BOARD Practice Questions with Correct
Answers 2025
What is a round follicle for which hair type? - CORRECT ANSWER -Straight hair
Laser stands for? - CORRECT ANSWER -L- LIGHT
A- AMPLIFICATION
S- STIMULATED
E- EMISSION
R- RADIATION
What is the distance measured in nanometers between two peaks? - CORRECT ANSWER -
Wavelength
Light of only one color and one specific wavelength? - CORRECT ANSWER -Monochromatic
Refraction is also know as? - CORRECT ANSWER -Transmission
Newly created photon of light, requires energy equal to? - CORRECT ANSWER -
Simulated Emission
Who theorized stimulated emission? - CORRECT ANSWER -Albert Einstein
Alexandrite laser is in the visible light spectrum at what wavelength? - CORRECT ANSWER -
755nm
,The Nd:YAG laser falls in the invisible light spectrum with a wavelength of what? -
CORRECT ANSWER -1064nm
What type of wave is used in laser hair removal? - CORRECT ANSWER -Pulsed wave
A chromophore is also known as what? - CORRECT ANSWER -Target
The chromophore absorbs what? - CORRECT ANSWER -Energy
Googles are approved by? - CORRECT ANSWER -ANSI (American National Standard Institute)
Each laser wavelength is what to it's machine? - CORRECT ANSWER -Specific
What are the parameters when doing laser hair removal? - CORRECT ANSWER -1. Wavelength
2. Spot size
3. Fluence
4. Pulse Width
Pulsed lasers allow for selective heating of specificBtargets, this is also known as? -
CORRECT ANSWER -Selective Photothermolysis
Rate/amount of energy delivered within a given area is? - CORRECT ANSWER -Fluence
Increase in fluence equals an increase in what? - CORRECT ANSWER -Heat
, Length of time the light/energy is in contact with the target that is measured in milliseconds? -
CORRECT ANSWER -Pulse width/Pulse duration
If the time of pulse duration is changed from milliseconds to nanoseconds the laser is what? -
CORRECT ANSWER -Q Switched
A Q-Switched laser is used for what? - CORRECT ANSWER -Tattoo Removal
Which skin types can tolerate an ALEX LASER? - CORRECT ANSWER -Fitzpatrick 1-4
Which skin types can tolerate an Nd:YAG laser? - CORRECT ANSWER -ALL SKIN TYPES
Which skin type can only have electrolysis? - CORRECT ANSWER -Type 1
If the pulse width is greater than the thermal relaxation time, it results in? - CORRECT ANSWER -
A Burn
If the pulse width is less than or equal to the thermal relaxation time, it results in? -
CORRECT ANSWER -Perfect hair removal
Larger structures have what thermal relaxation times (TRT)? - CORRECT ANSWER -Longer
Smaller structures have what thermal relaxation times (TRT)? - CORRECT ANSWER -Shorter
What kind of pulse widths protect the epidermis, penetrate deeper, and cool more slowly? -
CORRECT ANSWER -Long