ELECTROLYSIS IBEC & LASER STATE BOARD TEST /
FINAL EXAM AND PRACTICE COMPLETE QUESTIONS
& WELL DETAILED ANSWERS / LATEST UPDATE
2025/26
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
FINAL EXAM AND PRACTICE COMPLETE QUESTIONS
& WELL DETAILED ANSWERS / LATEST UPDATE
2025/26
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
