ELECTROLYSIS IBEC+LASER STATE
BOARD PRACTICE TEST WITH
CORRECT SOLUTIONS
Laser stands for what? - ANSWER-Light
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
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
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
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
What is the highest setting the skin can tolerate without damage called? - ANSWER-
Fluence Threshold
What is the highest setting the patient can tolerate without the treatment becoming
impossible called? - ANSWER-Patient Threshold
, The amount of hair per one square centimeter is known as? - ANSWER-Hair density
The higher the hair density, the _______ the fluence? - ANSWER-Lower
What percentage of overlapping do you want when doing LHR? - ANSWER-30%
Darker/tanned skin requires what kind of fluence? - ANSWER-Lower
What should you never use to clean a patient's skin prior to LHR? - ANSWER-Alcohol
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
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
What kind of pulse widths are more aggressive and heat up and cool down quickly? -
ANSWER-Short
Shorter pulse widths are for what skin type? - ANSWER-1-3
What percentage of follicles are damaged with each laser treatment? - ANSWER-15%
What is a long-term stable reduction of the growing hairs after a treatment regime? -
ANSWER-Laser Hair Removal (LHR)
What does the FDA call laser hair removal? - ANSWER-Permanent hair reduction
Pulse duration is measured in what unit? - ANSWER-milliseconds (ms)
Spot size is measured in what unit? - ANSWER-millimeters (mm)
Repetition rate is measured in what unit? - ANSWER-hertz (Hz)
Who is the grandfather of laser and was the first person to use water to cool the skin
during laser? - ANSWER-Rox Anderson
The formula for fluence is? - ANSWER-Joules = J/cm2
BOARD PRACTICE TEST WITH
CORRECT SOLUTIONS
Laser stands for what? - ANSWER-Light
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
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
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
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
What is the highest setting the skin can tolerate without damage called? - ANSWER-
Fluence Threshold
What is the highest setting the patient can tolerate without the treatment becoming
impossible called? - ANSWER-Patient Threshold
, The amount of hair per one square centimeter is known as? - ANSWER-Hair density
The higher the hair density, the _______ the fluence? - ANSWER-Lower
What percentage of overlapping do you want when doing LHR? - ANSWER-30%
Darker/tanned skin requires what kind of fluence? - ANSWER-Lower
What should you never use to clean a patient's skin prior to LHR? - ANSWER-Alcohol
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
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
What kind of pulse widths are more aggressive and heat up and cool down quickly? -
ANSWER-Short
Shorter pulse widths are for what skin type? - ANSWER-1-3
What percentage of follicles are damaged with each laser treatment? - ANSWER-15%
What is a long-term stable reduction of the growing hairs after a treatment regime? -
ANSWER-Laser Hair Removal (LHR)
What does the FDA call laser hair removal? - ANSWER-Permanent hair reduction
Pulse duration is measured in what unit? - ANSWER-milliseconds (ms)
Spot size is measured in what unit? - ANSWER-millimeters (mm)
Repetition rate is measured in what unit? - ANSWER-hertz (Hz)
Who is the grandfather of laser and was the first person to use water to cool the skin
during laser? - ANSWER-Rox Anderson
The formula for fluence is? - ANSWER-Joules = J/cm2
