A Satisfactory AP Lumbar Spine Radiograph Is Made Using 200

question 4

Multiple Choice

A satisfactory AP lumbar spine radiograph is made using 200 mA,0.25 sec,78 kVp,and 40-inch SID. Which of the following technique changes will produce a radiograph of similar density while providing less contrast and less exposure to the patient?

• A) 200 mA, 0.12 sec, 90 kVp, 40-inch SID
• B) 200 mA, 0.20 sec, 78 kVp, 36-inch SID
• C) 400 mA, 0.12 sec, 78 kVp, 40-inch SID
• D) 100 mA, 0.25 sec, 78 kVp, 40-inch SID

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