Which imaging study is used to delineate brain metastasis for SRS?

A patient is treated with a single field, SSD = 100 cm. The prescription is 300 cGy/fraction at 5 cm depth. What is the dose (cGy)/fraction at 10 cm depth? Given PDD (5 cm) = 87.0; PDD (10 cm) = 67.0.

Which of the following parameters affect the photon percent depth dose?

The recommended shielding design goal (P) for an uncontrolled area in accordance with NCRP Report 151 is _____ mSv per week.

What is the minimum number of ideal fiducial markers needed for 6 degree of freedom patient positioning?

All of the following are forms of intrafraction motion management EXCEPT _____.

The curie (Ci) is a unit of radioactivity based on the activity of 1 gram of _____. 1 Ci = 37 _____.

Which metric is most commonly used to evaluate the calculated and delivered fluence/dose from a patient-specific IMRT plan?

Some MLCs are designed with rounded leaf ends to _____.

Which SBRT motion management strategy typically results in the shortest treatment time?