Correct Answers
diagnosticAmedicalAsonography,Aultrasound,Aechosonography,AandAultrasonograp
hyA-AAnswerAwhatAareAfourAtermsAusedAtoAdescribeAtheAuseAofAhigh-
frequencyAsoundsAwavesAinAmedicalAimaging?
ultrasoundA-
AAnswerA_______:ArefersAtoAsoundAthatAisAwellAaboveAtheAhumanArangeAofA
hearingAthatAisAusedAinAmedicineAtoAdiagnoseAandAassessAhealthyAandAabnor
malAstructures,Avessels,AorAorgansAinsideAtheAbody.
sonographyA-
AAnswerAinAdiagnosticAimaging,A_______AisAtheApreferredAtermAtoAdescribeAt
heAuseAofAsoundAinAtheArangeAofA1AtoA20AMHzAorAgreaterAforApatientAimagi
ng.
transducerA-
AAnswerAsonographyAequipmentAcreatesAwavesAofAenergyAwhenAanAelectricalAv
oltageAisAappliedAtoAtheAceramicAelementAhousedAinsideAtheA_______
receiverA-
AAnswerAtheAtransducerAactsAasAaA_______AthatAprocessesAtheAechoesAreturni
ngAfromAinsideAtheAbody.
compositeA-
AAnswerAtheAreceivedAechoesAwithinAtheAbodyAcreateAaA______AimageAthatAis
AdisplayedAinArealAtimeAonAaAmonitorAtoAbeAviewed,Asaved,AandAstored.
greaterA-
AAnswerAlowerAfrequencyAtransducersApermitA______ApenetrationAforAimaging
AorgansAsuchAasAtheAliver.
, sharperA-
AAnswerAhigherAfrequencyAtransducersAallowAaA______AimageAforAsuperficialA
structuresAsuchAasAbreastAtissue.
general,Aechocardiography,AandAvascularA-
AAnswerAdiagnosticAsonographyAhasAwhatAthreeAmajorAimagingAspecialtyAarea
s?
obstetricsAandApediatricsA-
AAnswerAsonographyAisAaApreferredAmodalityAforAimagingAinA_______AandA_
_______Ab/cAitAcanAbeAperformedAquicklyAandAeffectivelyAtoAobtainAaAdiagno
sisAandAdoesAnotAuseAionizingAradiation.
militaryA-
AAnswerAmedicalAapplicationsAforAimagingAemergedAfromAtheA_______
soundAnavigationAandArangingA-
AAnswerAduringAWWI,AdetectionAofAsubmarinesAunderwaterAusingAhighAfrequen
cyAsoundAwasAdevelopedAandAtermedA_____A_____AandA______A(SONAR)
a-modeAorAamplitudeAmodeA-
AAnswerAtheAfirstA______AultrasoundAunitAwasAbuiltAinAtheAearlyA1950s.AItA
displayedAtheAintensityAofAblipsAonAaAscreenAtoAdetermineAwhatAanatomicAstru
cturesAwereAbeingAimagedAfromAtheAreturningAechoAinformationAthatAcameAbac
kAdeepAwithinAtheAbody
brigtnessAmodeA,patient-modeA-
AAnswerAtheAgrowthAofAultrasoundAcontinuedAinAtheA1960sAandAequipmentAm
aturedAwithA_____Amode.A_______AmodeAdisplayedAaAseriesAofAdotsAonAaAsc
reenAthatArepresentedAvaryingAshadesAofAgrayAorA"grayAscale".ATheseAdotsAde
terminedAwhetherAaAstructureAinsideAtheApatientAwasAsolidAsuchAasAtheAliverA
orAfluid-filledAsuchAasAtheAbladder.
real-time,AMA-AAnswerAinAtheA1970s,Ab-
modeAimagingAmovedAtoAaAnewAeraAasAimagesAinAtwoAdimensitionsAwereArec