Laser Hair Removal Exam Questions and Answers 100% Accurate
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Course
Laser Hair Removal
Institution
Laser Hair Removal
Laser Hair Removal Exam Questions and Answers 100% AccurateLaser Hair Removal Exam Questions and Answers 100% AccurateLaser Hair Removal Exam Questions and Answers 100% AccurateWhat does LASER stand for? - ANSWER-Light amplification by stimulated emission of radiation
Range of visible light - AN...
Laser Hair Removal Exam Questions
and Answers 100% Accurate
What does LASER stand for? - ANSWER-Light amplification by stimulated emission of
radiation
Range of visible light - ANSWER-400-700nm
What are actinic rays - ANSWER-Damaging rays that come from the sun
What is GnRH? - ANSWER-Gonadotropin Releasing Hormone, the hormone produced
and released by the hypothalamus. GnRH controls the pituitary glands production and
release of gonadotropins.
What are Photons? - ANSWER-Small parcels of energy
Examples of lasers and used in hair removal and their wavelengths - ANSWER-Nd:
YAG 1064nm
Diode 800nm
Alexandrite 755nm
Ruby 694 nm
The amount of energy carried by photons is relative to their wavelength - the shorter the
wavelength, the greater the energy.
TRUE OR FALSE? - ANSWER-TRUE
What is the wavelength of red light? - ANSWER-700nm
What is the wavelength of Violet light? - ANSWER-400nm
, What is a nanometer? - ANSWER-The usual measure of light wavelength - is one
billionth of a meter, abbreviated as nm
Visible light is what wavelength? - ANSWER-400-700nm
What is the wavelength of ultraviolet light? - ANSWER-Less than 400nm
What is wavelength of infrared light? - ANSWER-700nm and up
Laser are usually named according to the particular medium the utilize
(ex. Nd:YAG, ruby)
TRUE OR FALSE? - ANSWER-TRUE
List 3 characteristics of laser light - ANSWER-Monochromatic
Collimated
Coherence
Define Monochromatic - ANSWER-Consists of photons of a single wavelength or a very
narrow band of wavelengths.
Collimated - ANSWER-All of its rays travel parallel to one another in a single direction,
with very little divergence (spreading) over long distances. This allows light to be
focused to a very high intensity
Stimulated Emission? - ANSWER-The process of excited state decay with photon
emission induced by the interaction with another like photon.
The four interactions between laser light. and tissue are: - ANSWER-Absorption
Scattering
Reflection
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