Deck 7: Operator Protection

Question 1

Operators of dental radiographic equipment should be able to stand how far from the x-ray tube head during exposure:

A)3 feet
B)6 feet
C)12 feet
D)20 feet

Answer 1

6 feet

Question 2

When using rectangular collimation with the paralleling technique one must use a:

A)localizing film-holding device
B)bite tab
C)8-inch FFD
D)none of the above

Question 3

The collimator limits the size and shape of the x-ray beam to no more than:

A)one inch at the skin
B)2 inches at the skin
C)3 inches at the skin
D)5 inches at the skin