Laser Exam Questions With 100% Correct Answers 2024

Laser Exam Questions With 100% Correct Answers 2024 What does LASER stand for? light amplification by stimulated emission of radiation what is the name of the scale that measures all known wavelengths electromagnetic spectrum what determines the depth penetration Wavelength and spot size the four basic parameters of laser wavelength, spot size, fluence, and pulse width what are the basic IPL parameters filter, pulse width, fluence How is wavelength measured? nanometers (nm) peak to peak thermal relaxation time is the time necessary for target tissue to cool down by what percentage? From 100% of the heat to 50% cooler what are the four types of epidermal cooling? 1. chilled or cooling gel 2. contact cooling including sapphire tip 3. cryogen spray 4. air cooling what are the three principles of selective photothermolysis? wavelength, pulse width, and fluence eye protection is needed while using which classification of lasers? 3B and 4 what type of eyewear should the client wear? the same laser goggles as the technician with appropriate wavelength protection. What is optical density? The amount of attenuation (resistance filter) or a reduction of radiant laser energy as it passes through the filter material in the laser eyewear Where should fire extinguishers be located? in the treatment room how long should a client avoid sun for a laser cosmetic and aesthetic treatment? 4 weeks how long should a client avoid sun before laser hair removal? 2-4 weeks tetracycline is an oral antibiotic use to treat what? acne erythromycin is a topical antibiotic use to treat what? acne which rays penetrate deeper into the subcutaneous layer? UVA what skin types require a test spot? III and IV how long do you postponed laser for a client who was on accutane? 6 months and must do a test spot a test spot gives you the ability to determine what two things? check the clinical endpoint and gives you the ability to determine client tolerance. what are the clinical end points for hair removal? pigment? vascular? acne? hair removal - perifollicular edema pigment - slight redness around the lesion and darkening vascular - change in color from red to gray acne - lesion should be flattened some and less inflamed what can be applied on the skin immediately after a laser hair removal treatment? ice or a cold compress where on the spectrum are ionizing rays? 390nm or less what topical cream should a client apply during the entire laser commitment? sunscreen what does every laser target ? melanin laser plume can cause what type of health issues? respiratory problems how is laser plume caused? Laser beam interaction with tissue who regulates our laser devices? FDA hydroquinone 4% is a topical cream used to help treat what? hyperpigmentation fluence is measured in what? joules what should the technician do during the consultation? the technician should analyze the area of treatment for skin-typing, as well as addressing any concerns of the client. you should also write a treatment plan for the client providing details on what to expect. what is the first line of protection from exposure to laser generated airborne contamination? ventilation system what fitzpatrick skin types are asian skin types classified as? III/IV Out of all of the ways laser can interact with the tissue, in order to get the best results we need which one? absorption what is the best way to clean the skin for laser if a client has no lotions, makeup, or deodorant on? just water what is rubys wavelength? 694 nm what is clinical endpoint? how the skin looks after the treatment would laser safety error example be using an extensions cord to plug in the laser machine? yes we always do a spot test on which skin types? III and IV what is skin type two? Caucasian how do you clean a laser / ipl lens after each treatment? dry heat sterilizer what is expected post laser / ipl treatment? erythema what can happen with excess sweating post lasted treatments? folliculitis what is the name of the scale used to measure energy by their wavelength? electromagnetic spectrum how you should clean a laser lens? alcohol free cleanser after an injury during laser, when should you make an assessment? within 4 hours UVA rays are what wavelength? 320-400 how the FDA certify or classify the machines? by the hazards they cause eye and skin which is the visible light in the electromagnetic spectrum? non-ionizing rays 400-700nm