A radiograph of the chest is underexposed and must be repeated. The original technique used was 70 kVp with 20 mAs. The technologist decides to keep the mAs at the same level but change the kVp to increase the radiographic exposure. a) How much of an increase is needed in kilo-voltage to double the exposure? b) Find The actual Kilovolt setting by the field technician
A radiograph of the chest is underexposed and must be repeated. The original technique used was 70 kVp with 20 mAs. The technologist decides to keep the mAs at the same level but change the kVp to increase the radiographic exposure. a) How much of an increase is needed in kilo-voltage to double the exposure? b) Find The actual Kilovolt setting by the field technician
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Please explain both subparts. I will really upvote.
Transcribed Image Text:A radiograph of the chest is underexposed and must be repeated. The original technique used was 70 kVp
with 20 mAs. The technologist decides to keep the mAs at the same level but change the kVp to increase the
radiographic exposure.
a) How much of an increase is needed in kilo-voltage to double the exposure?
b) Find The actual Kilovolt setting by the field technician
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