Exam (elaborations)
LASER HAIR REMOVAL EXAM QUESTIONS AND ANSWERS
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LASER HAIR REMOVAL EXAM QUESTIONS AND ANSWERS
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By: taylerrebmann • 4 weeks ago
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LASER HAIR REMOVAL EXAM QUESTIONS AND ANSWERSLASER - Answer- Light amplification by the stimulated emission of radiation
Light consist of many wave lengths - Answer- Laser consist of just one
The FDA approved lasers for permanent hair reduction - Answer- In. 1997
When was the Ruby crystal laser invented - Answer- In 1960
The Ruby crystal uses what wavelength - Answer- 694 nm
In 1960 the ruby crystal was invented and used for - Answer- Dermatology and ophthalmology
ELECTROMAGNETIC SPECTRUM of RADIATION - Answer- Visible and invisible light
The light we see belongs to what spectrum - Answer- ELECTROMAGNETIC SPECTRUM of RADIATION
The spectrum of light is arranged by its frequency of its waves - Answer- Longest, lowest waves to shortest highest waves. Radio waves are longest and gamma waves are shortest
Wavelength - Answer- Is the measurement between the distance of two consecutive peaks in a wave ( peak or troughs )
Short wave length - Answer- High frequency High intensity High melanin absorption
Long wave length - Answer- Low frequency Low intensity Low melanin absorption
Ruby laser - Answer- 694nm
Alexandrite - Answer- 755nm
Diode - Answer- 800nm , 810nm
Nd Yag - Answer- 1064nm Ruby and alexandrite - Answer- Short wave length High frequency High intensity
Nd Yag - Answer- Long wavelength Low frequency Low intensity
Nanometers Nm - Answer- How a Wavelength is measured
Infrared - Answer- Lasers are in this wavelength
Radio wave have the longest wavelength in the spectrum - Answer- Radio waves
Infrared light ( IR ) - Answer- Is invisible and thermal
Infrared energy - Answer- Felt as heat on the skin and can be captured in thermal imaging
Longest wavelength visible light - Answer- Red
Shortest wavelength viable light - Answer- Violet
Some laser hair removal devices are in the red light and some are in the near infrared part of the electromagnetic spectrum - Answer- Ultraviolet light - Answer- Highly energetic with shorter wavelengths than visible light
UVA rays - Answer- 95% of UV radiation that reaches the earth
UVA rays - Answer- Penetrate the skin more deeply and are dominate tanning rays. Cause photo aging and skin cancer
UVB rays - Answer- Cause skin burns and effect the epidermis. Also cause cancer and photo aging
UVC RAYS - Answer- Rays are absorbed by the ozone layer and don't reach the earth
Gamma rays - Answer- Have the shortest most powerful wavelength and the most energetic form of light
Gamma rays can kill living cells - Answer- Used in medicine to kill cancerous cells
Laser light - Answer- Is coherent
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