Laser technician test Study Guide.
3 layers of skin - Answer✔Epidermis Dermin Hypodermis
Stratumbasale - Answer✔the only layer where cells divide and reciprocate
Melanin - Answer✔gives the hair and skin color and provides protection from the harmful
effects
How many melanocytes does everyone have - Answer✔roughly the same number of
melanocytes your genetics is the primary determination fo how melanin if found in the skin
Melanocytes - Answer✔are actively producing melanin for approximately 14 days post UV
exposure
Hyperpigmintation - Answer✔Darker than normal pigmentation, appearing as dark splotches.
hypopigmentation - Answer✔areas of skin lacking color because of deficient amounts of
melanin
May also play a role in scar formation injuries or trauma that penetrate past the epidermal -
dermal junction into into the dermis interfere in the skins ability to regenerate normally and are
more likely to scar - Answer✔
SAFETY - Answer✔fitzpatrick scale contraindications to treatment and wavelength safety
If theyre darker do not go ___________ on the scale - Answer✔lower
_______________ wavelength for fair skin - Answer✔shorter
________________ wavelength deeper for skin - Answer✔longer
Anagen - Answer✔the growth phase
Catagen - Answer✔the regression transition
Telogen - Answer✔the resting dormant phase
hirutism - Answer✔effects only women excessive hair growth in a male pattern
Hypertrichosis - Answer✔excessive hair growth anywhere on the body male and female
1|Page
, ©BRIGHSTARS 2024/2025 ALL RIGHTS RESERVED.
PCOS - Answer✔polycystic ovarian syndrome
Is PCOS a contradiction - Answer✔not to laser hair reduction
LASER - Answer✔L is laser
A - Answer✔Amplification
S - Answer✔Simulated
E - Answer✔Emission
R - Answer✔Radiation
light is recognized by? - Answer✔Light is recognized by its wavelength
Wavelength - Answer✔is measured in nanometers
Example - Answer✔700 nm is shallower in the skin than 1300 nm
The break between ionizing and non ionizing radiation is - Answer✔400 nm
Visible light - Answer✔Visible spectrum is the portion of the EMS that is visible to the human
eye 400 nm to 780 nm
The optical cavity - Answer✔made of highly reflective chamber that is shaped like a narrow tube
or cylinder
The laser medium - Answer✔Lasers are named according to the medium which can be solid
liquid gas or semiconductor
Coherent - Answer✔means that the crests and troughs of the waves are synchronies or in phase
collimated - Answer✔light waves travel parallel to one another to fo0rm a light beam
Absorption - Answer✔when the energy from a beam of light is transferred to a material and the
interaction causes energy to convert to heat
Melanin - Answer✔pigment age spots sun damage freckles and birthmarks
hemoglobin - Answer✔blood spiderveins telangiectasia rosacea vascular birthmarks
water - Answer✔intra and extra cellular water
Tattoo ink - Answer✔
Porphyrius - Answer✔acne bacteria that lives in the pores
Hair removal and tattoos - Answer✔never go over a tattoo with a hair laser removal
2|Page