National Board Questions Flashcards
1
Q
A radiograph produced from the movement of an electron from an outer shell to a vacancy in an inner shell is referred to as:
A
Characteristic radiation
2
Q
Both milliampere and exposure time determine the:
A
Number of x-rays produced
3
Q
Which of the following describes a radiographic film that has many graduations of gray from totally white to totally black?
A
Low contrast(have lot of gray)
4
Q
Federal guidelines limit the size of the intraoral x-ray beam at the client’s skin to:
A
2 3/4 (2.75) inches