Electrolysis IBEC Practice test 2025 Exam
with Questions and Correct Answers
Laser ,stands ,for ,what? ,- ,CORRECT ,ANSWER-Light
Amplification ,by
Stimulated
Emission ,of
Radiation
What ,is ,the ,distance ,measured ,in ,nanometers ,between ,two ,peaks ,or ,two
,troughs ,known ,as? ,- ,CORRECT ,ANSWER-Wavelength
Light ,of ,only ,one ,color ,& ,one ,specific ,wavelength ,is ,known ,as? ,- ,CORRECT
,ANSWER-Monochromatic
Refraction ,is ,also ,known ,as ,what? ,- ,CORRECT ,ANSWER-Transmission
The ,process ,where ,by ,a ,newly ,created ,photon ,of ,light ,(generated ,through
,amplification) ,acquires ,energy ,equal ,to ,the ,photons ,that ,created ,it ,is ,known
,as? ,- ,CORRECT ,ANSWER-Stimulated ,Emission
The ,states ,of ,equilibrium ,or ,middle ,state ,of ,light ,- ,CORRECT ,ANSWER-
Metastable ,State
Who ,theorized ,stimulated ,emission? ,- ,CORRECT ,ANSWER-Albert ,Einstein
The ,part ,of ,the ,laser ,that ,contains ,the ,active ,medium ,is ,called? ,- ,CORRECT
,ANSWER-Resinator ,cavity
What ,are ,the ,states ,of ,light ,in ,stimulated ,emission? ,- ,CORRECT ,ANSWER-
Ground ,State
Excited ,State
Singlet ,State
Metastable ,State
,Alexandrite ,laer ,is ,in ,the ,visible ,light ,spectrum ,at ,what ,wavelength? ,-
,CORRECT ,ANSWER-755 ,nm
The ,Nd:YAG ,laser ,falls ,in ,the ,invisible ,light ,spectrum ,with ,a ,wavelength ,of
,what? ,- ,CORRECT ,ANSWER-1064 ,nm
What ,type ,of ,wave ,is ,used ,in ,laser ,hair ,removal? ,- ,CORRECT ,ANSWER-Pulsed
,wave
A ,chromophore ,is ,also ,know ,at ,what? ,- ,CORRECT ,ANSWER-Target
The ,chromophore ,absorbs ,what? ,- ,CORRECT ,ANSWER-Energy
Goggles ,worn ,by ,the ,patient ,and ,practitioner ,must ,be ,approved ,by ,which
,group? ,- ,CORRECT ,ANSWER-ANSI ,(American ,National ,Standard ,Institute) ,for
,Class ,3B ,and ,Class ,4 ,Lasers
Each ,laser ,wavelength ,is ,what ,to ,its ,machine? ,- ,CORRECT ,ANSWER-Specific
What ,are ,the ,parameters ,when ,doing ,laser ,hair ,removal? ,- ,CORRECT ,ANSWER-
Wavelength
Spot ,Size
Fluence
Pulse ,Width
Pulsed ,lasers ,allow ,for ,selective ,heating ,of ,specific ,targets, ,this ,is ,also ,known
,as? ,- ,CORRECT ,ANSWER-Selective ,Photothermolysis
The ,rate/amount ,of ,energy ,delivered ,within ,a ,given ,area ,is ,known ,as? ,-
,CORRECT ,ANSWER-Fluence
An ,increase ,in ,fluence ,equals ,an ,increase ,in ,what? ,- ,CORRECT ,ANSWER-Heat.
,Resulting ,in ,more ,damage
The ,length ,of ,time ,the ,light/energy ,is ,in ,contact ,with ,the ,target ,that ,is
,measured ,in ,milliseconds ,(ms): ,- ,CORRECT ,ANSWER-Pulse ,width/Pulse
,duration
If ,the ,time ,of ,pulse ,duration ,is ,changed ,from ,milliseconds ,to ,nanoseconds ,the
,laser ,is ,what? ,- ,CORRECT ,ANSWER-Q ,Switched
A ,Q ,switched ,laser ,is ,used ,for ,what? ,- ,CORRECT ,ANSWER-Tattoo ,removal
Which ,skin ,types ,can ,tolerate ,an ,Alex ,laser? ,- ,CORRECT ,ANSWER-1-4
,Which ,skin ,types ,can ,tolerate ,a ,Nd:YAG ,laser? ,- ,CORRECT ,ANSWER-All ,skin
,types
Which ,skin ,type ,should ,only ,have ,electrolysis ,and ,no ,laser? ,- ,CORRECT
,ANSWER-Type ,1
If ,the ,pulse ,width ,is ,greater ,than ,the ,thermal ,relaxation ,time ,it ,results ,in? ,-
,CORRECT ,ANSWER-A ,burn
If ,the ,pulse ,width ,is ,less ,than ,or ,equal ,to ,the ,thermal ,relaxation ,time ,it ,results
,in? ,- ,CORRECT ,ANSWER-Perfect ,hair ,removal
Larger ,structures ,have ,__________ ,thermal ,relaxation ,times ,(TRT) ,- ,CORRECT
,ANSWER-Longer
Smaller ,structures ,have ,_______ ,thermal ,relaxation ,times ,(TRT) ,- ,CORRECT
,ANSWER-Shorter
What ,kind ,of ,pulse ,widths ,protect ,the ,epidermis, ,penetrate ,deeper ,and ,cool
,more ,slowly? ,- ,CORRECT ,ANSWER-Long
Longer ,pulse ,widths ,are ,for ,what ,skin ,type? ,- ,CORRECT ,ANSWER-4-6
What ,kind ,of ,pulse ,widths ,are ,more ,aggressive ,and ,heat ,up ,and ,cool ,down
,quickly? ,- ,CORRECT ,ANSWER-Short
Shorter ,pulse ,widths ,are ,for ,what ,skin ,type? ,- ,CORRECT ,ANSWER-1-3
What ,percentage ,of ,follicles ,are ,damaged ,with ,each ,laser ,treatment? ,-
,CORRECT ,ANSWER-15%
What ,is ,a ,long-term ,stable ,reduction ,of ,the ,growing ,hairs ,after ,a ,treatment
,regime? ,- ,CORRECT ,ANSWER-Laser ,Hair ,Removal ,(LHR)
What ,does ,the ,FDA ,call ,laser ,hair ,removal? ,- ,CORRECT ,ANSWER-Permanent
,hair ,reduction
What ,is ,the ,highest ,setting ,the ,skin ,can ,tolerate ,without ,damage ,called? ,-
,CORRECT ,ANSWER-Fluence ,Threshold
What ,is ,the ,highest ,setting ,the ,patient ,can ,tolerate ,without ,the ,treatment
,becoming ,impossible ,called? ,- ,CORRECT ,ANSWER-Patient ,Threshold
The ,amount ,of ,hair ,per ,one ,square ,centimeter ,is ,known ,as? ,- ,CORRECT
,ANSWER-Hair ,density
, The ,higher ,the ,hair ,density, ,the ,_______ ,the ,fluence? ,- ,CORRECT ,ANSWER-
Lower
What ,percentage ,of ,overlapping ,do ,you ,want ,when ,doing ,LHR? ,- ,CORRECT
,ANSWER-30%
Darker/tanned ,skin ,requires ,what ,kind ,of ,fluence? ,- ,CORRECT ,ANSWER-Lower
What ,should ,you ,never ,use ,to ,clean ,a ,patient's ,skin ,prior ,to ,LHR? ,- ,CORRECT
,ANSWER-Alcohol
Pulse ,duration ,is ,measured ,in ,what ,unit? ,- ,CORRECT ,ANSWER-milliseconds
,(ms)
Spot ,size ,is ,measured ,in ,what ,unit? ,- ,CORRECT ,ANSWER-millimeters ,(mm)
Repetition ,rate ,is ,measured ,in ,what ,unit? ,- ,CORRECT ,ANSWER-hertz ,(Hz)
Who ,is ,the ,grandfather ,of ,laser ,and ,was ,the ,first ,person ,to ,use ,water ,to ,cool
,the ,skin ,during ,laser? ,- ,CORRECT ,ANSWER-Rox ,Anderson
The ,formula ,for ,fluence ,is? ,- ,CORRECT ,ANSWER-Joules ,= ,J/cm2
What ,kind ,of ,lasers ,allow ,for ,selective ,heating ,of ,specific ,targets? ,- ,CORRECT
,ANSWER-Selective ,photothermolysis
For ,deeper ,laser ,penetration ,what ,should ,the ,practitioner ,do ,to ,the ,laser? ,-
,CORRECT ,ANSWER-Change ,to ,a ,bigger ,spot ,size
The ,primary ,reason ,for ,using ,cooling ,devices ,during ,laser ,hair ,removal ,is? ,-
,CORRECT ,ANSWER-Allows ,for ,higher ,and ,more ,effective ,fluences ,to ,be ,used
,while ,sparing ,the ,epidermis
During ,the ,initial ,consultation, ,the ,patient ,should ,be ,informed ,that ,the ,process
,will ,take ,how ,long ,for ,laser ,hair ,removal? ,- ,CORRECT ,ANSWER-A ,series ,of
,treatments
The ,principle ,that ,says ,energy ,must ,be ,absorbed ,by ,an ,object ,in ,order ,to
,produce ,an ,effect ,is ,called? ,- ,CORRECT ,ANSWER-Grotthuss-Draper ,law
What ,is ,laser ,light? ,- ,CORRECT ,ANSWER-Monochromatic ,light
Laser ,is ,equivalent ,to ,which ,of ,the ,following ,modalities? ,- ,CORRECT ,ANSWER-
Thermolysis
with Questions and Correct Answers
Laser ,stands ,for ,what? ,- ,CORRECT ,ANSWER-Light
Amplification ,by
Stimulated
Emission ,of
Radiation
What ,is ,the ,distance ,measured ,in ,nanometers ,between ,two ,peaks ,or ,two
,troughs ,known ,as? ,- ,CORRECT ,ANSWER-Wavelength
Light ,of ,only ,one ,color ,& ,one ,specific ,wavelength ,is ,known ,as? ,- ,CORRECT
,ANSWER-Monochromatic
Refraction ,is ,also ,known ,as ,what? ,- ,CORRECT ,ANSWER-Transmission
The ,process ,where ,by ,a ,newly ,created ,photon ,of ,light ,(generated ,through
,amplification) ,acquires ,energy ,equal ,to ,the ,photons ,that ,created ,it ,is ,known
,as? ,- ,CORRECT ,ANSWER-Stimulated ,Emission
The ,states ,of ,equilibrium ,or ,middle ,state ,of ,light ,- ,CORRECT ,ANSWER-
Metastable ,State
Who ,theorized ,stimulated ,emission? ,- ,CORRECT ,ANSWER-Albert ,Einstein
The ,part ,of ,the ,laser ,that ,contains ,the ,active ,medium ,is ,called? ,- ,CORRECT
,ANSWER-Resinator ,cavity
What ,are ,the ,states ,of ,light ,in ,stimulated ,emission? ,- ,CORRECT ,ANSWER-
Ground ,State
Excited ,State
Singlet ,State
Metastable ,State
,Alexandrite ,laer ,is ,in ,the ,visible ,light ,spectrum ,at ,what ,wavelength? ,-
,CORRECT ,ANSWER-755 ,nm
The ,Nd:YAG ,laser ,falls ,in ,the ,invisible ,light ,spectrum ,with ,a ,wavelength ,of
,what? ,- ,CORRECT ,ANSWER-1064 ,nm
What ,type ,of ,wave ,is ,used ,in ,laser ,hair ,removal? ,- ,CORRECT ,ANSWER-Pulsed
,wave
A ,chromophore ,is ,also ,know ,at ,what? ,- ,CORRECT ,ANSWER-Target
The ,chromophore ,absorbs ,what? ,- ,CORRECT ,ANSWER-Energy
Goggles ,worn ,by ,the ,patient ,and ,practitioner ,must ,be ,approved ,by ,which
,group? ,- ,CORRECT ,ANSWER-ANSI ,(American ,National ,Standard ,Institute) ,for
,Class ,3B ,and ,Class ,4 ,Lasers
Each ,laser ,wavelength ,is ,what ,to ,its ,machine? ,- ,CORRECT ,ANSWER-Specific
What ,are ,the ,parameters ,when ,doing ,laser ,hair ,removal? ,- ,CORRECT ,ANSWER-
Wavelength
Spot ,Size
Fluence
Pulse ,Width
Pulsed ,lasers ,allow ,for ,selective ,heating ,of ,specific ,targets, ,this ,is ,also ,known
,as? ,- ,CORRECT ,ANSWER-Selective ,Photothermolysis
The ,rate/amount ,of ,energy ,delivered ,within ,a ,given ,area ,is ,known ,as? ,-
,CORRECT ,ANSWER-Fluence
An ,increase ,in ,fluence ,equals ,an ,increase ,in ,what? ,- ,CORRECT ,ANSWER-Heat.
,Resulting ,in ,more ,damage
The ,length ,of ,time ,the ,light/energy ,is ,in ,contact ,with ,the ,target ,that ,is
,measured ,in ,milliseconds ,(ms): ,- ,CORRECT ,ANSWER-Pulse ,width/Pulse
,duration
If ,the ,time ,of ,pulse ,duration ,is ,changed ,from ,milliseconds ,to ,nanoseconds ,the
,laser ,is ,what? ,- ,CORRECT ,ANSWER-Q ,Switched
A ,Q ,switched ,laser ,is ,used ,for ,what? ,- ,CORRECT ,ANSWER-Tattoo ,removal
Which ,skin ,types ,can ,tolerate ,an ,Alex ,laser? ,- ,CORRECT ,ANSWER-1-4
,Which ,skin ,types ,can ,tolerate ,a ,Nd:YAG ,laser? ,- ,CORRECT ,ANSWER-All ,skin
,types
Which ,skin ,type ,should ,only ,have ,electrolysis ,and ,no ,laser? ,- ,CORRECT
,ANSWER-Type ,1
If ,the ,pulse ,width ,is ,greater ,than ,the ,thermal ,relaxation ,time ,it ,results ,in? ,-
,CORRECT ,ANSWER-A ,burn
If ,the ,pulse ,width ,is ,less ,than ,or ,equal ,to ,the ,thermal ,relaxation ,time ,it ,results
,in? ,- ,CORRECT ,ANSWER-Perfect ,hair ,removal
Larger ,structures ,have ,__________ ,thermal ,relaxation ,times ,(TRT) ,- ,CORRECT
,ANSWER-Longer
Smaller ,structures ,have ,_______ ,thermal ,relaxation ,times ,(TRT) ,- ,CORRECT
,ANSWER-Shorter
What ,kind ,of ,pulse ,widths ,protect ,the ,epidermis, ,penetrate ,deeper ,and ,cool
,more ,slowly? ,- ,CORRECT ,ANSWER-Long
Longer ,pulse ,widths ,are ,for ,what ,skin ,type? ,- ,CORRECT ,ANSWER-4-6
What ,kind ,of ,pulse ,widths ,are ,more ,aggressive ,and ,heat ,up ,and ,cool ,down
,quickly? ,- ,CORRECT ,ANSWER-Short
Shorter ,pulse ,widths ,are ,for ,what ,skin ,type? ,- ,CORRECT ,ANSWER-1-3
What ,percentage ,of ,follicles ,are ,damaged ,with ,each ,laser ,treatment? ,-
,CORRECT ,ANSWER-15%
What ,is ,a ,long-term ,stable ,reduction ,of ,the ,growing ,hairs ,after ,a ,treatment
,regime? ,- ,CORRECT ,ANSWER-Laser ,Hair ,Removal ,(LHR)
What ,does ,the ,FDA ,call ,laser ,hair ,removal? ,- ,CORRECT ,ANSWER-Permanent
,hair ,reduction
What ,is ,the ,highest ,setting ,the ,skin ,can ,tolerate ,without ,damage ,called? ,-
,CORRECT ,ANSWER-Fluence ,Threshold
What ,is ,the ,highest ,setting ,the ,patient ,can ,tolerate ,without ,the ,treatment
,becoming ,impossible ,called? ,- ,CORRECT ,ANSWER-Patient ,Threshold
The ,amount ,of ,hair ,per ,one ,square ,centimeter ,is ,known ,as? ,- ,CORRECT
,ANSWER-Hair ,density
, The ,higher ,the ,hair ,density, ,the ,_______ ,the ,fluence? ,- ,CORRECT ,ANSWER-
Lower
What ,percentage ,of ,overlapping ,do ,you ,want ,when ,doing ,LHR? ,- ,CORRECT
,ANSWER-30%
Darker/tanned ,skin ,requires ,what ,kind ,of ,fluence? ,- ,CORRECT ,ANSWER-Lower
What ,should ,you ,never ,use ,to ,clean ,a ,patient's ,skin ,prior ,to ,LHR? ,- ,CORRECT
,ANSWER-Alcohol
Pulse ,duration ,is ,measured ,in ,what ,unit? ,- ,CORRECT ,ANSWER-milliseconds
,(ms)
Spot ,size ,is ,measured ,in ,what ,unit? ,- ,CORRECT ,ANSWER-millimeters ,(mm)
Repetition ,rate ,is ,measured ,in ,what ,unit? ,- ,CORRECT ,ANSWER-hertz ,(Hz)
Who ,is ,the ,grandfather ,of ,laser ,and ,was ,the ,first ,person ,to ,use ,water ,to ,cool
,the ,skin ,during ,laser? ,- ,CORRECT ,ANSWER-Rox ,Anderson
The ,formula ,for ,fluence ,is? ,- ,CORRECT ,ANSWER-Joules ,= ,J/cm2
What ,kind ,of ,lasers ,allow ,for ,selective ,heating ,of ,specific ,targets? ,- ,CORRECT
,ANSWER-Selective ,photothermolysis
For ,deeper ,laser ,penetration ,what ,should ,the ,practitioner ,do ,to ,the ,laser? ,-
,CORRECT ,ANSWER-Change ,to ,a ,bigger ,spot ,size
The ,primary ,reason ,for ,using ,cooling ,devices ,during ,laser ,hair ,removal ,is? ,-
,CORRECT ,ANSWER-Allows ,for ,higher ,and ,more ,effective ,fluences ,to ,be ,used
,while ,sparing ,the ,epidermis
During ,the ,initial ,consultation, ,the ,patient ,should ,be ,informed ,that ,the ,process
,will ,take ,how ,long ,for ,laser ,hair ,removal? ,- ,CORRECT ,ANSWER-A ,series ,of
,treatments
The ,principle ,that ,says ,energy ,must ,be ,absorbed ,by ,an ,object ,in ,order ,to
,produce ,an ,effect ,is ,called? ,- ,CORRECT ,ANSWER-Grotthuss-Draper ,law
What ,is ,laser ,light? ,- ,CORRECT ,ANSWER-Monochromatic ,light
Laser ,is ,equivalent ,to ,which ,of ,the ,following ,modalities? ,- ,CORRECT ,ANSWER-
Thermolysis
