A Radiograph of the Abdomen Is Underexposed and Must Be

Multiple Choice

A radiograph of the abdomen is underexposed and must be repeated.The original analog exposure factors used were 65 kV with 25 mAs.The technologist decides to keep the mA at the same level but change the kV to increase radiographic density.How much of an increase is needed in kV to double the density?

A) 3 to 5 kV
B) 9 to 10 kV
C) 10 to 15 kV
D) 15 to 20 kV