Question

question 23
2 pts
the timer switch on a dental x - ray unit can be remotely wired and mounted outside of the dental treatment room, or at least ________ away from the tube head.
6 to 12 ft
6 to 8 in.
1 to 2 ft
10 to 12 ft

Explanation:

In dental radiography, for safety reasons, the timer - switch of a dental x - ray unit should be mounted at a safe distance from the tube head. The standard recommendation is to have it at least 6 to 8 inches away from the tube head when it cannot be mounted outside the treatment room.

Answer:

B. 6 to 8 in.