Author: Anonymous

Errors in planning software are usually systemic and affect a multitude of patients.

What happens after a beam deposits 100% of its dose at Dmax?

Flattness and Symmetry are defined in central _________ of the beam.

Which of the following tests can be used to verify that the leakage of radiation from behind the MLC is within tolerance?

The therapist performs a collimator size check daily on the linac that delivers IMRT treatments.  What is the tolerance of this spot check?

The prescribed dose must be delivered within 5% of what was planned to be delivered to provide the greatest opportunity of a positive outcome for the patient.

Both the Medical Physicist and the Radiation Oncologist must wear a ring badge when performing brachytherapy procedures.

What is the accepted tolerance for an electron output constancy of a 12 MeV beam performed for the purpose of daily QA?

The point at which 100% of the dose is deposited under the skin is known as:

A beam’s profile will likely be indented in the center at a depth of 15cm.