DAVIES SPI REVIEW QUESTIONS AND CORRECT ANSWERS

DAVIES SPI REVIEW QUESTIONS AND
CORRECT ANSWERS
WhatA2actionA2belowA2wouldA2beA2mostA2inA2keepingA2withA2theA2ALARAA2principleA2while
A2performingA2aA2diagnosticA2ultrasoundA2examination?
A:A2AllowA2multipleA2studentsA2toA2scanA2anA2obstetricalA2patientA2becauseA2theA2fetusA2is
A2inA2aA2goodA2positionA2forA2imaging.A2
B:A2ProlongA2theA2sonogramA2toA2makeA2videosA2ofA2theA2fetusA2forA2eachA2familyA2memb
er.A2
C:A2CompleteA2theA2diagnosticA2scanA2inA2aA2timelyA2fashionA2atA2theA2lowestA2outputA2po
werA2thatA2achievesA2aA2qualityA2image.A2
D:A2MaximizeA2theA2acousticA2outputA2toA2brightenA2theA2overallA2image.A2
E:A2ExtendA2theA2sonogramA2beyondA2theA2intendedA2scopeA2ofA2theA2examA2requisition.A
2-A2Ans--
C:A2CompleteA2theA2diagnosticA2scanA2inA2aA2timelyA2fashionA2atA2theA2lowestA2outputA2po
werA2thatA2achievesA2aA2qualityA2image.

WhatA2doesA2theA2ALARAA2principleA2standA2for?A2-A2Ans--
AsA2LowA2AsA2ReasonableA2Achievable

DuringA2performanceA2ofA2anA2obstetricalA2ultrasoundA2examA2youA2adjustA2theA2systemA2
parametersA2toA2improveA2theA2image.A2WhichA2ofA2theA2followingA2parametersA2wouldA2i
ncreaseA2acousticA2exposure?A2
A:A2IncreaseA2gainA2
B:A2IncreaseA2TGCA2
C:A2IncreaseA2frequencyA2
D:A2IncreaseA2transmitA2powerA2
E:A2IncreaseA2frameA2averagingA2-A2Ans--D:A2IncreaseA2transmitA2power

WhileA2performingA2aA2sonogramA2toA2minimizeA2riskA2toA2theA2fetusA2whichA2imagingA2m
odeA2tradeA2offA2wouldA2beA2mostA2applicable?
A:A2UseA2M-modeA2insteadA2ofA2pulsed-
waveA2DopplerA2toA2measureA2theA2fetalA2heartA2rate.A2
B:A2UseA2colorA2DopplerA2insteadA2ofA2powerA2DopplerA2toA2imageA2theA2umbilicalA2cord.A
2
C:A2UseA2pulsed-
waveA2DopplerA2insteadA2ofA2powerA2DopplerA2toA2evaluateA2theA2fetalA2heart.A2
D:A2UseA2harmonicsA2insteadA2ofA2fundamentalA2toA2imageA2theA2fetalA2spine.A2
E:A2AllA2ofA2theA2above.A2-A2Ans--A:A2UseA2M-modeA2insteadA2ofA2pulsed-
waveA2DopplerA2toA2measureA2theA2fetalA2heartA2rate.

Gain,A2TGC,A2andA2frameA2averagingA2doA2notA2affectA2_______A2andA2thereforeA2doA2not
A2affectA2_______.A2-A2Ans---SoundA2transmissionA2
-Exposure

,TA2orA2F:A2IncreasingA2frequencyA2doesA2notA2increaseA2exposure.A2-A2Ans--True

WhatA2potentialA2bioeffectA2occursA2throughA2absorptionA2ofA2soundA2energyA2byA2tissue?
A:A2Cavitation
B:A2HeatingA2
C:A2AttenuationA2
D:A2ReflectionA2
E:A2RefractionA2-A2Ans--B:A2Heating

