Film fog may be caused by:

Collars attached to lead aprons are used in dental radiology to prevent scatter radiation exposure to what specific organ of the body?

Of the following PID lengths, which would produce a beam that is the least divergent, thus better for the patient?

Which of the following influencing factors would give poor image detail and definition, but would also increase film speed?

Q1-2

In order to be considered the useful beam, the x-ray beam must first be:

PID stands for:    

 The x-ray beam must strike the film and tooth at a 90 degree angle (perpendicular) to minimize:

Which of the following results in the greatest reduction of radiation to the patient?

All of the following are SI or international units of radiation measurement except: