EEG BOARD PREP EXAM QUESTIONS AND ANSWERS

EEG BOARD PREP EXAM QUESTIONS
AND ANSWERS

The iiEEG iiamplifier iiis iidesigned iiso iithat iiwhen iiinput ii1 iiis iimore iinegative iithan iiinput
ii2, iithe iideflection iiwill iibe ii- iiAnswers ii-UPWARD


Common iiMode iiRejection ii- iiAnswers ii-the iicharacteristic iiof iian iiamplifier iithat iirejects
iiexternal iiinterference


WHICH iiOF iiTHE iiFOLLOWING iiIS iiMOST iiATTENUATED iiBY iiA iiLOW iiFREQUENCY
iiFILTER iiOF ii1HZ ii- iiAnswers ii-0.1 iiHZ


TIME iiCONSTANT iiIS iiDEFINED iiAS iiTHE iiTIME iiREQUIRED iiTO... ii- iiAnswers ii-FOR
iiTHE iiDEFLECTION iiTO iiFALL ii(DECAY) iiTO ii67% iiOF iiTHE iiPEAK iiDEFLECTION


An iiEEG iirecord iihas ii3/sec iispike ii& iiwave iidischarges. iiBoth iithe iispike iiand iithe iislow
iiwave iihave iivoltages iiof ii100uV. iiIf iithis iidischarge iiis iirecorded iiwith iia iiLFF iiof ii5Hz
iiand iia iisensitivity iiof ii10uV/mm, iiwhat iiwould iibe iithe iideflection iiof iithe iispike iiand iithe
iiwave?
a. iispike ii10mm ii& iiwave ii6mm
b. iispike ii6mm ii& iiwave ii10mm
c. iispike ii10mm ii& iiwave ii10mm
d. iispike ii6mm ii& iiwave ii6mm ii- iiAnswers ii-SPIKE ii10MM, iiWAVE ii6MM

A iiHIGH iiFREQUENCY iiSETTING iiOF ii35HZ iiWOULD iiATTENUATE ii50HZ iiMUSCLE
iiACTIVITY iiBY iiAPPROXIMATELY iiWHAT iiPERCENTAGE? ii- iiAnswers ii-40%


ACCORDING iiTO iiACNS iiGUIDELINES, iiRECORDING iiCLINICAL iiEEG iiON iiDIGITAL
iiMEDIA iiREQUIRES iiMONITORS iiTO iiHAVE iiWHAT ii- iiAnswers ii-BETWEEN ii25 iiAND
ii35MM/SECOND iiHORIZONTAL iiSCALING iiAND iiA iiMINIMUM iiOF ii100 iiDATA
iiPOINTS/SECOND iiTO iiACCURATELY iiDISPLAY iiEEG iiON iiTHE iiMONITOR
iiSCREEN


IN iiA iiRECORD iiWITH ii10HZ iiALPHA iiACTIVITY. iiWHEN iiTHE iiDISPLAY iiEPOCH iiIS
iiCHANGED iiFROM ii10 iiSECONDS iiPER iiDISPLAY iiSCREEN iiTO ii20 iiSECONDS
iiPER iiDISPLAY iiSCREEN, iiTHE iiFREQUENCY iiOF iiTHE iiACITIVTY iiWILL iiBE
iiWHAT? ii- iiAnswers ii-10HZ


GUIDELINES iiFOR iiRECORDING iiDIGITAL iiEEG iiARE iiWRITTEN iiBY iiWHO? ii-
iiAnswers ii-THE iiAMERICAN iiCLINICAL iiNEUROPHYSIOLOGY iiSOCIETY ii(ACNS)

, THE iiTERM iiRAM iiMEANS iiWHAT ii- iiAnswers ii-TEMPORARY iiMEMORY iiSTORAGE
iiTHAT iiIS iiCRITICAL iiTO iiRAPID iiCOMPUTER iiOPERATIONS


THE iiELECTRODE iiSITE iiTHAT iiIS iiLOCATED ii1CM iiABOVE, iiONE iiTHIRD iiTHE
iiDISTANCE iiOUT iiFROM iiTHE iiLEFT iiEXTERNAL iiAUDITORY iiMEATUS iiTOWARDS
iiTHE iiLEFT iiOUTER iiCANTHUS iiIS iiCALLED iiWHAT ii- iiAnswers ii-T1 iiOR iiF9


Due iito iia iicentral iiscalp iilesion, iiC4 iihas iito iibe iirelocated ii4mm iianteriorly. iiThe
iitechnologist iishould:
a. iirelocate iiC3 ii4mm iianteriorly
b. iimake iino iiother iiplacement iichanges
c. iirelocate iiP3 ii4mm iianteriorly
d. iirelocate iiall iielectrodes iiin iithe iiright iiparasagittal iiplane ii4mm iianteriorly ii- iiAnswers ii-
A. iiRELOCATE iiC3 ii4MM iiANTERIORLY

IN iiA iiREFERENTIAL iiMONTAGE, iiHOW iiIS iiTHE iiORIGIN iiOF iiTHE iiPOTENTIAL
iiDETERMINED? ii- iiAnswers ii-AMPLITUDE


WHEN iiRECORDING iiFOR iiECI, iiINTERELECTRODE iiIMPEDANCES iiSHOULD iiBE
iiAT iiLEAST____ iiOHMS, iiBUT iiLESS iiTHAN ii_____ iiOHMS. ii- iiAnswers ii-100----10,000


WHEN iiRECORDING iiFOR iiECI, iiIT iiIS iiRECOMMENDED iiTHAT iiTHE iiSENSITIVITY
iiBE ii_____ iiuV/MM iiAND iiTHE iiLOW iiFILTER iiSHOULD iiNOT iiBE iiHIGHER iiTHAN
ii____HZ. iiFOR iiAT iiLEAST____MINS iiOF iiRECORDING. ii- iiAnswers ii-2uV, ii1.0HZ, ii30
iiMINS


THE iiTRACTS iiCONNECTING iiTHE iiRIGHT iiAND iiLEFT iiHEMISPHERES iiARE
iiCALLED iiWHAT? ii- iiAnswers ii-CORPUS iiCALLOSUM


THE iiCENTRAL iiSULCUS ii(FISSURE iiOF iiROLANDO) iiDEMARCATES iiWHAT? ii-
iiAnswers ii-FRONTAL iiAND iiPARIETAL iiLOBES


THE iiTRIGEMINAL iiNERVE iiDOES? ii- iiAnswers ii-IS iiTHE iiMAJOR iiSENSORY
iiNERVE iiOF iiTHE iiFACE


A iiSUBARACHNOID iiHEMORRHAGE iiOCCURS iiWHERE? ii- iiAnswers ii-BETWEEN
iiTWO iiLAYERS iiOF iiTHE iiMENINGES


THE iiCARDIOVASCULAR iiAND iiRESP iiCENTERS iiFOR iiAUTOMATIC iiCONTROL
iiOF iiHEART iiRATE iiAND iiRESPIRATION iiARE iiFOUND iiIN? ii- iiAnswers ii-MEDULLA


Thrombosis iiof iithe iianterior iicerebral iiartery iiis iimost iilikely iidue iito iicause:
a. iinystagmus
b. iicontralateral iilower iiextremity iiweakness
c. iicontralateral iifacial iiweakness
d. iiaphasia ii- iiAnswers ii-CONTRALATERAL iiLOWER iiEXTREMITY iiWEAKNESS