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 density setting changed from 0 to -2,the brightness in the area of interest is __________________ and the ____________ is increased.(Assume all other factors are appropriate. )

A) decreased;exposure time
B) increased;image contrast
C) appropriate;recorded detail
D) appropriate;quantum noise