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EEG Review Questions 1-150 Exam Questions and Answers
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EEG Review Questions 1-150 Exam Questions and Answers
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EEG Review Questions 1-150 ExamQuestions and Answers
1. iiThe iibasic iiunit iifor iimeasuring iicurrent iiflow iiis ii____. ii
a. iiatomic iiweight
b. iiCoulomb ii
c. iiVolt
d. iiAmpere ii- iiAnswers ii-D. iiAmpere
2. iiThe iibasic iiunit iiof iiresistance iiis ii____. ii
a. iiOhm
b. iiCoulomb ii
c. iiAmpere ii
d. iiVolt ii- iiAnswers ii-a. iiOhm
3. iiWhich iiof iithe iifollowing iiis iinot iia iivalid iiexpression iiof iiOhm's iilaw?(in iithis
iiequation iiE ii(electromotive iiforce) iiis iithe iidame iias iiV ii(Voltage)
a. iiR=EI iior(R=VI) ii
b. iiE=IR iior(V=IR)
c. iiI=E/R iior(I=V/R) ii
d. iiR=E/I iior(R=V/I) ii- iiAnswers ii-a. iiR=EI iior(R=VI)
4. iiWhich iiof iithe iifollowing iiis iinot iia iiunit iifor iimeasuring iialternating iifrequencies?
ii
a. iiCycles iiper iisecond
b. iiVolts
c. iiHertz
d. iiKilocycles ii- iiAnswers ii-b. iiVolts
5. iiWhich iiof iithe iifollowing iidescribes iithe iiaction iiof iia iicapacitor?
a. iiopposes iichanges iiin iicurrent iiflow
b. iiconverts iialternating iicurrent iito iidirect iicurrent
c. iicreates iia iidirect iicurrent iiresistance
d. iistores iienergy ii- iiAnswers ii-d. iistores iienergy
6. iiA iicircuit iithat iiallows iisome iifrequencies iito iipass iithrough iiit, iiwhile iiothers
iiare iiblocked iiis iia ii____.
a. iiresistor ii
b. iitransistor ii
c. iifilter
d. iireactor ii- iiAnswers ii-c. iifilter
,7. iiA iicombination iiof iielectronic iicomponents iidesigned iito iiincrease iithe iipower,
iivoltage iior iicurrent iiof iia iisignal
a. iiamplifier
b. iiline iifilter
c. iimaster iigain iicontrol
d. iisensitivity ii- iiAnswers ii-a. iiamplifier
8. iiA iismall iifluctuating iioutput iirecorded iiby iithe iiEEG iiinstrument iieven iiwhen
iithere iiis iino iiinput iisignal iiis iicalled ii____.
a. iioutput iivoltage
b. iilinear iidistortion
c. ii60 iiHz iiinterference
d. iinoise ii- iiAnswers ii-d. iinoise
9. iiThe iiEEG iiamplifier iiis iidesigned iiso iithat iiwhen iiinput ii1 iiis iimore iinegative
iithan iiinput ii2, iithe iideflection iiwill iibe ii____.
a. iidownward ii
b. iiupward
c. iiabsent
d. iisinusoidal ii- iiAnswers ii-b. iiupward
10. iiCommon iiMode iiRejection iiis ii____.
a. iithe iiability iiof iian iiamplifier iito iicancel iiout iiECG iiartifact
b. iithe iicharacteristic iiof iian iiamplifier iithat iirejects iiexternal iiinterference
c. iiis iidependent iion iithe iisampling iirate
d. iicontrolled iiby iithe ii60-cycle iinotch iifilter ii- iiAnswers ii-b. iithe iicharacteristic iiof
iian iiamplifier iithat iirejects iiexternal iiinterference
11. iiWhich iiof iithe iifollowing iiis iimost iiattenuated iiby iia iilow iifrequency iifilter iiof ii1
iiHz?
a. ii0.5 iiHz
b. ii5.0 iiHz
c. ii10.0 iiHz
d. ii0.1 iiHz ii- iiAnswers ii-d. ii0.1 iiHz
12. iiTime iiconstant iiis iidefined iias iithe iitime iirequired ii____.