WhenA2practicingA2universalA2precautionsA2youA2shouldA2doA2allA2ofA2theA2followingA2EXC
EPT:
A:A2WearA2glovesA2whenA2thereA2isA2aA2potentialA2forA2contactA2withA2patientA2bodilyA2fluid
s.A2
B:A2ChangeA2glovesA2whenA2movingA2fromA2oneA2patientA2toA2another.A2
C:A2WashA2handsA2immediatelyA2afterA2glovesA2areA2removed.A2
D:A2WearA2faceA2masksA2orA2eyeA2protectionA2wheneverA2thereA2isA2aA2possibilityA2ofA2blo
odA2splashingA2intoA2yourA2face.A2
E:A2WashA2glovesA2betweenA2examsA2forA2re-useA2fromA2oneA2patientA2toA2another.A2-
A2Ans--E:A2WashA2glovesA2betweenA2examsA2forA2RE-
useA2fromA2oneA2patientA2toA2another.

AA2nosocomialA2infectionA2isA2definedA2asA2oneA2thatA2is:A2
A:A2ResistantA2toA2antibioticsA2
B:A2RestrictedA2toA2theA2respiratoryA2systemA2
C:A2Hospital-acquiredA2
D:A2NotA2contagiousA2
E:A2RequiresA2isolationA2-A2Ans--C:A2Hospital-acquired

ThermallyA2inducedA2biologicalA2effectsA2shouldA2beA2preventableA2byA2avoidingA2aA2local
A2tissueA2temperatureA2increaseA2exceeding:A2
A:A21A2degreeA2CA2
B:A24A2degreesA2C
C:A210A2degreesA2C
D:A295A2degreesA2FA2
E:A2None;A2thermalA2effectsA2haveA2noA2threshold.A2-A2Ans--A:A21A2degreeA2C

WhichA2intensityA2descriptorA2hasA2theA2lowestA2numericalA2valueA2forA2theA2characterizat
ionA2ofA2aA2pulsed-waveA2ultrasonicA2field?
A:A2SATAA2
B:A2SPTAA2
C:A2SATPA2
D:A2SPTPA2
E:A2TheseA2intensityA2descriptorsA2areA2onlyA2usedA2forA2continuous-waveA2ultrasound.A2-
A2Ans--A:A2SATA


IncreasedA2tissueA2heatingA2couldA2occurA2whenA2you:A2

,A:A2DecreaseA2frequency.A2
B:A2IncreaseA2transmitA2power.A2
C:A2DecreaseA2exposureA2time.A2
D:A2DecreaseA2pulseA2repetitionA2frequency.A2
E:A2AllA2ofA2theA2aboveA2-A2Ans--B:A2IncreaseA2transmitA2power.

AA2studyA2designedA2toA2determineA2ifA2thereA2isA2anA2associationA2betweenA2anA2advers
eA2effectA2inA2aA2populationA2andA2exposureA2toA2aA2particularA2agentA2isA2a(n):A2
A:A2CaseA2reportA2
B:A2EpidemiologicalA2studyA2
C:A2InA2vitroA2studyA2
D:A2InA2vivoA2studyA2
E:A2Single-incidentA2investigationA2-A2Ans--B:A2EpidemiologicalA2study

WhichA2ofA2theA2followingA2actionsA2isA2NOTA2compliantA2withA2HIPAA?
A:A2CroppingA2allA2patientA2identifiersA2fromA2imagesA2usedA2forA2teachingA2purposes.A2
B:A2RefrainingA2fromA2disclosingA2patientA2healthA2informationA2withoutA2properA2authoriz
ation.A2
C:A2ReviewingA2yourA2neighborsA2medicalA2studiesA2onA2yourA2hospitalA2PACSA2systemA2
soA2youA2canA2giveA2herA2yourA2opinionA2ofA2herA2condition.A2
D:A2CoveringA2yourA2dailyA2requisitionA2listA2soA2thatA2theA2namesA2areA2notA2visibleA2toA2p
atientsA2andA2visitors.A2
E:A2AllA2ofA2theseA2actionsA2areA2compliantA2withA2HIPAA.A2-A2Ans--
C:A2ReviewingA2yourA2neighborsA2medicalA2studiesA2onA2yourA2hospitalA2PACSA2systemA2
soA2youA2canA2giveA2herA2yourA2opinionA2ofA2herA2condition.

