snug clothing over the area to boost circulation
- D Use a tanning bed to toughen the skin before each session
Correct answer: Avoid friction, wear loose cotton clothing, and avoid extreme heat or cold
Radiated skin is more sensitive; avoiding friction, using loose cotton, and protecting from heat/cold helps minimize radiation-induced dermatitis.
What guideline is correct regarding radiation safety at home for a patient receiving systemic radionuclide treatment?
- A No special precautions are needed; the patient can act normally
- B Avoid close contact with pregnant people and children, and flush the toilet twice
- C The patient must stay isolated in a lead-lined room indefinitely
- D The patient should discard all worn clothing after a single use
Correct answer: Avoid close contact with pregnant people and children, and flush the toilet twice
Systemic radiation therapy may require temporary precautions at home—distance from vulnerable persons, separate laundry, safe toileting until radioactivity declines.
Which laboratory value is most crucial to monitor in a patient receiving radiation therapy who also has concurrent chemotherapy?
- A Fasting blood glucose, to detect treatment-related diabetes
- B Hemoglobin, white cell and platelet counts, for marrow suppression
- C Serum cholesterol and triglycerides, to track cardiovascular effects
- D Sodium and potassium, to detect fluid imbalance
Correct answer: Hemoglobin, white cell and platelet counts, for marrow suppression
Concurrent chemoradiation is myelosuppressive, particularly when the field covers marrow-bearing bone such as pelvis, spine or sternum, so serial full blood counts are what detect the neutropenia, anaemia and thrombocytopenia that lead to infection and bleeding. Nadir counts typically occur one to two weeks after treatment and guide dose delays and transfusion.
What nursing teaching should be provided to a patient completing radiation therapy to the head and neck region about dental care?
- A Dental care is no longer needed now that treatment is complete
- B Maintain meticulous oral hygiene with fluoride and have regular dental review
- C Chew only on one side of the mouth to protect the other side
- D Switch to an aggressive whitening toothpaste to remove staining
Correct answer: Maintain meticulous oral hygiene with fluoride and have regular dental review
Head/neck radiation may affect salivary glands, oral mucosa and teeth; dental hygiene and fluoride are essential to prevent severe complications.
What should the nurse include in education when a patient scheduled for radiation therapy expresses fear of sterilization or infertility?
- A Reassure the patient that radiation does not affect fertility
- B Explain that pelvic radiation may impair fertility, so discuss preservation early
- C Reassure the patient that fertility is preserved without any intervention
- D Explain that only chemotherapy, not radiation, can affect fertility
Correct answer: Explain that pelvic radiation may impair fertility, so discuss preservation early
Radiation to pelvic or gonadal regions can damage fertility; discussing fertility preservation and risks is part of complete nursing education.
Which symptom would warrant immediate nursing intervention during radiation therapy?
- A Gradual fatigue with mild erythema over the treated skin
- B New fever above 38 C with purulent drainage from the radiation site
- C Transient mild changes in taste during the treatment course
- D Slight patchy hair loss within the area being treated
Correct answer: New fever above 38 C with purulent drainage from the radiation site
Fever and purulent discharge may indicate infection of the irradiated tissue (especially skin or mucosa) and require prompt evaluation and intervention.
Why is nutrition an important nursing focus during radiation therapy?
- A Radiation affects only the skin in the treated field, so overall diet is not a nursing concern
- B Mucositis, taste changes, and nausea can reduce intake, so diet teaching matters
- C Fluid intake alone determines how well a patient tolerates each therapy session
- D Restricting calories during therapy reduces the severity of side effects
Correct answer: Mucositis, taste changes, and nausea can reduce intake, so diet teaching matters
Radiation commonly causes mucositis, altered taste, nausea, or diarrhoea depending on the site treated, and all of these reduce oral intake. Nursing care therefore includes teaching adequate protein and calorie intake and adjusting food texture and timing for tolerability.
What nursing explanation regarding simulation and immobilization devices is correct for a patient with external beam radiation therapy?
- A These devices are decorative and entirely optional for treatment
- B They help target the radiation precisely and spare normal tissue
- C They require you to hold your breath throughout every beam session
- D They serve only your comfort, so staying still is not necessary
Correct answer: They help target the radiation precisely and spare normal tissue
Immobilization devices ensure accurate positioning for each fraction, reduce exposure of healthy tissue, and improve treatment precision.
What nursing approach is appropriate for a patient undergoing radiation to the abdomen experiencing nausea?
- A Advise the patient to avoid eating anything at all
- B Give prescribed antiemetics, small frequent bland meals, and encourage hydration
- C Focus only on fluid intake and disregard solid foods
- D Stop the radiation course immediately because of the nausea
Correct answer: Give prescribed antiemetics, small frequent bland meals, and encourage hydration
Abdominal radiation often causes GI side-effects; nursing includes anticipatory antiemetics, dietary modification and hydration to manage nausea and maintain nutrition.
Which role is unique to a radiation oncology nurse's collaboration with a multidisciplinary team?
- A Administering chemotherapy medications to all patients on the unit
- B Educating on side effects, coordinating scheduling, and giving psychosocial support
- C Independently performing the patient's tumour-removal surgery
- D Practising in isolation without input from physicists or therapists
Correct answer: Educating on side effects, coordinating scheduling, and giving psychosocial support
Radiation oncology nursing includes patient education, side-effect management, coordination with therapists/physicists and ensuring treatment delivery adherence.
When a patient finishing radiation therapy asks whether side-effects will stop immediately, what is the best response?
- A Yes, all side effects stop the moment treatment ends
- B Some effects appear weeks later and may persist, so we will monitor them
- C You should be completely symptom-free by tomorrow morning
- D Only beneficial effects will continue after treatment ends
Correct answer: Some effects appear weeks later and may persist, so we will monitor them
Some radiation side-effects manifest after treatment (late effects) or persist; patient education about delayed timing is essential.
Which late effect of radiation therapy requires lifelong monitoring by the nurse and survivorship team?
- A Hair loss within the previously treated area
- B Second cancers, cardiac or endocrine dysfunction, and tissue fibrosis
- C Transient redness of the skin over the treated region
- D Nausea occurring immediately during the treatment sessions
Correct answer: Second cancers, cardiac or endocrine dysfunction, and tissue fibrosis
Radiation therapy carries risk of late effects such as secondary cancers, cardiovascular or endocrine dysfunction and tissue fibrosis, which require long-term monitoring.
Which concept best describes why radiation is delivered in fractions rather than one large dose?
- A To stretch the treatment schedule out for staff convenience
- B It lets normal tissue repair between doses while still killing tumour cells
- C Because the machines are unable to deliver a single large dose
- D To overwhelm cancer cells with an unpredictable dosing pattern
Correct answer: It lets normal tissue repair between doses while still killing tumour cells
Fractionation exploits the differential repair capacity of normal tissue vs tumor, enhancing therapeutic ratio and reducing toxicity.