- Online with Hands-on Practicum Actual
Questions and Answers | Updated 2025
What does LASER stand for? - ANSWER Light amplification by stimulated
emission of radiation
True or False; All laser light is visible. - ANSWER False
What is the wavelength of light unit of measurement? - ANSWER NM
Target that absorbs laser energy - ANSWER What is a chromophore?
Which one of the following is not a true characteristic of a TRUE laser? -
ANSWER polychromatic
What kind of light is IPL? - ANSWER broadband
What is the process of destroying the target without damaging the surrounding
tissue? - ANSWER Selective photothermolysis
True or False; A patient comes in for Laser hair removal on her upper lip and chin;
you notice an active cold sore on her bottom lip. You should go ahead and do the
treatment at a lower setting. - ANSWER False
, What wavelengths do we most commonly use in Laser hair removal? 700 -1064nm
- ANSWER 700 -1064nm
What is the measurement of energy when doing Laser hair removal? -
ANSWER Joules
Which one of the following is not a layer of the skin? - ANSWER Matrixyldermis
What is the targeted chromophore when performing Laser Hair removal? -
ANSWER Melanin in the hair follicle
How many stages of hair growth are there? - ANSWER 3
What is the active stage of hair growth? - ANSWER Anagen
As the wavelength increases the melanin absorption in the skin____________ -
ANSWER decrease
1064 nm - ANSWER Which one of the following wavelengths is best for skin
types 4-6?
True or False; Hair must be waxed or plucked 1 week prior to treatment -
ANSWER False
Potential side effects of laser include: - ANSWER -Erythema