The main advantage of proton beams over photon beams is _____.

Who is responsible for delineating the GTV?

In SRS for brain metastasis, what the maximum dose when 20 Gy is prescribed to the 60% isodose line?

In ultrasound, as transducer frequency increases, depth of penetration _____ and spatial resolution along the direction of the beam _____.

Which dose calculation algorithm uses the concept of radiological scaling to adjust the kernel for lower density tissues like lung?

An incident photon has an energy of 5 MeV and undergoes a pair production interaction, producing a positron-electron pair. The combined kinetic energy of this pair will be _____ MeV.

Which of the following is a feature of proton pencil beam scanning?

How many gray levels are in an image with 10 bits per voxel?

Comparing pencil beam scanning (PBS) protons to passive scattering protons, which of the following are true?

In single-isocenter treatment of multiple brain metastasis, rotational setup error ________ as the isocenter-to-target distance ________?