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EXTRA CREDIT FROM STANTON AND STINSON HOMEWORK: A patient is treated with an oblique field of 10 degrees using a gantry angle of 190 degrees. In order to take an orthogonal image, what will the gantry angle be? (There are to possible angles, only answer using one angle).  _______ .

The Parker-Patterson system establishes a set of guidelines that, that if followed, will provide a dose of ___________ within the implanted area.

If the output measured for an open beam treatment portal is measured at 850 cGy/minute, what would be the output of the beam if a 45-degree hard wedge with an attenuation factor of 1.089 is added to the treatment portal?

EXTRA CREDIT FROM THE STANTON AND STINSON HOMEWORK: If a patient is treated with a four-field box for a daily fractional dose of 180 cGy. What is the dose delivered through the AP/PA if each field is weighted 1:1:1.2:1.2 for the AP, PA, right lateral, left lateral respectively? _______ .

Dynamic step and shoot refers to a method of radiation delivery where

The parameter/s that is least likely to effect a single-beam isodose distribution is the:            

Which of the following most significantly effects brachytherapy dose distributions?

Bremsstrahlung radiation is mainly produced by accelerator electrons

The principle role of the multi-leaf collimator when treating with intensity modulated radiotherapy is to produce a beam shape with the three dimensional volume of the tumor so that

EXTRA CREDIT FROM THE STANTON AND STINSON HOMEWORK: If a patient is treated with a four-field box for a daily fractional dose of 180 cGy, what is the dose delivered through each field if they are equally weighted to the isocenter?   _______ .