NBC-HIS Sample Board questions and accurate answers

NBC-HIS Sample Board questions
x x x




ThexMOSTxcommonxcausexofxsuddenxlossxofxhearingxatx4000Hzxis:
A.xPresbycusis
B.xNoisexinduced
C.xAcousticxtrauma
D.xAcousticxneuromaxanswerx-xC.xAcousticxtraumax

Duringxthexcoursexofxtakingxaxcasexhistory,xwhichxofxthexfollowingxinformationxis
LEASTximportant?
A.xAnyxunilateralxtinnitusxexperienced
B.xAnyxvertigoxsymptoms
C.xConcussionxinxthexpreviousxsixxmonths
D.xSuddenxhearingxLossxanswerx-xC.xConcussionxinxthexpreviousxsixxmonthsx

Axyoungerxmotherxcomesxinxconcernedxthatxherxhearingxhasxgonexdown.xIn
takingxherxhistory,xit'sxfoundxthatxherxmotherxalsoxdevelopedxaxhearingxlossxafter
thexbirthxofxherxfirstxchild.xWhatxwouldxbexthexMOSTxprobablexetiologyxofxthis
problem?
A.xCholesteatoma
B.xOtitisxmedia
C.xMeniere'sxdisease
D.xOtosclerosisxxanswerx-xD.xOtosclerosisx

WhichxofxthexfollowingxconditionsxwouldxNOTxbexaxconcernxinxestablishingxaxpure
tonexairxconductionxthreshold?
A.xCollapsedxeternalxauditoryxmeatus
B.xCongenitalxatresia
C.xOtosclerosis
D.xImpactedxcerumenxanswerx-xC.xOtosclerosisx

WhichxofxthexfollowingxstatementsxisxFALSExwhenxtalkingxaboutxaudiometric
testing?
A.xHeadphonesxandxinsertxearphonesxshouldxproducexcomparablexresults
B.xBonexconductorxplacementxcanxaffectxthextestxresults
C.xInsertxearphonesxcanxgivexmorexaccuratexresultsxwhenxtestingxaxcollapsed
earxcanal
D.xAmbientxnoisexisxmorexofxaxproblemxwithxinsertxearphonesxanswerx-x
D.xAmbientxnoisexisxmorexofxaxproblemxwithxinsertxearphonesx

Axlargexdipxatx6000xHzxinxonexearxonly,xwithxaxpositivextonexdecay,xisxindicativexof:
A.xAcutexotitisxmedia
B.xIndustrialxdeafness
C.xAxpossiblexretroxcochlearxtumor
D.xAcousticxtraumaxanswerx-xC.xAxpossiblexretrocochlearxtumorx

, Axpatientxwhoxhasxwornxhearingxaidsxforxaxlongxtimexreportsxtoxyourxofficexsaying
thatxhisxearsxarex"stoppedxup."xHexrecentlyxhadxaxcold.
WhichxofxthexfollowingxwillxgivexthexMOSTxinformationxaboutxthisxpatient's
complaint?
A.xRealxearxmeasurement
B.xImpedancexaudiometry
C.xPurextonexairxconductionxaudiometry
D.xPurextonexbonexconductionxaudiometryxanswerx-xB.xImpedancexaudiometryx

Whenxtroubleshootingxaxhearingxinstrument,xthexbatteryxcurrentxdrainxwas
measured.
Axreadingxofx0.00xMAxwouldxMOSTxlikelyxindicatexwhichxofxthexfollowing?
A.xBadxmicrophone
B.xBadxreceiver
C.xPluggedxacousticxfilter
D.xDeadxinstrumentxxanswerx-xD.xDeadxinstrumentx

WhichxprogrammablexadjustmentxwouldxBESTxhelpxcontrolxloudxsharpxsounds?
A.xAdjustxthexkneexpointxhigher
B.xReducexlowxfrequencies
C.xIncreasexthexcompressionxratio
D.xReducexgainxanswerx-xC.xIncreasexthexcompressionxratiox

Duringxotoscopicxinspection,xwhichxONExofxthexfollowingxisxNOTxaxconsideration
forxearmoldxselection?
A.xVolumexofxacousticxcavity
B.xTexturexofxauricle
C.xCompliancexofxthextympanum
D.xDepthxofxconchaxanswerx-xC.xCompliancexofxthextympanumx

Axproblemxthatxmayxbexcausedxbyxshrinkingxearmoldxtubingxis:
A.xHarmonicxdistortion
B.xChangingxresponsexofxthexinstrument
C.xIncreasingxgain
D.xSorenessxatxtopxofxpinnaxanswerx-xD.xSorenessxatxtopxofxpinnaxx

AxhearingxaidxpatientxcomesxinxcomplainingxthatxhisxITCxaidsxwerexworkingxfine
untilxhexhadxthemxcleaned.xNowxtheyxarexweakxandxfeedingxbackxandxhexisxtoldxthe
aidsxwillxhavextoxbexsentxinxforxanxout-of-warrantyxrepair,xorxpurchasexnewxaids.xWhatxis
thexMOSTxlikelyxcausexofxthexproblem?
A.xDebrisxinxmicrophone
B.xMicrophonexpushedxin
C.xReceiverxtubingxpushedxin