Laser Hair Removal Exam With 100% Correct Answers 2024

Laser Hair Removal Exam With 100% Correct Answers 2024 Daily Maintenance Duties 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? Fault Codes What does L.A.S.E.R. stand for? Light amplification by stimulated emission of radiation What is an atom made of? Electrons, nuetrons, and protons What is a photon? Packet of light energy What is spontaneous emission? Resting stage by emitting a photon What is stimulated emission? Excited stage by emitting two photons A laser beam is generated by... Amplification Laser is light is... Non-ionizing What is ionizing radiation? Gamma rays, x-rays, nuclear radiation that cause cell mutation What is the electromagnetic radiation wave of an Alexandrite laser? 755nm What is the electromagnetic radiation wave of a Nd:Yag laser? 1064nm What is monochromatic? All one color What is coherent? All light waves are in the same phase and parallel What is collimated? All light waves are parallel What is polychromatic? Many colors white What is incoherent? Not the same direction What is not collimated? Not intense What does the Nd:Yag laser target? The hemoglobin and melanin in the hair follicle What does the Alexandrite laser target? Melanin like crazy What makes the IPL different than a laser? Doesn't get as much absorption as laser and is polychromatic, incoherent, and non collimated What is a tattoo removal laser? Q-switched laser How is a Q-switched laser different than an Alex or a Nd:Yag laser? It delivers the energy in a nano second and is photoacoustic What is a nanometer? Measurement of light energy What is photothermolysis? Destruction of a target by selective absorption of light energy What is a chromophore? The target of light. Blood, melanin, and water What is phagocytosis? Physiological process by which the body absorbs and eliminates the destroyed target What is selective photothermolysis? Laser light of a specific target containing the adequate chromophore withe damaging the surrounding tissue. What is thermal relaxation time? Time it takes for the tissue to cool down and dissipate to surrounding skin What are the 4 basic laser parameters? Wavelength, pulse duration, spot size, and fluence What is the pulse duration? Duration of each laser pulse What is the pulse duration of a 755nm laser? 3ms What is the pulse duration of a 1064nm laser? Varies from 3ms to 20ms What do long pulses target? Thick hair What do short pulses target? Fine hair What is the significance of a larger spot size? The energy is delivered and absorbed at a deeper level What is the significance of a smaller spot size? Has more energy but is scattered What spot size has more energy? Small spot size What is fluence? Rate of energy delivered to area What is photothermal? Light energy transformed and dissipated as heat What is photoacoustic? Energy delivered so fast a shock wave is created What is a q-switched laser? Tattoo removal laser What type of laser is a tattoo removal laser? Q-switched, photoacoustic What is photochemical? Light energy that starts a chemical reaction What is photoablation? Heats so quickly and thoroughly the tissue is ablated What are the laser tissue interactions? Photoacoustic, photothermal, photoablative, photochemical What type of laser do we use? Photothermal What are the 4 basic components to a laser? Optical cavity, laser medium, power source, delivery system What type of crystals in the laser medium are in a Nd:Yag laser? Garnet What is the substance of our lasers that produces the laser beam? Solid What determines the wavelength of the laser? Lasing medium What is the dynamic cooling device? Cryogen spray that sprays out just prior to the laser being fired What power source do our lasers use? A 220 electric line Are our optical fibers smooth or reflective Smooth What is the delivery system that our lasers use? Optical fibers What does ANSI stand for? American national standards institute What is the normal DCD set at? 40/40 What safety measurements need to be in every room? Laser danger sign, all doors need to be closed, eyewear must be worn, window must be protected with an opaque covering What class of lasers do we use? Class 4 What is optical density? Measure of how much the laser radiation is reduced as it passes through the protective eyewear What do our lasers damage? The retina What does OSHA require? Lock keys away from lasers at the end of the night What type of mask should be worn? Laser plume mask How often should the laser masks be changed out? After every treatment What two ways are there to fire a laser? Foot pedal and switch on handle What should be used to get rid of plume? Hepa filter or smoke evacuators What does laser target? The melanin in the hair follicle What are the 3 cycles of hair growth? Anagen, catagen, and telogen How often should you see someone for a treatment for the axilla? Every 4-6 weeks How often should you see someone for treatment of the face? Every 4-6 weeks How often should you see someone for treatment of the bikini? Every 4-6 weeks How often should you see someone for the treatment of the trunk? Every 8-10 weeks How often should you see someone for the treatment of the arms? Every 8-10 weeks How often should you see someone for the treatment of the legs? Every 8-10 weeks What stage of hair growth do lasers target? Anagen phase How many weeks prior to tx should a person not wax or pluck? 6 weeks prior What are 3 things to always remember while treating? Overlap your pulses by 20%-30%, stay perpindicular with the skin, stay flush with the skin How long will it take the hair to shed after the tx? 3 weeks What is perifollicular erythema? Redness in the tx area What is perifollicular edema? Swelling in the tx area What is dermagraphism? Too much histamine in the skin What percent of the population suffers with dermagraphism? 90% Can pt's use sunless tanning products? Yes, but they should exfoliate prior to tx and have not used 1 week prior to tx True or False Make sure to use an Alexandrite 755nm laser on a pt that has used sunless tanning products. False True or False Make sure to use a Nd:Yag 1064nm laser on a pt that has used sunless tanning products. True What are the two main things a pt must do prior to any tx? Sign a readiness form and sign a consent What should be done right before firing the laser to a pt's skin? Calibrate the laser and fire once to the floor What are good endpoints to a tx? Perifollicular edema, perifollicular erythema, and dermagraphism When should you perform treatment verification tests? At the start of each day What color is the rubber ring on a gentlelase laser? Black What color is the rubber ring on a gentleyag laser? Blue True or False You should always use a hospital grade disinfectant on the distant gauge lens. False What should be used to cleanse a distant gauge lens? Alcohol True or False Use paper towels or a cotton round to cleanse the hand piece. False What type of water should be used in your laser machine? Distilled water How often should you see a pt for skin tightening treatments? Once a month for 4-6 months What is the fluence setting for skin tightening? 18j/cm2 What is the spot size you should use for skin tightening? 18mm What laser should be used for skin tightening? Gentleyag 1064nm What is pulse duration set for a skin tightening? .50