Laser Technician Exam Questions AND Correct Answers
A __ form of radiation has enough power to remove an electron from an atom
or molecule, this form can cause cell - ✔✔Ionizing, mutation
A ___ form of radiation will supply enough energy to move an electron to a
higher energy level exciting the atom - ✔✔Non-ionizing
A student must have ____ hours of documented laser observation for each laser
hair removal - ✔✔24
A true laser beam is... - ✔✔Coherent, collimated, monochromatic
A true laser is an example of a light created by the .... - ✔✔Stimulated emission
of radiation
Acnes is a disease of the __ and __ of the skin - ✔✔Sebaceous glands, hair
follicles
Actinic keratosis are ___ persistent lesions that dont go away - ✔✔Pre-
cancerous
All electromagnetic radiation has energy and the amount of energy depends on
- ✔✔Wavelength
Amplitude - ✔✔Intensity, measures the vertical height of the wave, the taller
the wave the greater the energy
,An atom with an electron located anywhere but its lowest orbit is said to be
____ and has more than its minimum amount of energy - ✔✔Excited
An exited atom can be brought down to its ground state by ___ it with a photon
having the same ____ as the photon to be emitted - ✔✔stimulating, frequency
Anagen - ✔✔The adaptive growing phase
As wavelength gets ___ and more frequent, their energy ___ - ✔✔Smaller,
increases
Benefits of using gel
A) helps cool the skin
B) provides slip and glide
C) improves absorption
D) protects the skin from rebound energy
E) all of the above
D) none of the above - ✔✔E) all of the above
Catagen - ✔✔The regression phase
Changing __changes your power density - ✔✔Spot size
, Characteristics of rosacea - ✔✔Papules, pustules, blushing and flushing,
telangiectasia
Common clinical endpoint of hair reduction
A) perifollicular edema
B) erythema
C) itchiness
D) A & B - ✔✔D) perifollicular edema and erythema
Competing chromophore in photo facial - ✔✔Melanin in surrounding hair
Electromagnetic radiation waves are described as ... - ✔✔Wavelength,
frequency, amplitude, velocity
Exposure to a 10600 nm and 2940 laser can be detected by ____ pain on the ___
or sclera - ✔✔Burning in the cornea
FDA approves the ___ of laser - ✔✔Marketing
Fibroblasts produce - ✔✔Collagen, elastin, matrix proteins
follicle - ✔✔Cavity in the skin that holds and protects the active or living cells
that become the non-living strand of hair
Four laser mediums - ✔✔Liquid, electronic, gas, solid
A __ form of radiation has enough power to remove an electron from an atom
or molecule, this form can cause cell - ✔✔Ionizing, mutation
A ___ form of radiation will supply enough energy to move an electron to a
higher energy level exciting the atom - ✔✔Non-ionizing
A student must have ____ hours of documented laser observation for each laser
hair removal - ✔✔24
A true laser beam is... - ✔✔Coherent, collimated, monochromatic
A true laser is an example of a light created by the .... - ✔✔Stimulated emission
of radiation
Acnes is a disease of the __ and __ of the skin - ✔✔Sebaceous glands, hair
follicles
Actinic keratosis are ___ persistent lesions that dont go away - ✔✔Pre-
cancerous
All electromagnetic radiation has energy and the amount of energy depends on
- ✔✔Wavelength
Amplitude - ✔✔Intensity, measures the vertical height of the wave, the taller
the wave the greater the energy
,An atom with an electron located anywhere but its lowest orbit is said to be
____ and has more than its minimum amount of energy - ✔✔Excited
An exited atom can be brought down to its ground state by ___ it with a photon
having the same ____ as the photon to be emitted - ✔✔stimulating, frequency
Anagen - ✔✔The adaptive growing phase
As wavelength gets ___ and more frequent, their energy ___ - ✔✔Smaller,
increases
Benefits of using gel
A) helps cool the skin
B) provides slip and glide
C) improves absorption
D) protects the skin from rebound energy
E) all of the above
D) none of the above - ✔✔E) all of the above
Catagen - ✔✔The regression phase
Changing __changes your power density - ✔✔Spot size
, Characteristics of rosacea - ✔✔Papules, pustules, blushing and flushing,
telangiectasia
Common clinical endpoint of hair reduction
A) perifollicular edema
B) erythema
C) itchiness
D) A & B - ✔✔D) perifollicular edema and erythema
Competing chromophore in photo facial - ✔✔Melanin in surrounding hair
Electromagnetic radiation waves are described as ... - ✔✔Wavelength,
frequency, amplitude, velocity
Exposure to a 10600 nm and 2940 laser can be detected by ____ pain on the ___
or sclera - ✔✔Burning in the cornea
FDA approves the ___ of laser - ✔✔Marketing
Fibroblasts produce - ✔✔Collagen, elastin, matrix proteins
follicle - ✔✔Cavity in the skin that holds and protects the active or living cells
that become the non-living strand of hair
Four laser mediums - ✔✔Liquid, electronic, gas, solid
