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 using 110 kVp instead of 80 kVp,the brightness in the area of interest is __________________ and the patient exposure is ________________________.(Assume all other factors are appropriate. )

A) darker;higher
B) unchanged;higher
C) lighter;lower
D) unchanged;lower