What is the relationship between surface dose and electron energy?
What is the primary reason to angle the gantry posteriorly w…
What is the primary reason to angle the gantry posteriorly when treating Grave’s disease with two lateral fields?
Ratio of the dose at a given point in the phantom to the dos…
Ratio of the dose at a given point in the phantom to the dose in free space at the same point is:
What is a method of dose correction with inhomogeneities?
What is a method of dose correction with inhomogeneities?
What is the therapeutic ratio if the normal tissue tolerance…
What is the therapeutic ratio if the normal tissue tolerance is 5000 cGy and the lethal dose for the tumor is 4000 cGy.
What is true regarding an excisional biopsy?
What is true regarding an excisional biopsy?
What is true about high energy photons?
What is true about high energy photons?
At what depth is the 90% isodose line using a 12 MeV electro…
At what depth is the 90% isodose line using a 12 MeV electron beam?
A patient is treated to 4000 cGy in 4 fractions, what type o…
A patient is treated to 4000 cGy in 4 fractions, what type of treatment would this be considered?
Why is brachytherapy delivered following external beam treat…
Why is brachytherapy delivered following external beam treatment for GYN cancers?