External Beam Radiation Therapy — MCQs

Radiation mediates its effect by

A pregnant woman with head trauma requires a CT scan of the head. What is the most effective radiation protection measure for the fetus?

Which of the following is most radioresistant?

For the treatment of deep-seated tumors, the following rays are used:

Which radioisotope is commonly used in teletherapy?

In cervical cancer brachytherapy, the primary reference point for dose prescription is -

Which is the treatment of choice for irradiation in Chordoma?

An 85-year-old male with prostate cancer, Gleason score of 6 , and PSA <8 ng/mL. What is the best management approach?

Intraoperative radiation therapy (IORT) is most commonly used in which of the following cancers?

Which radiotherapy technique involves the use of remote afterloading to deliver radiation directly to the tumor?