Author: Anonymous

Which of the following procedures has a functional status as the tolerance?  Choose all that apply.

What is the tolerance for the annual MLC leakage test?

A brachytherapy procedure is scheduled for the day, and the medical physicist verifies that the radiation oncologist is in compliance with mandatory training on emergencies during brachytherapy procedures.  What is the recommended frequency of these trainings?

What is the test used to evaluate the contamination or leakage of a sealed radioactive source?

What is the tolerance for x-ray output constancy during daily QA on a linac?

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

A decrease in field size will equate to an increase in dose rate (output).

Before a brachytherapy procedure begins, the source guides should be inspected to ensure they have no kinks.

Chart checks are done only before treatment starts and at the completion of the the treatment.

A therapist is checking flattness and symmetry during daily QA procedures before the treatment day.  What is the tolerance for flattness and symmetry of a 6MV beam in this instance?