Laser Exam Questions With 100% Correct
Answers 2024
What does LASER stand for?
light amplification by stimulated emission of radiation
what is the name of the scale that measures all known wavelengths
electromagnetic spectrum
what determines the depth penetration
Wavelength and spot size
the four basic parameters of laser
wavelength, spot size, fluence, and pulse width
what are the basic IPL parameters
filter, pulse width, fluence
How is wavelength measured?
nanometers (nm)
peak to peak
thermal relaxation time is the time necessary for target tissue to cool down by
what percentage?
From 100% of the heat to 50% cooler
what are the four types of epidermal cooling?
1. chilled or cooling gel
2. contact cooling including sapphire tip
3. cryogen spray
4. air cooling
what are the three principles of selective photothermolysis?
wavelength, pulse width, and fluence
eye protection is needed while using which classification of lasers?
3B and 4
what type of eyewear should the client wear?
the same laser goggles as the technician with appropriate wavelength protection.
What is optical density?
The amount of attenuation (resistance filter) or a reduction of radiant laser energy as it
passes through the filter material in the laser eyewear
Where should fire extinguishers be located?
in the treatment room
how long should a client avoid sun for a laser cosmetic and aesthetic treatment?
4 weeks
how long should a client avoid sun before laser hair removal?
2-4 weeks
tetracycline is an oral antibiotic use to treat what?
acne
erythromycin is a topical antibiotic use to treat what?
acne
which rays penetrate deeper into the subcutaneous layer?
Answers 2024
What does LASER stand for?
light amplification by stimulated emission of radiation
what is the name of the scale that measures all known wavelengths
electromagnetic spectrum
what determines the depth penetration
Wavelength and spot size
the four basic parameters of laser
wavelength, spot size, fluence, and pulse width
what are the basic IPL parameters
filter, pulse width, fluence
How is wavelength measured?
nanometers (nm)
peak to peak
thermal relaxation time is the time necessary for target tissue to cool down by
what percentage?
From 100% of the heat to 50% cooler
what are the four types of epidermal cooling?
1. chilled or cooling gel
2. contact cooling including sapphire tip
3. cryogen spray
4. air cooling
what are the three principles of selective photothermolysis?
wavelength, pulse width, and fluence
eye protection is needed while using which classification of lasers?
3B and 4
what type of eyewear should the client wear?
the same laser goggles as the technician with appropriate wavelength protection.
What is optical density?
The amount of attenuation (resistance filter) or a reduction of radiant laser energy as it
passes through the filter material in the laser eyewear
Where should fire extinguishers be located?
in the treatment room
how long should a client avoid sun for a laser cosmetic and aesthetic treatment?
4 weeks
how long should a client avoid sun before laser hair removal?
2-4 weeks
tetracycline is an oral antibiotic use to treat what?
acne
erythromycin is a topical antibiotic use to treat what?
acne
which rays penetrate deeper into the subcutaneous layer?
