With Digital Imaging Using AEC,if an AP Thoracic Spine Is

Multiple Choice

With digital imaging using AEC,if an AP thoracic spine is imaged with the central ray passing 3 inches to the right of the spine,the brightness in the area of interest is __________________ and the exposure time is ________________________.(Assume all other factors are appropriate. )

A) light;long
B) light;short
C) appropriate;short
D) dark;long