Author: Anonymous

The reason for keeping beam shaping devices at least 15 to 20 centimeters from the patient’s skin is that

Extra Credit: Which of the following most accurately defines the characteristics of a Grade 3 tumor?  

The prostate gland is located

When treating a mediastinum with parallel opposed 10 x 15 cm AP/PA portals, which of the following structures is most likely at greatest risk for radiation induced injury?

Extra Credit: The leaf ends of the multileaf collimator produce divergent beam patterns to 

A course of radiation therapy which is intended to relieve the suffering of an individual with no intent to cure is called:                   

The discrepancies in the patient/beam alignment between the first portal image and the simulation DRR may be due to

Which of the following is not a use for bolus?

Which of the following beam energies will exhibit the greatest amount of skin sparing? 

A noticeable skin reaction due to radiation exposures around 30 Gy is