Homework 10 Flashcards
which stereotactic treatment machine is thought to deliver the best conformality of dose?
a. novalis
b. gammaknife
c. cyberknife
d. proton machine
d. proton machine
which SRS treatment machine is thought to have the highest positional accuracy of the isocenter?
a. proton machine
b. novalis
c. cyberknife
g. gammaknife
g. gammaknife
what is the primary function of the beam spoiler in total body irradiaition?
a. help support ill patients
b. increase the dose to the surface of the patinet
c. compensate for missing tissue
d. reduce the dose to the lungs
b. increase the dose to the surface of the patinet
what is the main reason for rotating the gantry so total skin electron patients are treated with field directed above and below the body?
a. reduce electron scatter
b. make the beam more homogeneous
c. bring the mex dose to the surface
d. minimize photon contamination dose
d. minimize photon contamination dose
which of the following is an example of active motion management?
a. breath hold gating
b. abdominal compression
c. respiratory gating
d. all of the above
d. all of the above
which special treatment machine consists of a 6 MV linear accelerator on a mobile robotic arm?
a. cyberknife
b. tomotherapy
c. stereotactic robotic linac
d. gammaknife
a. cyberknife
which special treatment procedure can be treated on the gammaknife?
a. SBRT
b. IORT
c. SRS
d. all of the above
c. SRS
advantages of intrabeam for intraoperative radiotherapy include
a. no special room shielding is necessary
b. small and easy to maneuver
c. potentially higher relative biological effectiveness than electron beams
d. all of the above
d. all of the above
patient motion which occurs during the current fraction of radiaiton is called ____ motion
intrafractional
advantages of Itraoperative radiotherapy, IORT, include
a. the bragg peak can be utilized
b. a high dose can be delivered to the target
c. uniform dose to large tumors
d. all of the above
b. a high dose can be delivered to the target
