Question

While running between classes, Jack has tripped and broken his hand - while at the hospital, he decides to read up about the x-ray he'll need to get a cast. After quizzing his doctor, Jack learns that his x-ray machine works by accelerating electrons from a hot filament to a metal target. As the electrons collide, they emit x-rays, which are shot at his hand and used to generate a picture of his break Filament voltage Heated filament Film Electrons Metal target High voltage v X-rays source Vacuum Jack approximates his hand as 3 cm thick. If the attenuation coefficient for the tissue in his hand is 0.226 cm^-1, what percentage of the x-ray intensity remains after passing through his hand? After the x-ray is taken, Jack notices his bones are outlined very well, but the different types of tissue in his hand (muscle, fat, cartilage) are not well resolved. Why is this?

Answer 1

Page No. Date: sand nutted Lie Attenuation cee NOU (thickness-ot-harder Obstaele) 3x-3au NOLD 1 1503.3 ick hae baned Hrou

Date: 1心 passing through Phand in comparison to dt tissues .So tissues x tises bones amd othe sBt the eineaxat tevation

Technically, the difference between the attenuation coefficient of bones and other tissues is significant but the difference of attenuation coefficient among tissue categories is not significant. So bones and tissues are resolved but tissues are not resolved into their respective categories ( muscle ,fat cartilage etc)

In layman language, bones absorb a lot of Xray while tissues absorb less (being less dense in comparison to bone). But the absorption behaviour of the all the tissues is kind of like similar.so they are not well resolved.