ASLP 4045 Exam #2- Hearing Aids And
HAT Exam With Correct Answers
What care cthe cissues cfaced cby cthose cindividuals cwith chearing closs? c- cCORRECT
cANS✔✔1. cDecreased caudibiility
2. cDecreased cdynamic crange
3. cDecreased cfrequncy cresolution
4. cDecreased ctemporal cresolution
What cdoes cthe cterm cdecreased caudibility cmean? c- cCORRECT cANS✔✔Decreased
csensitivity cto csounds c, cpoor cthresholds c( celevated), creduced caudibility cfor cspeech
csounds
What cdoes cthe cterm cdecreased cdynamic crange cmean? c- cCORRECT
cANS✔✔Decreased cnumber cof cdB clevels cbetween cthe csoftest csound cyou ccan chear
c( cthreshold cof caudibility c) cand cwhen csounds cbecome cpainful c( clevel cof cdiscomfort)
cdecreased crange cof cintensity clevels cthat cyou ccan chear
What cdoes cthe cterm cdecreased cfrequency cresolution cmean? c- cCORRECT
cANS✔✔The cclarity cbetween cfrequencies cis cdecreased, cdecreased cability cto ctell
cone cfrequency capart cfrom canother
What cdoes cthe cterm cdecreased ctemporal cresolution cmean c? c- cCORRECT
cANS✔✔Refers cto ctiming, ctrouble cdetecting c, csensing cthe cpauses cbetween csounds
cand csyllables cwithin cwords, cbetween cwords cin csentence, cand cvoice conset ctime.
cPoor ctemporal cresolution cleads cto cpoor cspeech cunderstanding cbecause cthe cperson
chas ctrouble cdistinguishing cbetween cparts cof cthe csentences cand cwords.
Damage cto cthe couter chair ccells ccauses cwhat c? c- cCORRECT cANS✔✔OHC cdamage
ccauses ca cdecreased csensitivity cfor csoft csounds, c- ccan chear cless cof cthe cspeech
csounds cin chigher cintensities c( cdB clevel)
—-because cthe cOHCs csharpen cthe cpeak cof cthe ctraveling cwave cfor csounds c<40 cdB
c( cthis cmeans cit cwon't cvibrate cthe cbasilar cmembrane caround cthat cspecific cfrequency
c( csound) cas cmuch cso cthat cthe csound ccan cbe cdiscerned cbetter cby cIHC) c, cand cthis
cboosts cthese csounds c( cincreases cthe cgain cfor cthese csounds) cto callow cthe cIHC cto
csense cthese csofter csounds c( cincreases cthe cdisplacement con cthe cbasilar
cmembrane)
How cmany crows cor cOHC cand cIHC cand cwhat chappens cif cthe cOHC cdamaged c? c-
cCORRECT cANS✔✔3 crows cOHC cand cif cthey care cdamaged cdecreased cfrequency
, cresolution cin cthe cfrequencies cassociated cwith cthe carea caround cthe cLevel/part cof
cthe cBM cthat cthose chair ccells cserved, cwould chave ctrouble cdiscriminating cspeech
csounds cand cfrequencies cin che cprescience cof cothers, cand creduced c/decreased
caudibility c( cespecially cof csoft csounds)-
Poor cfrequency cresolution ccan clead cto cwhat c- cCORRECT cANS✔✔Poor ctemporal
cresolution
Without cthe couter chair ccells cwhat ckind cof chearing closs cresults c- cCORRECT
cANS✔✔Moderate ccochlear chearing closs c- ca c40 cto c60 cdB closs c( cbecause cthe
couter chair ccells cboost cfrequencies cthat care csofter)
Electromotillity cof cthe couter chair ccells c- cCORRECT cANS✔✔OHC cincrease cgain cfor
