Electrolysis IBEC+Laser STATE BOARD Practice test 2018 Bank 100% Verified
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Electrolysis IBEC+Laser
Institution
Electrolysis IBEC+Laser
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
Refra...
Electrolysis IBEC+Laser STATE BOARD Practice
test 2018 Bank 100% Verified
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
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
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
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
What kind of lasers allow for selective heating of specific targets? -ANSWER- Selective
photothermolysis
For deeper laser penetration what should the practitioner do to the laser? -ANSWER-
Change to a bigger spot size
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