PRACTICE EXAM|ACTUAL 270+QUESTIONS AND
ANSWERS|ALREADY GRADED A+
What is a round follicle for which hair type?
Straight hair
Laser stands for?
L- LIGHT
A- AMPLIFICATION
S- STIMULATED
E- EMISSION
R- RADIATION
What is the distance measured in nanometers between two peaks?
Wavelength
Light of only one color and one specific wavelength?
Monochromatic
,Refraction is also know as?
Transmission
Newly created photon of light, requires energy equal to?
Simulated Emission
Who theorized stimulated emission?
Albert Einstein
Alexandrite laser is in the visible light spectrum at what wavelength?
755nm
The Nd:YAG laser falls in the invisible light spectrum with a wavelength of
what?
1064nm
What type of wave is used in laser hair removal?
Pulsed wave
,A chromophore is also known as what?
Target
The chromophore absorbs what?
Energy
Googles are approved by?
ANSI (American National Standard Institute)
Each laser wavelength is what to it's machine?
Specific
What are the parameters when doing laser hair removal?
1. Wavelength
2. Spot size
3. Fluence
4. Pulse Width
, Pulsed lasers allow for selective heating of specific targets, this is also known as?
Selective Photothermolysis
Rate/amount of energy delivered within a given area is?
Fluence
Increase in fluence equals an increase in what?
Heat
Length of time the light/energy is in contact with the target that is measured in
milliseconds?
Pulse width/Pulse duration
If the time of pulse duration is changed from milliseconds to nanoseconds the
laser is what?
Q Switched
A Q-Switched laser is used for what?