a. iifor iithe iideflection iito iifall ii(decay) iito ii47% iiof iithe iipeak iideflection iib. iifor iithe
iideflection iito iifall ii(decay) ii57% iiof iithe iipeak iideflection
c. iifor iithe iideflection iito iifall ii(decay) ii77% iiof iithe iipeak iideflection
d. iifor iithe iideflection iito iifall ii(decay) iito ii37% iiof iithe iipeak iideflection ii- iiAnswers
ii-d. iifor iithe iideflection iito iifall ii(decay) iito ii37% iiof iithe iipeak iideflection
13. iiAn iiEEG iirecord iihas iithree iiper iisecond iispike/wave iidischarges. iiBoth iithe
iispike iiand iithe iislow iiwave iihave iivoltages iiof ii100 iiμV. iiIf iithis iidischarge iiis
, iirecorded iiwith iia iilow iifrequency iifilter iiof ii5 iiHz iiand iia iisensitivity iiof ii10
iiμV/mm, iiwhat iiwould iibe iithe iideflection iiof iithe iispike iiand iithe iiwave?
a. iispike ii10 iimm, iiwave ii6 iimm
b. iispike ii6 iimm, iiwave ii10 iimm ii
c. iispike ii10mm, iiwave ii10 iimm ii
d. iispike ii6 iimm, iiwave ii6 iimm ii- iiAnswers ii-a. iispike ii10 iimm, iiwave ii6 iimm
14. iiA iihigh iifrequency iisetting iiof ii35 iiHz iiwould iiattenuate ii50 iiHz iimuscle
iiactivity iiby iiapproximately iiwhat iipercentage?
a. ii10% ii
b. ii20% ii
c. ii40% ii
d. ii100% ii- iiAnswers ii-c. ii40%
15. iiAccording iito iiACNS iiGuidelines, iiRecording iiClinical iiEEG iion iiDigital iiMedia
iirequires iimonitors iito iihave ii_____.
a. iiBetween ii25 iiand ii35 iimm/second iihorizontal iiscaling iiand iia iimaximum iiof
ii1000 iidata iipoints/second iito iiaccurately iidisplay iiEEG iion iithe iimonitor iiscreen.
b. iiBetween ii25 iiand ii35 iimm/second iihorizontal iiscaling iiand iia iiminimum iiof ii100
iidata iipoints ii/second iito iiaccurately iidisplay iiEEG iion iithe iimonitor iiscreen.
c. iiBetween ii25 iiand ii35 iimm/second iihorizontal iiscaling iiand iia iimaximum iiof ii100
iidata iipoints/second iito iiaccurately iidisplay iiEEG iion iithe iimonitor iiscreen.
d. iiBetween ii25 iiand ii35 iimm/second iihorizontal iiscaling iiand iia iiminimum iiof
ii1000 iidata iipoints/second iito iiaccurately iidisplay iiEEG iion iithe iimonitor iiscreen. ii-
iiAnswers ii-b. iiBetween ii25 iiand ii35 iimm/second iihorizontal iiscaling iiand iia
iiminimum iiof ii100 iidata iipoints ii/second iito iiaccurately iidisplay iiEEG iion iithe
iimonitor iiscreen.
16. iiThe iifilters iicreating iia iivery iinarrow iiband iipass iithat iishould iirarely iibe iiused
iiclinically iiare
_____.
a. iiLF5.0Hz iiand iiHF70Hz ii
b. iiLF5.0Hz iiand iiHF15Hz ii
c. iiLF0.1Hz iiand iiHF70Hz ii
d. iiLF0.1Hz iiand iiHF15Hz ii- iiAnswers ii-b. iiLF5.0Hz iiand iiHF15Hz
17. iiDuring iithe iirecording iiof iicerebral iiactivity, iithe iicalibration iiinput iivoltage iiis
iichanged iifrom ii50 iiμV iito ii100 iiμV. iiWhat iiwill iibe iithe iiresult?
a. iino iieffect iion iithe iiactivity iibeing iirecorded ii
b. iia iitwo-fold iiincrease iiin iiamplitude
c. iia iione-half iireduction iiof iiamplitude
d. iiclipping iiof iithe iiwaveform ii- iiAnswers ii-a. iino iieffect iion iithe iiactivity iibeing
iirecorded
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