The Reason Why Health Professionals Working in Radiology Wear Film

The reason why health professionals working in radiology wear film badges is

A) to identify them as working in that department.
B) to protect them from the harmful effects of radiation.
C) to detect and record the amount of radiation to which they are exposed.
D) to record how many x-rays the individual has taken every day.
E) to initiate operation of the x-ray machine by swiping the film badge on the machine.