In the plan with three fields, AP, PA, and right lateral, the GTV is indicated by the circle. With an equal weighting to the 3-beam arrangement, the isodose lines are likely to reflect a hot spot in the ________________ part of the GTV. Beam arrangement.png

An increase in the uniformity of the x-ray beam intensity in a linear accelerator is accomplished by the use of a:

The amount a radiation unit is operating in Gy/week at 1 meter refers to the:

Coumadin and Heparin are examples of:

What is the purpose of using a belly board or prone board for a patient with rectal cancer?

Place the following regional nodal groups in order of lymphatic flow:      1. Internal iliac                 2. Paraaortic                 3. Common iliac

Calculate the separation for two non-isocentric spine fields that are to abut at a depth of 5 cm. The caudal field measures 6 cm. by 18 cm., and the cephalic field measures 6 cm. by 12 cm.

For standard fractionation, on-treatment patient records should be checked by a physicist:

Distant metastasis from colorectal cancer is most common to the:

The penetration of x-ray through tissue is primarily a function of: