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A) If the thickness of the chest is 20 cm, what percentage of X-rays are transmitted...

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Medical Sciences

A) If the thickness of the chest is 20 cm, what percentage ofX-rays are transmitted through the chest at a certain incidentX-ray energy assuming HVL values of 3.5 and 1.8 cm for muscle andbone, respectively, and the bone thickness to be 4 cm and musclethickness 16 cm.

B) If CT images are acquired at the same X-ray energy as above,calculate the CT numbers for muscle and bone voxels assuming thelinear attenuation coefficient of water is 0.1 cm-1

Answer & Explanation Solved by verified expert
3.6 Ratings (633 Votes)
A Given HVL of muscle 35 cmHVL of bone 18 cmmuscle thickness 16 cmbone thickness 4 cmthickness of chest 20 cmHVL ln2 0693 linear    See Answer
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