COMPUTED TOMOGRAPHY EXAM PREP
WITH VERIFIED ANSWERS
Which jof jthe jfollowing jreduces jthe jscatter jradiation jreaching jthe jdetectors?
j
A. jPost-patient jcollimation
B. jPre-patient jcollimation
C. jPre-detector jcollimation
D. jBoth jA j& jC j- jcorrect janswers j-D. jBoth jA j& jC
Which jof jthe jfollowing jis jthe jprimary jinteraction jbetween jx-ray jphotons jand jtissue
jduring jcomputed jtomography?
j
A. jBremsstrahlung
B. jCharacteristic
C. jCompton jeffect
D. jCoherent jscatter j- jcorrect janswers j-C
, The jprocess jby jwhich jelectrons jare jproduced jat jthe jcathode jof ja jCT jx-ray jtube jis
jknown jas:
j
A. jrectification
B. janode jheel jeffect
C. jthermionic jemission
D. jisotropic jemission j- jcorrect janswers j-C
The jassignment jof jdifferent jgenerations jto jCT jscanners jis jbased jon jthe jconfiguration
jof jthe:
j
A. jpatient jand jgantry
B. jtube jand jdetectors
C. janode jand jcathode
D. jtube jand jcollimators j- jcorrect janswers j-B
When jone jis jusing ja jthird-generation jCT jscanner, jit jis jimportant jthat jreference
jdetectors jpositioned jat jthe jperipheral jportions jof jthe jdetector jarray jbe jexposed jto:
j
A. jhomogeneous jradiation
B. junattenuated jradiation
C. jmonochromatic jradiation
D. jremnant jradiation j- jcorrect janswers j-D
In j1979, jthe jscientists j__________ jand j__________ jshared jthe jNobel jPrize jfor jtheir
jresearch jin jcomputed jtomography
j
A. jWatson jand jCrick
B. jOlendorf jand jHounsfield
C. jHounsfield jand jCormack
D. jHounsfield jand jAmbrose j- jcorrect janswers j-C
The jtype jof jcompensating jfilter jused jat jthe jx-ray jtube jof ja jCT jscanner jis jcalled ja:
j
A. jkernel
B. jwater jbath
C. jbow-tie jfilter
D. jwedge jfilter j- jcorrect janswers j-C
The jinteraction jbetween jx-ray jand jmatter jthat jis jresponsible jfor jthe jproduction jof jthe
jscatter jradiation jabsorbed jby jthe jpatient jand jdetectors jis:
j
A. jCompton jeffect.
B. jbremsstrahlung.
C. jphotoelectric.
D. jcharacteristic j- jcorrect janswers j-A
The jtypes jof jdetectors jused jin jcomputed jtomography jare:
WITH VERIFIED ANSWERS
Which jof jthe jfollowing jreduces jthe jscatter jradiation jreaching jthe jdetectors?
j
A. jPost-patient jcollimation
B. jPre-patient jcollimation
C. jPre-detector jcollimation
D. jBoth jA j& jC j- jcorrect janswers j-D. jBoth jA j& jC
Which jof jthe jfollowing jis jthe jprimary jinteraction jbetween jx-ray jphotons jand jtissue
jduring jcomputed jtomography?
j
A. jBremsstrahlung
B. jCharacteristic
C. jCompton jeffect
D. jCoherent jscatter j- jcorrect janswers j-C
, The jprocess jby jwhich jelectrons jare jproduced jat jthe jcathode jof ja jCT jx-ray jtube jis
jknown jas:
j
A. jrectification
B. janode jheel jeffect
C. jthermionic jemission
D. jisotropic jemission j- jcorrect janswers j-C
The jassignment jof jdifferent jgenerations jto jCT jscanners jis jbased jon jthe jconfiguration
jof jthe:
j
A. jpatient jand jgantry
B. jtube jand jdetectors
C. janode jand jcathode
D. jtube jand jcollimators j- jcorrect janswers j-B
When jone jis jusing ja jthird-generation jCT jscanner, jit jis jimportant jthat jreference
jdetectors jpositioned jat jthe jperipheral jportions jof jthe jdetector jarray jbe jexposed jto:
j
A. jhomogeneous jradiation
B. junattenuated jradiation
C. jmonochromatic jradiation
D. jremnant jradiation j- jcorrect janswers j-D
In j1979, jthe jscientists j__________ jand j__________ jshared jthe jNobel jPrize jfor jtheir
jresearch jin jcomputed jtomography
j
A. jWatson jand jCrick
B. jOlendorf jand jHounsfield
C. jHounsfield jand jCormack
D. jHounsfield jand jAmbrose j- jcorrect janswers j-C
The jtype jof jcompensating jfilter jused jat jthe jx-ray jtube jof ja jCT jscanner jis jcalled ja:
j
A. jkernel
B. jwater jbath
C. jbow-tie jfilter
D. jwedge jfilter j- jcorrect janswers j-C
The jinteraction jbetween jx-ray jand jmatter jthat jis jresponsible jfor jthe jproduction jof jthe
jscatter jradiation jabsorbed jby jthe jpatient jand jdetectors jis:
j
A. jCompton jeffect.
B. jbremsstrahlung.
C. jphotoelectric.
D. jcharacteristic j- jcorrect janswers j-A
The jtypes jof jdetectors jused jin jcomputed jtomography jare:
