Laser Hair Removal Exam Questions
Verified Marking Scheme Current
Update (A+ Pass)
Daily Maintenance Duties - Answers -✔✔ Vacuum Vents, Wipe Calport, Wipe Down
Handpiece, Dust Box, Check Slider Window, Check Distilled Water Level, Perform User
Verification
What is in section 6 of the manual? - Answers -✔✔ Fault Codes
What does L.A.S.E.R. stand for? - Answers -✔✔ Light amplification by stimulated
emission of radiation
What is an atom made of? - Answers -✔✔ Electrons, nuetrons, and protons
What is a photon? - Answers -✔✔ Packet of light energy
What is spontaneous emission? - Answers -✔✔ Resting stage by emitting a photon
What is stimulated emission? - Answers -✔✔ Excited stage by emitting two photons
A laser beam is generated by... - Answers -✔✔ Amplification
Laser is light is... - Answers -✔✔ Non-ionizing
What is ionizing radiation? - Answers -✔✔ Gamma rays, x-rays, nuclear radiation that
cause cell mutation
What is the electromagnetic radiation wave of an Alexandrite laser? - Answers -✔✔
755nm
What is the electromagnetic radiation wave of a Nd:Yag laser? - Answers -✔✔ 1064nm
What is monochromatic? - Answers -✔✔ All one color
What is coherent? - Answers -✔✔ All light waves are in the same phase and parallel
What is collimated? - Answers -✔✔ All light waves are parallel
What is polychromatic? - Answers -✔✔ Many colors white
, What is incoherent? - Answers -✔✔ Not the same direction
What is not collimated? - Answers -✔✔ Not intense
What does the Nd:Yag laser target? - Answers -✔✔ The hemoglobin and melanin in
the hair follicle
What does the Alexandrite laser target? - Answers -✔✔ Melanin like crazy
What makes the IPL different than a laser? - Answers -✔✔ Doesn't get as much
absorption as laser and is polychromatic, incoherent, and non collimated
What is a tattoo removal laser? - Answers -✔✔ Q-switched laser
How is a Q-switched laser different than an Alex or a Nd:Yag laser? - Answers -✔✔ It
delivers the energy in a nano second and is photoacoustic
What is a nanometer? - Answers -✔✔ Measurement of light energy
What is photothermolysis? - Answers -✔✔ Destruction of a target by selective
absorption of light energy
What is a chromophore? - Answers -✔✔ The target of light. Blood, melanin, and water
What is phagocytosis? - Answers -✔✔ Physiological process by which the body
absorbs and eliminates the destroyed target
What is selective photothermolysis? - Answers -✔✔ Laser light of a specific target
containing the adequate chromophore withe damaging the surrounding tissue.
What is thermal relaxation time? - Answers -✔✔ Time it takes for the tissue to cool
down and dissipate to surrounding skin
What are the 4 basic laser parameters? - Answers -✔✔ Wavelength, pulse duration,
spot size, and fluence
What is the pulse duration? - Answers -✔✔ Duration of each laser pulse
What is the pulse duration of a 755nm laser? - Answers -✔✔ 3ms
What is the pulse duration of a 1064nm laser? - Answers -✔✔ Varies from 3ms to
20ms
What do long pulses target? - Answers -✔✔ Thick hair
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