Radiation Therapy MCQs with Answers

Which of the following is a type of external beam radiation therapy that uses multiple beams of radiation aimed at the tumor from different directions?

Which of the following is a form of brachytherapy?

Which type of radiation therapy uses charged particles to deliver radiation to the tumor?

What is the term for the region surrounding the target volume where radiation doses are reduced in radiation therapy?

What is the term for the region surrounding the target volume where radiation doses are highest in radiation therapy?

Which type of radiation therapy uses radioactive sources placed directly into or near the tumor?

What is the term for the process of marking the patient's skin to ensure accurate positioning during radiation therapy?

What is the term for the process of delivering radiation therapy continuously over a prolonged period?

Which of the following is a commonly used imaging technique for treatment planning in radiation therapy?

What is the term for the process of adjusting the radiation therapy plan based on the patient's anatomy and tumor response?

What is the term for the process of measuring and calculating the radiation dose distribution in the patient's body?

Which type of radiation therapy delivers radiation from outside the body?

Which of the following is a technique that delivers radiation to the entire body, often used for the treatment of leukemia or lymphoma?

What is the unit of measurement for radiation dose in radiation therapy?

What is the term for the total dose of radiation delivered over a specified period in radiation therapy?

Which of the following is a technique that delivers high doses of radiation to small, well-defined tumor targets with minimal damage to surrounding tissue?

Which of the following organs is particularly sensitive to radiation therapy?

Which of the following is a potential long-term side effect of radiation therapy?

What is the term for the process of focusing radiation beams precisely on the tumor while minimizing exposure to surrounding healthy tissue?

What is the primary goal of radiation therapy?

What is the term for the process of precisely outlining the target area to be treated in radiation therapy?

What is the term for the phenomenon where radiation beams intersect and intensify in radiation therapy?

What is the term for the process of verifying the accuracy of the radiation therapy plan before treatment delivery?

What is the term for the distance between the source of radiation and the treatment area in radiation therapy?

Which type of radiation therapy uses beams of radiation directed at the tumor from multiple angles, shaped to conform to the tumor's shape?

What is the term for the process of delivering radiation therapy in small, controlled doses over time?

Which of the following is a technique that delivers radiation to the entire body, often used before bone marrow transplantation?

Which of the following is a technique that delivers radiation to the entire brain, often used for the treatment of brain metastases?

What is the term for the high-dose region within the target volume in radiation therapy?

Which of the following is a common side effect of radiation therapy?

Which type of radiation therapy delivers radiation through implanted seeds or catheters?

What is the purpose of immobilization devices in radiation therapy?

Which of the following is a method used to verify the accuracy of radiation therapy delivery?

Which of the following is a method used to shield healthy tissues during radiation therapy?

What is the term for the process of planning the precise treatment area for radiation therapy?

What is the term for the process of aligning the patient's position with the planned treatment position in radiation therapy?

Which type of radiation therapy delivers radiation in a highly focused manner, usually using a gamma knife or linear accelerator?

Which type of radiation therapy uses a rotating machine to deliver radiation to the tumor from multiple angles?

What is the most common source of external beam radiation therapy?

What is the term for the process of verifying the position of the treatment area before each radiation therapy session?