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A CBCT must rotate through a minimum of how many degrees? 

A CBCT must rotate through a minimum of how many degrees? 

Published May 3, 2021
Categorized as Uncategorized

Find the MU necessary to deliver 300cGy per day using 16MeV…

Find the MU necessary to deliver 300cGy per day using 16MeV electrons using a 10×10 cone and a patient specific block that are prescribed to the 85% isodose line.  Block factor: .899

Published May 3, 2021
Categorized as Uncategorized

If the field size is 15.5cm x 15.5cm at 100cm SSD, what is t…

If the field size is 15.5cm x 15.5cm at 100cm SSD, what is the field size at 115cm SSD?

Published May 3, 2021
Categorized as Uncategorized

The order of progression for target volume is: GTV, CTV, ITV…

The order of progression for target volume is: GTV, CTV, ITV, PTV

Published May 3, 2021
Categorized as Uncategorized

when you have a MU hand calc that is set to an extended SSD…

when you have a MU hand calc that is set to an extended SSD (something greater than 100SSD), what factor correct the PDD for being at an extended distance? 

Published May 3, 2021
Categorized as Uncategorized

BSF is the ratio of dose on the central axis at Dmax to the…

BSF is the ratio of dose on the central axis at Dmax to the dose at the same point in air

Published May 3, 2021
Categorized as Uncategorized

The two goals of a patient setup is to immobilize and locali…

The two goals of a patient setup is to immobilize and localize

Published May 3, 2021
Categorized as Uncategorized

Breathhold scan is common to use for left-side breast cancer

Breathhold scan is common to use for left-side breast cancer

Published May 3, 2021
Categorized as Uncategorized

Match the name on the left to the definition on the right

Match the name on the left to the definition on the right

Published May 3, 2021
Categorized as Uncategorized

In a CT scan pixels are defined in Hounsfield Units (HU)

In a CT scan pixels are defined in Hounsfield Units (HU)

Published May 3, 2021
Categorized as Uncategorized

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