csofter csounds cand cbrain csends csignals cto cthe ccochlea cto cdo cthis, cthe cOHC cact
cas ca ccochlear camplifier cand cthey cincrease cthe cdisplacement con cthe cbasilar
cmembrane cfor csofter csounds
What care cthe chigh cfrequency ccomponents cof cspeech cvs. cthe clow cfrequency
ccomponents cof cspeech? c- cCORRECT cANS✔✔High cfrequency ccomponents c-
cconsonants c( cweaker cor csofter cthan cvowels) c
Low cfrequency ccomponents c- cvowels
High cfrequency cinformation cis cthe cmost ccommonly cmissed
tonotopic corganization cof cthe ccochlea c- cCORRECT cANS✔✔As cyou cstimulate cthe
ccochlea cthe cbasilar cmembrane careas crespond c(vibrate c) cbased con cthe cfrequencies
cthat cvibrates cbest cin cthat cparticular carea cof cthe cmembrane. cBase c- chigh cfrequency
c
Apex- clow cfrequency
Basilar cmembrane cis can coverlapping cseries cof cband cpass cfilters
What chappens cwhen chigh cfrequency cinformation cis cmissed cwhat cresults? c-
cCORRECT cANS✔✔Speech cis caudible c, cbut cnot cintelligible cbecause cthe
cconsonants. c( chigh cfrequency ccomponents chelp cto cmake cspeech cmeaningful) c,
cdecreased cintelligibility cof cwords
For c90 cpercent cof cadults cand c75 cpercent cof cchildren cwith chearing closs c, cdegree cof
cimpairment cworsens cin cwhich cfrequency crange c- cCORRECT cANS✔✔500- c4K cHZ
OHC closs cresults cin c- cCORRECT cANS✔✔Attenuation, cDecreased cvolume cof csoft
csounds, cdecreased caudibility/sensitivity
IHC cdamage cresults cin c- cCORRECT cANS✔✔Distortion c, closs cof cclarity c, cdistorts
csignal ccompletely
Combination cof cOHC cand cIHC closs c- cCORRECT cANS✔✔Distortion, closs cof
csensitivity cand cclarity
HAT Exam With Correct Answers
What care cthe cissues cfaced cby cthose cindividuals cwith chearing closs? c- cCORRECT
cANS✔✔1. cDecreased caudibiility
2. cDecreased cdynamic crange
3. cDecreased cfrequncy cresolution
4. cDecreased ctemporal cresolution
What cdoes cthe cterm cdecreased caudibility cmean? c- cCORRECT cANS✔✔Decreased
csensitivity cto csounds c, cpoor cthresholds c( celevated), creduced caudibility cfor cspeech
csounds
What cdoes cthe cterm cdecreased cdynamic crange cmean? c- cCORRECT
cANS✔✔Decreased cnumber cof cdB clevels cbetween cthe csoftest csound cyou ccan chear
c( cthreshold cof caudibility c) cand cwhen csounds cbecome cpainful c( clevel cof cdiscomfort)
cdecreased crange cof cintensity clevels cthat cyou ccan chear
What cdoes cthe cterm cdecreased cfrequency cresolution cmean? c- cCORRECT
cANS✔✔The cclarity cbetween cfrequencies cis cdecreased, cdecreased cability cto ctell
cone cfrequency capart cfrom canother
What cdoes cthe cterm cdecreased ctemporal cresolution cmean c? c- cCORRECT
cANS✔✔Refers cto ctiming, ctrouble cdetecting c, csensing cthe cpauses cbetween csounds
cand csyllables cwithin cwords, cbetween cwords cin csentence, cand cvoice conset ctime.
cPoor ctemporal cresolution cleads cto cpoor cspeech cunderstanding cbecause cthe cperson
chas ctrouble cdistinguishing cbetween cparts cof cthe csentences cand cwords.
