题目内容
Which technique will give the highest patient dose under the same 90 kVp?
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A radiographic exposure of the chest was taken at 72 inches using 20 mAs and had an exposure of 100 mR. What would the exposure roughly be at 80 inches under the same exposure parameters?
If one lead apron attenuates 95% of an x-ray beam, two aprons will transmit approximately ____.
A grid improves the quality of a diagnostic x-ray primarily by attenuating ___.
The quality of a diagnostic x-ray beam is determined by measuring the _____.
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