Electrolysis IBEC+Laser STATE BOARD Practice test 2023 Questions with Correct Answers|UPDATED 2024 !!!

Electrolysis IBEC+Laser STATE BOARD Practice test 2023 Questions with Correct Answers|UPDATED 2024 !!! Laser stands for what? Light Amplification by Stimulated Emission of Radiation What is the distance measured in nanometers between two peaks or two troughs known as? Wavelength Light of only one color & one specific wavelength is known as? Monochromatic Refraction is also known as what? Transmission The process where by a newly created photon of light (generated through amplification) acquires energy equal to the photons that created it is known as? Stimulated Emission The states of equilibrium or middle state of light Metastable State Who theorized stimulated emission? Albert Einstein The part of the laser that contains the active medium is called? Resinator cavity What are the states of light in stimulated emission? Ground State Excited State Singlet State Metastable State Alexandrite laer is in the visible light spectrum at what wavelength? 755 nm The Nd:YAG laser falls in the invisible light spectrum with a wavelength of what? 1064 nm What type of wave is used in laser hair removal? Pulsed wave A chromophore is also know at what? Target The chromophore absorbs what? Energy Goggles worn by the patient and practitioner must be approved by which group? ANSI (American National Standard Institute) for Class 3B and Class 4 Lasers Each laser wavelength is what to its machine? Specific What are the parameters when doing laser hair removal? Wavelength Spot Size Fluence Pulse Width Pulsed lasers allow for selective heating of specific targets, this is also known as? Selective Photothermolysis The rate/amount of energy delivered within a given area is known as? Fluence An increase in fluence equals an increase in what? Heat. Resulting in more damage The length of time the light/energy is in contact with the target that is measured in milliseconds (ms): Pulse width/Pulse duration If the time of pulse duration is changed from milliseconds to nanoseconds the laser is what? Q Switched A Q switched laser is used for what? Tattoo removal Which skin types can tolerate an Alex laser? 1-4 Which skin types can tolerate a Nd:YAG laser? All skin types Which skin type should only have electrolysis and no laser? Type 1 If the pulse width is greater than the thermal relaxation time it results in? A burn If the pulse width is less than or equal to the thermal relaxation time it results in? Perfect hair removal Larger structures have __________ thermal relaxation times (TRT) Longer Smaller structures have _______ thermal relaxation times (TRT) Shorter What kind of pulse widths protect the epidermis, penetrate deeper and cool more slowly? Long Longer pulse widths are for what skin type? 4-6 What kind of pulse widths are more aggressive and heat up and cool down quickly? Short Shorter pulse widths are for what skin type? 1-3 What percentage of follicles are damaged with each laser treatment? 15% What is a long-term stable reduction of the growing hairs after a treatment regime? Laser Hair Removal (LHR) What does the FDA call laser hair removal? Permanent hair reduction What is the highest setting the skin can tolerate without damage called? Fluence Threshold What is the highest setting the patient can tolerate without the treatment becoming impossible called? Patient Threshold The amount of hair per one square centimeter is known as? Hair density The higher the hair density, the _______ the fluence? Lower What percentage of overlapping do you want when doing LHR? 30% Darker/tanned skin requires what kind of fluence? Lower What should you never use to clean a patient's skin prior to LHR? Alcohol Pulse duration is measured in what unit? milliseconds (ms) Spot size is measured in what unit? millimeters (mm) Repetition rate is measured in what unit? hertz (Hz) Who is the grandfather of laser and was the first person to use water to cool the skin during laser? Rox Anderson The formula for fluence is? Joules = J/cm2 What kind of lasers allow for selective heating of specific targets? Selective photothermolysis For deeper laser penetration what should the practitioner do to the laser? Change to a bigger spot size The primary reason for using cooling devices during laser hair removal is? Allows for higher and more effective fluences to be used while sparing the epidermis During the initial consultation, the patient should be informed that the process will take how long for laser hair removal? A series of treatments The principle that says energy must be absorbed by an object in order to produce an effect is called? Grotthuss-Draper law What is laser light? Monochromatic light Laser is equivalent to which of the following modalities? Thermolysis An element has the ability to produce laser when it is in which state? Metastable state What are the positive reactions to the skin indicating a successful LHR treatment? Perifollicular erythema, perifollicular edema Incandescent light is an example of? Incoherent light A requirement for foot switches that directly pulse the laser is that they be? Hooded The effect of skin turning red after treatment is referred to as? Erythema An over treatment of the skin characterized by blistering or epidermal separation, caused by lateral pressure on the skin is known as? Nikolski Sign When tissue has been injured, fluid escapes the blood vessels to surround the damaged tissue. This is referred to as? Edema The common type of laser used for hair removal is? Pulsed Total destruction of tissue using laser energy is known as? photoablation Laser is ineffective on hair that has? Little to no pigment The energy level of a laser, measured in joules is known as? Energy fluence Lightwaves that travel in perfect unison, parallel and in the same direction are known as? Coherent light Optical density labeling on laser safety eyewear refers to? the degree to which a refractive medium retards transmitted rays of light An allergic phototoxic reaction can occur up to how many hours post-treatment? 24 Which part of the body is most vulnerable to laser light? Eyes (cornea, retina, and lens) What is used to cool the inside of most pulsed lasers during operation? Distilled water What is the chromophore when using the Nd:YAG laser for hair removal? Melanin in the hair shaft and bulb What is the FDA class that presents both a direct and reflected hazard? Class IV What is considered a natural chromophore for hair removal lasers? melanin in the hair shaft and bulb Hair removal lasers are effective on which types of hair follicles? Curved Distorted Straight What is most likely the cause of red, itchy bumps in the treatment area 10-14 days after a patient's laser hair removal treatment? Detached hair becoming trapped under the skin Laser hair removal is least effective on follicles in what stage of development? Telogen The voluntary nationally recognized group establishing standards for equipment use is known as? American National Standards Institute (ANSI) types of epidermal cooling Bulk - gel (topical) contact - a window cooled by circulating liquid cryogen spray - applied pre-laser pulse air - zimmer cooler LHR on patients with a Fitzpatrick of V & VI requires? Longer wavelengths (diode 810nm or Nd:YAG 1064nm) Who is considered to be the "father of lasers" in medicine? Leon Goldman Components of the laser include A flashlamp/high intensity non-coherent light source, Lasing medium, Fiber optics and lenses What are the properties of light when it reacts with tissue? Scatter Transmission Absorption Reflection What is the waiting period before laser treatment after a patient stops taking Accutane? 180 days (6months) Longer laser lengths, penetrate the tissue Deeper An increase in color in cells post treatment is referred to as? Hyperpigmentation The duration on the pulse from a laser is known as? Pulse width What is most critical for protecting the skin during laser hair removal? Cooling the skin What is considered the chromophore when a laser is used to treat red spider veins? Oxyhemoglobin (blood) Serum and lymph passing through vessel walls into tissue is known as? Edema Permanent hair reduction according to the FDA is defined as? A long term stable reduction in the number of hair regrowing after a treatment regime