WhatA2doesA2HIPAAA2standA2for?A2-A2Ans--
TheA2HealthA2InsuranceA2PortabilityA2andA2AccountabilityA2Act

WhatA2doesA2mechanicalA2indexA2indicateA2onA2anA2ultrasoundA2system?
A:A2TheA2maximumA2temperatureA2increaseA2inA2tissue
B:A2TheA2minimumA2temperatureA2increaseA2inA2tissueA2
C:A2AcousticA2powerA2inA2milliwattsA2
D:A2TheA2liklihoodA2ofA2cavitationA2duringA2anA2ultrasoundA2examA2
E:A2MinutesA2ofA2exposureA2timeA2beforeA2tissueA2heatingA2isA2tooA2greatA2-A2Ans--
D:A2TheA2liklihoodA2ofA2cavitationA2duringA2anA2ultrasoundA2exam.

InA2medicineA2whatA2doA2theA2initialsA2"PHI"A2indicate?
A:A2PrivateA2healthA2indicatorA2
B:A2PersonalA2heartA2indexA2
C:A2PersonalA2healthA2information
D:A2PrivateA2healthA2instituteA2
E:A2ProtectedA2healthA2informationA2-A2Ans--E:A2ProtectedA2healthA2information

WhatA2shouldA2youA2limitA2whenA2theA2thermalA2indexA2exceedsA21?
A:A2OverallA2gain

, B:A2TGC
C:A2ExposureA2timeA2
D:A2ScanningA2depthA2
E:A2AllA2ofA2theA2aboveA2-A2Ans--C:A2ExposureA2time

ToA2practiceA2theA2ALARAA2principleA2whichA2ofA2theA2followingA2techniquesA2shouldA2you
A2employ?
A:A2AlwaysA2useA2theA2leastA2amountA2ofA2RecieverA2gainA2thatA2allowsA2adequateA2tissu
eA2visualization.A2
B:A2AdjustA2theA2controlsA2soA2thatA2theA2MIA2andA2TIA2readA2outsA2exceedA21.A2
C:A2UseA2theA2lowestA2transmitA2powerA2thatA2allowsA2adequateA2tissueA2visualization.A2
D:A2UseA2theA2highestA2frameA2averagingA2setting.A2
E:A2MaximizeA2exposureA2time.A2-A2Ans--
C:A2UseA2theA2lowestA2transmitA2powerA2thatA2allowsA2adequateA2tissueA2visualization.

TheA2thermalA2indexA2indicates:A2
A:A2EstimatedA2maximumA2temperatureA2increaseA2inA2tissue
B:A2MinutesA2ofA2exposureA2timeA2beforeA2heatingA2isA2tooA2greatA2
C:A2SecondsA2ofA2exposureA2timeA2beforeA2heatingA2isA2tooA2greatA2
D:A2AcousticA2powerA2inA2milliwattsA2
E:A2LiklihoodA2ofA2cavitationA2-A2Ans--
A:A2EstimatedA2maximumA2temperatureA2increaseA2inA2tissue.

WhichA2operatorA2controlA2mostA2directlyA2adjustsA2theA2intensityA2ofA2theA2transmittedA2p
ulse?A2
A:A2ReceiverA2gain
B:A2DepthA2ofA2scanningA2
C:A2AcousticA2outputA2(transmit)A2power
D:A2TimeA2gainA2compensationA2(TGC)
E:A2PulseA2repetitionA2frequencyA2-A2Ans--C:A2AcousticA2outputA2(transmit)A2power

WhichA2ofA2theA2followingA2wouldA2showA2theA2highestA2intensityA2value?
A:A2SATP
B:A2SATAA2
C:A2Im
D:A2SPPAA2
E:A2SPTPA2-A2Ans--E:A2SPTP

WhichA2intensityA2parameterA2isA2notA2applicableA2forA2continuous-waveA2ultrasound?A2
A:A2SATAA2
B:A2SPTAA2
C:A2SPPAA2
D:A2SAPAA2
E:A2CA2andA2DA2-A2Ans--E:A2CA2andA2D

WhichA2ofA2theA2followingA2wouldA2mostA2likelyA2haveA2theA2highestA2SPTAA2value?