Damage cto cthe couter chair ccells ccauses cwhat c? c- cCORRECT cANS✔✔OHC cdamage
ccauses ca cdecreased csensitivity cfor csoft csounds, c- ccan chear cless cof cthe cspeech
csounds cin chigher cintensities c( cdB clevel)
—-because cthe cOHCs csharpen cthe cpeak cof cthe ctraveling cwave cfor csounds c<40 cdB
c( cthis cmeans cit cwon't cvibrate cthe cbasilar cmembrane caround cthat cspecific cfrequency
c( csound) cas cmuch cso cthat cthe csound ccan cbe cdiscerned cbetter cby cIHC) c, cand cthis
cboosts cthese csounds c( cincreases cthe cgain cfor cthese csounds) cto callow cthe cIHC cto
csense cthese csofter csounds c( cincreases cthe cdisplacement con cthe cbasilar
cmembrane)
How cmany crows cor cOHC cand cIHC cand cwhat chappens cif cthe cOHC cdamaged c? c-
cCORRECT cANS✔✔3 crows cOHC cand cif cthey care cdamaged cdecreased cfrequency
, cresolution cin cthe cfrequencies cassociated cwith cthe carea caround cthe cLevel/part cof
cthe cBM cthat cthose chair ccells cserved, cwould chave ctrouble cdiscriminating cspeech
csounds cand cfrequencies cin che cprescience cof cothers, cand creduced c/decreased
caudibility c( cespecially cof csoft csounds)-
Poor cfrequency cresolution ccan clead cto cwhat c- cCORRECT cANS✔✔Poor ctemporal
cresolution
Without cthe couter chair ccells cwhat ckind cof chearing closs cresults c- cCORRECT
cANS✔✔Moderate ccochlear chearing closs c- ca c40 cto c60 cdB closs c( cbecause cthe
couter chair ccells cboost cfrequencies cthat care csofter)
Electromotillity cof cthe couter chair ccells c- cCORRECT cANS✔✔OHC cincrease cgain cfor
csofter csounds cand cbrain csends csignals cto cthe ccochlea cto cdo cthis, cthe cOHC cact
cas ca ccochlear camplifier cand cthey cincrease cthe cdisplacement con cthe cbasilar
cmembrane cfor csofter csounds
What care cthe chigh cfrequency ccomponents cof cspeech cvs. cthe clow cfrequency
ccomponents cof cspeech? c- cCORRECT cANS✔✔High cfrequency ccomponents c-
cconsonants c( cweaker cor csofter cthan cvowels) c
Low cfrequency ccomponents c- cvowels
High cfrequency cinformation cis cthe cmost ccommonly cmissed
tonotopic corganization cof cthe ccochlea c- cCORRECT cANS✔✔As cyou cstimulate cthe
ccochlea cthe cbasilar cmembrane careas crespond c(vibrate c) cbased con cthe cfrequencies
cthat cvibrates cbest cin cthat cparticular carea cof cthe cmembrane. cBase c- chigh cfrequency
c
Apex- clow cfrequency
Basilar cmembrane cis can coverlapping cseries cof cband cpass cfilters
What chappens cwhen chigh cfrequency cinformation cis cmissed cwhat cresults? c-
cCORRECT cANS✔✔Speech cis caudible c, cbut cnot cintelligible cbecause cthe
cconsonants. c( chigh cfrequency ccomponents chelp cto cmake cspeech cmeaningful) c,
cdecreased cintelligibility cof cwords
For c90 cpercent cof cadults cand c75 cpercent cof cchildren cwith chearing closs c, cdegree cof
cimpairment cworsens cin cwhich cfrequency crange c- cCORRECT cANS✔✔500- c4K cHZ
OHC closs cresults cin c- cCORRECT cANS✔✔Attenuation, cDecreased cvolume cof csoft
csounds, cdecreased caudibility/sensitivity
IHC cdamage cresults cin c- cCORRECT cANS✔✔Distortion c, closs cof cclarity c, cdistorts
csignal ccompletely
Combination cof cOHC cand cIHC closs c- cCORRECT cANS✔✔Distortion, closs cof
csensitivity cand cclarity
