DMS-101 EXAM 1 (ALL) QUESTIONS
WITH COMPLETE ANSWERS
What jjis jjsound? jj- jjAnswer jjA jjwave jjwhich jjis jjcreated jjby jjvibrating jjobjects jjand
jjpropagated jjthrough jja jjmedium jjfrom jjone jjlocation jjto jjanother
Can jjsound jjtravel jjin jja jjvacuum? jj- jjAnswer jjNo
What jjis jjultrasound? jj- jjAnswer jjSound jjthat jjhas jja jjfrequency jjbeyond jjthe jjlimits jjof
jjperception jjby jjthe jjhuman jjear
What jjis jjthe jjrange jjof jjhuman jjhearing? jj- jjAnswer jj20 jjHz-20,000 jjHz
What jjis jjthe jjrange jjof jjinfrasound? jj- jjAnswer jj<20 jjHz
What jjis jjthe jjrange jjof jjultrasound? jj- jjAnswer jj>20,000 jjHz
What jjis jjecholocation? jj- jjAnswer jjThe jjuse jjof jjultrasound jjat jjvarious jjfrequencies jjto
jjlocate jjand jjidentify jjobjects jjin jjthe jjwater jjand jjair
What jjis jjdiagnostic jjultrasound? jj- jjAnswer jja jjdiagnostic jjprocedure jjthat jjuses jjhigh
jjfrequency jjsound jjwaves jjto jjimage jjorgans, jjmasses, jjand jjfluid jjcollections jjin jjthe
jjbody
Who jjdiscovered jjthe jjpiezoelectric jjeffect? jj- jjAnswer jjPierre jjand jjJacques jjCurie jjin
jj1880
Who jjis jjPaul jjLangevin? jj- jjAnswer jjFrench jjphysicist, jjbegan jjdeveloping jjsonar
jjdevices jjto jjlocate jjsubmarines jjin jjWWI- jjdeveloped jjthe jjhydrophone jjin jj1915
What jjwas jjUltrasound jjused jjfor jjin jjthe jj1930s-1940s? jj- jjAnswer jjTo jjdectect jjflaws jjin
jjmetal
Who jjis jjKarl jjTherodore jjDussik? jj- jjAnswer jjfirst jjphysician jjto jjemploy jjultrasound jjin
jjmedical jjdiagnosis jjin jj1940
What jjhappened jjin jj1960? jj- jjAnswer jjThe jjfirst jjcommercially jjavailable jjultrasound
jjscanner jjwas jjdeveloped
, Name jj3 jjtypes jjof jjdisplay jjmodes jj- jjAnswer jjA-mode, jjB-mode, jjM-mode
What jjis jjA-mode? jj- jjAnswer jjAmplitude jjmode, jjamplitude jjis jjdisplayed jjas jja jjvertical
jjdeflection jjof jjthe jjbaseline
What jjis jjB-mode? jj- jjAnswer jjBrightness jjmode, jjecho jjsignals jjdisplayed jjas jja jjdot jjon
jja jjscreen, jjbrightness jjof jjthe jjdot jjproportional jjto jjthe jjecho jjsignal jjamplitude
What jjis jjreal jjtime jjimaging? jj- jjAnswer jjLive jjImaging, jjfunction jjof jjB-mode, jjimage jjis
jjproduced jjby jjsweeping jjthe jjbeam jjover jjthe jjtissue jjof jjinterest jjelectronically, jjframes
jjare jjrapidly jjreplaced jjcreating jja jj"motion jjpicture"
What jjis jjM-mode? jj- jjAnswer jjMotion jjmode jjOR jjtime-motion jjmode, jjgenerated jjby jja
jjslowly jjsweeping jjb-mode jjtrace jjacross jja jjscreen jjas jja jjfunction jjof jjtime
Linear jjProbe jj- jjAnswer jjUsed jjto jjsee jjvessels, jjappendicitis, jjscrotal
Curved jjProbe jj- jjAnswer jjUsed jjto jjsee jjbig jjorgans, jjthyroid, jjused jjmost jjoften
Vector jjProbe jj- jjAnswer jjUsed jjto jjget jjin jjbetween jjribs
Transvaginal jjProbe jj- jjAnswer jjUsed jjto jjdo jjrectal jjand jjtransvaginal jjexams
When jjthe jjultrasound jjfrequency jjis jjhigh, jjthe jjresolution... jj- jjAnswer jjis jjbetter jjbut jjit
jjdoesn't jjpenetrate jjas jjfar
When jjthe jjultrasound jjfrequency jjis jjlow, jjthe jjresolution... jj- jjAnswer jjpenetrates jjmore
jjbut jjis jjgrainy
What jjis jjthe jjPiezoelectric jjPrinciple? jj- jjAnswer jjA jjproperty jjof jjcertain jjmaterials jjto
jjcreate jja jjvoltage jjwhen jjthey jjare jjmechanically jjdeformed
Casing jj- jjAnswer jjWhat jjis jj1
Electrode jj- jjAnswer jjWhat jjis jj2
Matching jj- jjAnswer jjWhat jjis jj3
Crystal jj- jjAnswer jjWhat jjis jj4
Backing jj- jjAnswer jjWhat jjis jj5
How jjdoes jjsound jjtravel? jj- jjAnswer jjAs jja jjmechanical, jjlongitudinal jjwave
Can jjsound jjtravel jjthrough jja jjvacuum? jj- jjAnswer jjNo
