RADIATION THERAPY TEST PAPER 2026/2027 QUESTIONS
AND SOLUTIONS RATED A+
✔✔Radiation cystitis - ✔✔Bladder inflammation causing dysuria and hematuria.
✔✔Bone marrow suppression from radiation - ✔✔Occurs when large marrow volumes
are irradiated.
✔✔Radiation and pregnancy - ✔✔Contraindicated due to fetal harm.
✔✔Radiation therapy contraindications - ✔✔Pregnancy and inability to tolerate
treatment positioning.
✔✔Simulation in radiation therapy - ✔✔CT-based planning session to map tumor and
organs at risk.
✔✔Radiation planning target volume - ✔✔Area including tumor and margin to account
for movement and setup error.
✔✔Organs at risk - ✔✔Normal tissues near tumor that must be protected from excess
radiation.
✔✔Role of radiation oncologist - ✔✔Plans and supervises radiation treatment.
✔✔Role of radiation therapist - ✔✔Delivers daily radiation treatments.
✔✔Role of medical physicist - ✔✔Ensures accurate dose delivery and machine safety.
✔✔Combination chemoradiation - ✔✔Chemotherapy given with radiation to enhance
tumor kill.
✔✔Radiosensitizers - ✔✔Agents that increase tumor sensitivity to radiation.
✔✔Common radiosensitizer - ✔✔Cisplatin.
✔✔Radiation therapy in bone metastases - ✔✔Effective for pain relief and prevention of
fractures.
✔✔Spinal cord radiation tolerance - ✔✔Limited tolerance; excess dose risks
myelopathy.
✔✔Oncologic emergency related to radiation - ✔✔Spinal cord compression may require
urgent radiation.
AND SOLUTIONS RATED A+
✔✔Radiation cystitis - ✔✔Bladder inflammation causing dysuria and hematuria.
✔✔Bone marrow suppression from radiation - ✔✔Occurs when large marrow volumes
are irradiated.
✔✔Radiation and pregnancy - ✔✔Contraindicated due to fetal harm.
✔✔Radiation therapy contraindications - ✔✔Pregnancy and inability to tolerate
treatment positioning.
✔✔Simulation in radiation therapy - ✔✔CT-based planning session to map tumor and
organs at risk.
✔✔Radiation planning target volume - ✔✔Area including tumor and margin to account
for movement and setup error.
✔✔Organs at risk - ✔✔Normal tissues near tumor that must be protected from excess
radiation.
✔✔Role of radiation oncologist - ✔✔Plans and supervises radiation treatment.
✔✔Role of radiation therapist - ✔✔Delivers daily radiation treatments.
✔✔Role of medical physicist - ✔✔Ensures accurate dose delivery and machine safety.
✔✔Combination chemoradiation - ✔✔Chemotherapy given with radiation to enhance
tumor kill.
✔✔Radiosensitizers - ✔✔Agents that increase tumor sensitivity to radiation.
✔✔Common radiosensitizer - ✔✔Cisplatin.
✔✔Radiation therapy in bone metastases - ✔✔Effective for pain relief and prevention of
fractures.
✔✔Spinal cord radiation tolerance - ✔✔Limited tolerance; excess dose risks
myelopathy.
✔✔Oncologic emergency related to radiation - ✔✔Spinal cord compression may require
urgent radiation.
