Which is a disadvantage of rotational therapy?

When would an off-axis calculation not be used to calculate normalization points?

What is true about high energy photons?

When calculating extended distances how do you correct the %DD?

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?

When using an extended distance, what corrections need to be made?

What is the therapeutic ratio if the normal tissue tolerance is 5000 cGy and the lethal dose for the tumor is 4000 cGy.

Which of the following is a graphic plot of the target and normal structure volumes vs a function of dose?

If the SSD is increased, the %DD will: