In SRS total dose is delivered in – (i) single session (ii) multiple session (iii) depends on planning (iv) none of these. The MLC used in tomotherapy is – (i) Single MLC (ii) bina... In SRS total dose is delivered in – (i) single session (ii) multiple session (iii) depends on planning (iv) none of these. The MLC used in tomotherapy is – (i) Single MLC (ii) binary MLC (iii) may be both (iv) none of these. The number of collimators used in Cyber knife is – (i) 12 (ii) 11 (iii) 10 (iv) 6. Radiation Hazard is least in – (i) manual brachytherapy (ii) manually afterloading brachytherapy (iii) remote after loading brachytherapy (iv) none of these. A treatment planning computer is used in – (i) remote after loading brachytherapy (ii) manually after-loading brachytherapy (iii) manual brachytherapy (iv) none of these. Ir-192 source is most commonly used in remote after-loading devices because of its high specific activity (i) low gamma energy (ii) medium gamma energy (iii) high gamma energy (iv) none of these. In stocking technique the optimal limit of dose to the bladder is about – (i) 5500 rads (ii) 4000 rads (iii) 6000 rads (iv) 8000 rads. When the region to be treated is more than 2.5cm thick, most suitable implant is – (i) single plane implant (ii) double plane implant (iii) volume implant (iv) none of these. Read more