ELECTROLYSIS IBEC+LASER STATE
BOARD EXAM AND PRACTICE EXAM
QUESTIONS 2025 COMPLETE EXAM 770
QUESTIONS WITH DETAILED VERIFIED
ANSWERS (100% CORRECT ANSWERS)
/ALREADY GRADED A+
Who theorized stimulated emission? - ANSWER ✔✔- Albert Einstein
The part of the laser that contains the active medium is called? - ANSWER ✔✔-
Resinator cavity
What are the states of light in stimulated emission? - ANSWER ✔✔- Ground State
Excited State
Singlet State
Metastable State
Alexandrite laer is in the visible light spectrum at what wavelength? - ANSWER
✔✔- 755 nm
The Nd:YAG laser falls in the invisible light spectrum with a wavelength of what?
- ANSWER ✔✔- 1064 nm
1|Page
,What type of wave is used in laser hair removal? - ANSWER ✔✔- Pulsed wave
A chromophore is also know at what? - ANSWER ✔✔- Target
The chromophore absorbs what? - ANSWER ✔✔- Energy
Goggles worn by the patient and practitioner must be approved by which group? -
ANSWER ✔✔- ANSI (American National Standard Institute) for Class 3B and
Class 4 Lasers
Each laser wavelength is what to its machine? - ANSWER ✔✔- Specific
What are the parameters when doing laser hair removal? - ANSWER ✔✔-
Wavelength
Spot Size
Fluence
Pulse Width
Pulsed lasers allow for selective heating of specific targets, this is also known as? -
ANSWER ✔✔- Selective Photothermolysis
The rate/amount of energy delivered within a given area is known as? - ANSWER
✔✔- Fluence
An increase in fluence equals an increase in what? - ANSWER ✔✔- Heat.
Resulting in more damage
2|Page
,The length of time the light/energy is in contact with the target that is measured in
milliseconds (ms): - ANSWER ✔✔- Pulse width/Pulse duration
If the time of pulse duration is changed from milliseconds to nanoseconds the laser
is what? - ANSWER ✔✔- Q Switched
A Q switched laser is used for what? - ANSWER ✔✔- Tattoo removal
Which skin types can tolerate an Alex laser? - ANSWER ✔✔- 1-4
Which skin types can tolerate a Nd:YAG laser? - ANSWER ✔✔- All skin types
Which skin type should only have electrolysis and no laser? - ANSWER ✔✔-
Type 1
If the pulse width is greater than the thermal relaxation time it results in? -
ANSWER ✔✔- A burn
If the pulse width is less than or equal to the thermal relaxation time it results in? -
ANSWER ✔✔- Perfect hair removal
Larger structures have __________ thermal relaxation times (TRT) - ANSWER
✔✔- Longer
Laser stands for what? - ANSWER ✔✔- Light
3|Page
, Amplification by
Stimulated
Emission of
Radiation
What is the distance measured in nanometers between two peaks or two troughs
known as? - ANSWER ✔✔- Wavelength
Light of only one color & one specific wavelength is known as? - ANSWER ✔✔-
Monochromatic
Refraction is also known as what? - 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? -
ANSWER ✔✔- Stimulated Emission
The states of equilibrium or middle state of light - ANSWER ✔✔- Metastable
State
Smaller structures have _______ thermal relaxation times (TRT) - ANSWER ✔✔-
Shorter
What kind of pulse widths protect the epidermis, penetrate deeper and cool more
slowly? - ANSWER ✔✔- Long
Longer pulse widths are for what skin type? - ANSWER ✔✔- 4-6
4|Page
BOARD EXAM AND PRACTICE EXAM
QUESTIONS 2025 COMPLETE EXAM 770
QUESTIONS WITH DETAILED VERIFIED
ANSWERS (100% CORRECT ANSWERS)
/ALREADY GRADED A+
Who theorized stimulated emission? - ANSWER ✔✔- Albert Einstein
The part of the laser that contains the active medium is called? - ANSWER ✔✔-
Resinator cavity
What are the states of light in stimulated emission? - ANSWER ✔✔- Ground State
Excited State
Singlet State
Metastable State
Alexandrite laer is in the visible light spectrum at what wavelength? - ANSWER
✔✔- 755 nm
The Nd:YAG laser falls in the invisible light spectrum with a wavelength of what?
- ANSWER ✔✔- 1064 nm
1|Page
,What type of wave is used in laser hair removal? - ANSWER ✔✔- Pulsed wave
A chromophore is also know at what? - ANSWER ✔✔- Target
The chromophore absorbs what? - ANSWER ✔✔- Energy
Goggles worn by the patient and practitioner must be approved by which group? -
ANSWER ✔✔- ANSI (American National Standard Institute) for Class 3B and
Class 4 Lasers
Each laser wavelength is what to its machine? - ANSWER ✔✔- Specific
What are the parameters when doing laser hair removal? - ANSWER ✔✔-
Wavelength
Spot Size
Fluence
Pulse Width
Pulsed lasers allow for selective heating of specific targets, this is also known as? -
ANSWER ✔✔- Selective Photothermolysis
The rate/amount of energy delivered within a given area is known as? - ANSWER
✔✔- Fluence
An increase in fluence equals an increase in what? - ANSWER ✔✔- Heat.
Resulting in more damage
2|Page
,The length of time the light/energy is in contact with the target that is measured in
milliseconds (ms): - ANSWER ✔✔- Pulse width/Pulse duration
If the time of pulse duration is changed from milliseconds to nanoseconds the laser
is what? - ANSWER ✔✔- Q Switched
A Q switched laser is used for what? - ANSWER ✔✔- Tattoo removal
Which skin types can tolerate an Alex laser? - ANSWER ✔✔- 1-4
Which skin types can tolerate a Nd:YAG laser? - ANSWER ✔✔- All skin types
Which skin type should only have electrolysis and no laser? - ANSWER ✔✔-
Type 1
If the pulse width is greater than the thermal relaxation time it results in? -
ANSWER ✔✔- A burn
If the pulse width is less than or equal to the thermal relaxation time it results in? -
ANSWER ✔✔- Perfect hair removal
Larger structures have __________ thermal relaxation times (TRT) - ANSWER
✔✔- Longer
Laser stands for what? - ANSWER ✔✔- Light
3|Page
, Amplification by
Stimulated
Emission of
Radiation
What is the distance measured in nanometers between two peaks or two troughs
known as? - ANSWER ✔✔- Wavelength
Light of only one color & one specific wavelength is known as? - ANSWER ✔✔-
Monochromatic
Refraction is also known as what? - 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? -
ANSWER ✔✔- Stimulated Emission
The states of equilibrium or middle state of light - ANSWER ✔✔- Metastable
State
Smaller structures have _______ thermal relaxation times (TRT) - ANSWER ✔✔-
Shorter
What kind of pulse widths protect the epidermis, penetrate deeper and cool more
slowly? - ANSWER ✔✔- Long
Longer pulse widths are for what skin type? - ANSWER ✔✔- 4-6
4|Page
