COMPUTED TOMOGRAPHY (CT) EXAM
WITH COMPLETE SOLUTIONS
What ris rCT rand rwhat ris rit rused rfor? r- rcorrect ranswers r-CT ruses rdiagnostic rx-rays
rto rcreate rcross-sectional rimages rof rthe rhuman rbody. rIt ruses rmathematical
ralgorithms rto rcombine rthese rimages rtogether. rIt's rhelpful rin robtaining rof rvolume rof
rinformation rso rwe rcan rsee rstructures rin r3 rdimensions. rIt's rextremely rhelpful rwith
rcancers rto rbe rable rto rdetect rthe rsize rand rshape rof ra rmass.
What rare rthe rcomponents rof rthe requipment? r- rcorrect ranswers r-Gantry: rGantry
rincludes rthe rcouch r(table) rand rsupport, rscanner rhousing, rx rray rtube, rand
rdetectors. r
Computer: rdisplays rimages
Operating rconsole: rCT rcan rhave rup rto rthree roperating rconsoles.
How rdoes rthe requipment rwork? r- rcorrect ranswers r-The rx-ray rtube ris rpulsed rand
rhas ra rfan rshaped/ rnarrow rbeam. rIt rhas ra rrotating rtube rthat ris ropposite rof rthe
rdetector. rThe rtube rhas ra rsmall rfocal rspot. rThe rdetector rsends rdata rto rthe
rcomputer rand rmeasures rthe rattenuation rcoefficient. rThe rcomputer rreceives,
WITH COMPLETE SOLUTIONS
What ris rCT rand rwhat ris rit rused rfor? r- rcorrect ranswers r-CT ruses rdiagnostic rx-rays
rto rcreate rcross-sectional rimages rof rthe rhuman rbody. rIt ruses rmathematical
ralgorithms rto rcombine rthese rimages rtogether. rIt's rhelpful rin robtaining rof rvolume rof
rinformation rso rwe rcan rsee rstructures rin r3 rdimensions. rIt's rextremely rhelpful rwith
rcancers rto rbe rable rto rdetect rthe rsize rand rshape rof ra rmass.
What rare rthe rcomponents rof rthe requipment? r- rcorrect ranswers r-Gantry: rGantry
rincludes rthe rcouch r(table) rand rsupport, rscanner rhousing, rx rray rtube, rand
rdetectors. r
Computer: rdisplays rimages
Operating rconsole: rCT rcan rhave rup rto rthree roperating rconsoles.
How rdoes rthe requipment rwork? r- rcorrect ranswers r-The rx-ray rtube ris rpulsed rand
rhas ra rfan rshaped/ rnarrow rbeam. rIt rhas ra rrotating rtube rthat ris ropposite rof rthe
rdetector. rThe rtube rhas ra rsmall rfocal rspot. rThe rdetector rsends rdata rto rthe
rcomputer rand rmeasures rthe rattenuation rcoefficient. rThe rcomputer rreceives,