WITH COMPLETE ANSWERS
What jjis jjsound? jj- jjAnswer jjA jjwave jjwhich jjis jjcreated jjby jjvibrating jjobjects jjand
jjpropagated jjthrough jja jjmedium jjfrom jjone jjlocation jjto jjanother
Can jjsound jjtravel jjin jja jjvacuum? jj- jjAnswer jjNo
What jjis jjultrasound? jj- jjAnswer jjSound jjthat jjhas jja jjfrequency jjbeyond jjthe jjlimits jjof
jjperception jjby jjthe jjhuman jjear
What jjis jjthe jjrange jjof jjhuman jjhearing? jj- jjAnswer jj20 jjHz-20,000 jjHz
What jjis jjthe jjrange jjof jjinfrasound? jj- jjAnswer jj<20 jjHz
What jjis jjthe jjrange jjof jjultrasound? jj- jjAnswer jj>20,000 jjHz
What jjis jjecholocation? jj- jjAnswer jjThe jjuse jjof jjultrasound jjat jjvarious jjfrequencies jjto
jjlocate jjand jjidentify jjobjects jjin jjthe jjwater jjand jjair
What jjis jjdiagnostic jjultrasound? jj- jjAnswer jja jjdiagnostic jjprocedure jjthat jjuses jjhigh
jjfrequency jjsound jjwaves jjto jjimage jjorgans, jjmasses, jjand jjfluid jjcollections jjin jjthe
jjbody
Who jjdiscovered jjthe jjpiezoelectric jjeffect? jj- jjAnswer jjPierre jjand jjJacques jjCurie jjin
jj1880
Who jjis jjPaul jjLangevin? jj- jjAnswer jjFrench jjphysicist, jjbegan jjdeveloping jjsonar
jjdevices jjto jjlocate jjsubmarines jjin jjWWI- jjdeveloped jjthe jjhydrophone jjin jj1915
What jjwas jjUltrasound jjused jjfor jjin jjthe jj1930s-1940s? jj- jjAnswer jjTo jjdectect jjflaws jjin
jjmetal
Who jjis jjKarl jjTherodore jjDussik? jj- jjAnswer jjfirst jjphysician jjto jjemploy jjultrasound jjin
jjmedical jjdiagnosis jjin jj1940
What jjhappened jjin jj1960? jj- jjAnswer jjThe jjfirst jjcommercially jjavailable jjultrasound
jjscanner jjwas jjdeveloped
, Name jj3 jjtypes jjof jjdisplay jjmodes jj- jjAnswer jjA-mode, jjB-mode, jjM-mode
What jjis jjA-mode? jj- jjAnswer jjAmplitude jjmode, jjamplitude jjis jjdisplayed jjas jja jjvertical
jjdeflection jjof jjthe jjbaseline
What jjis jjB-mode? jj- jjAnswer jjBrightness jjmode, jjecho jjsignals jjdisplayed jjas jja jjdot jjon
jja jjscreen, jjbrightness jjof jjthe jjdot jjproportional jjto jjthe jjecho jjsignal jjamplitude
What jjis jjreal jjtime jjimaging? jj- jjAnswer jjLive jjImaging, jjfunction jjof jjB-mode, jjimage jjis
jjproduced jjby jjsweeping jjthe jjbeam jjover jjthe jjtissue jjof jjinterest jjelectronically, jjframes
jjare jjrapidly jjreplaced jjcreating jja jj"motion jjpicture"
What jjis jjM-mode? jj- jjAnswer jjMotion jjmode jjOR jjtime-motion jjmode, jjgenerated jjby jja
jjslowly jjsweeping jjb-mode jjtrace jjacross jja jjscreen jjas jja jjfunction jjof jjtime
Linear jjProbe jj- jjAnswer jjUsed jjto jjsee jjvessels, jjappendicitis, jjscrotal
Curved jjProbe jj- jjAnswer jjUsed jjto jjsee jjbig jjorgans, jjthyroid, jjused jjmost jjoften
Vector jjProbe jj- jjAnswer jjUsed jjto jjget jjin jjbetween jjribs
Transvaginal jjProbe jj- jjAnswer jjUsed jjto jjdo jjrectal jjand jjtransvaginal jjexams
When jjthe jjultrasound jjfrequency jjis jjhigh, jjthe jjresolution... jj- jjAnswer jjis jjbetter jjbut jjit
jjdoesn't jjpenetrate jjas jjfar
When jjthe jjultrasound jjfrequency jjis jjlow, jjthe jjresolution... jj- jjAnswer jjpenetrates jjmore
jjbut jjis jjgrainy
What jjis jjthe jjPiezoelectric jjPrinciple? jj- jjAnswer jjA jjproperty jjof jjcertain jjmaterials jjto
jjcreate jja jjvoltage jjwhen jjthey jjare jjmechanically jjdeformed
Casing jj- jjAnswer jjWhat jjis jj1
Electrode jj- jjAnswer jjWhat jjis jj2
Matching jj- jjAnswer jjWhat jjis jj3
Crystal jj- jjAnswer jjWhat jjis jj4
Backing jj- jjAnswer jjWhat jjis jj5
How jjdoes jjsound jjtravel? jj- jjAnswer jjAs jja jjmechanical, jjlongitudinal jjwave
Can jjsound jjtravel jjthrough jja jjvacuum? jj- jjAnswer jjNo
