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Electrolysis IBEC+Laser STATE BOARD Practice test 2018 Questions And Answers
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Laser stands for what? - correct answer Light Amplification by Stimulated Emission of Radiation What is the distance measured in nanometers between two peaks or two troughs known as? - correct answer Wavelength Light of only one color & one specific wavelength is known as? - correct answer Monochromatic Refraction is also known as what? - correct answer 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? - correct answer Stimulated Emission
The states of equilibrium or middle state of light - correct answer Metastable State Who theorized stimulated emission? - correct answer Albert Einstein The part of the laser that contains the active medium is called? - correct answer Resinator cavity What are the states of light in stimulated emission? - correct answer Ground State Excited State Singlet State Metastable State Alexandrite laer is in the visible light spectrum at what wavelength? - correct answer 755 nm The Nd:YAG laser falls in the invisible light spectrum with a wavelength of what? - correct answer 1064 nm
Pulsed lasers allow for selective heating of specific targets, this is also known as? - correct answer Selective Photothermolysis The rate/amount of energy delivered within a given area is known as? - correct answer Fluence An increase in fluence equals an increase in what? - correct answer Heat. Resulting in more damage The length of time the light/energy is in contact with the target that is measured in milliseconds (ms): - correct answer Pulse width/Pulse duration If the time of pulse duration is changed from milliseconds to nanoseconds the laser is what? - correct answer Q Switched A Q switched laser is used for what? - correct answer Tattoo removal Which skin types can tolerate an Alex laser? - correct answer 1-
Which skin types can tolerate a Nd:YAG laser? - correct answer All skin types Which skin type should only have electrolysis and no laser? - correct answer Type 1 If the pulse width is greater than the thermal relaxation time it results in? - correct answer A burn If the pulse width is less than or equal to the thermal relaxation time it results in? - correct answer Perfect hair removal Larger structures have __________ thermal relaxation times (TRT) - correct answer Longer Smaller structures have _______ thermal relaxation times (TRT) - correct answer Shorter
What is the highest setting the skin can tolerate without damage called? - correct answer Fluence Threshold What is the highest setting the patient can tolerate without the treatment becoming impossible called? - correct answer Patient Threshold The amount of hair per one square centimeter is known as? - correct answer Hair density The higher the hair density, the _______ the fluence? - correct answer Lower What percentage of overlapping do you want when doing LHR? - correct answer 30% Darker/tanned skin requires what kind of fluence? - correct answer Lower What should you never use to clean a patient's skin prior to LHR? - correct answer Alcohol
Pulse duration is measured in what unit? - correct answer milliseconds (ms) Spot size is measured in what unit? - correct answer millimeters (mm) Repetition rate is measured in what unit? - correct answer hertz (Hz) Who is the grandfather of laser and was the first person to use water to cool the skin during laser? - correct answer Rox Anderson The formula for fluence is? - correct answer Joules = J/cm What kind of lasers allow for selective heating of specific targets? - correct answer Selective photothermolysis
An element has the ability to produce laser when it is in which state? - correct answer Metastable state What are the positive reactions to the skin indicating a successful LHR treatment? - correct answer Perifollicular erythema, perifollicular edema Incandescent light is an example of? - correct answer Incoherent light A requirement for foot switches that directly pulse the laser is that they be? - correct answer Hooded The effect of skin turning red after treatment is referred to as? - correct answer Erythema An over treatment of the skin characterized by blistering or epidermal separation, caused by lateral pressure on the skin is known as? - correct answer Nikolski Sign When tissue has been injured, fluid escapes the blood vessels to surround the damaged tissue. This is referred to as? - correct answer Edema
The common type of laser used for hair removal is? - correct answer Pulsed Total destruction of tissue using laser energy is known as?
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? - correct answer Detached hair becoming trapped under the skin Laser hair removal is least effective on follicles in what stage of development? - correct answer Telogen The voluntary nationally recognized group establishing standards for equipment use is known as? - correct answer American National Standards Institute (ANSI) types of epidermal cooling - correct answer 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? - correct answer Longer wavelengths (diode 810nm or Nd:YAG 1064nm) Who is considered to be the "father of lasers" in medicine? - correct answer Leon Goldman Components of the laser include - correct answer 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? - correct answer Scatter Transmission Absorption Reflection What is the waiting period before laser treatment after a patient stops taking Accutane? - correct answer 180 days (6months)
What is the correct definition of "chromophore" as it relates to laser treatment in general? - correct answer The object that absorbs the light energy What can occur with excess heating of the skin? - correct answer hypo/hyper-pigmentation Hypertrophies A basic Fitzpatrick scale takes into account what? - correct answer Skin color Natural hair color Sensitivity to sunlight For best results during laser hair removal treatments, follicles should be in what stage? - correct answer late anagen What is the primary reason that multiple treatments are necessary in laser hair removal? - correct answer Not all follicles are in the optimum growth stage
Aside from scalp follicles, what is the typical length of the anagen stage in most other body areas? - correct answer 4-8 weeks What is the correct range for visible light in the electromagnetic spectrum? - correct answer 390- nanometers The ruby laser produces light at which wavelength? - correct answer 694nm The time it takes the target structures to lose a percentage of the heat absorbed is known as? - correct answer Thermal Relaxation Time (TRT) A watt per second - correct answer Joule What type of non-laser light is also used for hair removal?
Sodium Hydroxide (NaOH/lye) - correct answer The negative pole produces iatric hirsutism - correct answer Hirsutism resulting from taking certain medications To minimize the effect of chemical compound deposited (Chlorine & hydrochloric acid) at the positive side - correct answer What is the reason for the indifferent electrode to be bigger than the needle in the use of galvanic electrolysis Current density/concentration of current - correct answer What is determined by the surface area of each electrode PCOS/Stein Leventhal syndrome - correct answer What disease is characterized by irregular menstrual cycle Idiopathic hirsutism - correct answer Hirsutism with no identifiable cause is
Teardrop or pear - correct answer The shape of the heated area surrounding the high frequency needle is the shape of High frequency and galvanic current - correct answer The blend is achieved by using more caustic - correct answer Using the blend modality, the application of thermolysis causes the lye to be superfluous - correct answer What is excess hair that is not abnormal for a persons age and sex, but is not desired or socially acceptable Thyroxine (T4) - correct answer What hormone produced by the thyroid gland helps keep the bodies function (metabolism) working at the correct piece Early anagen - correct answer When a client has been tweezing weekly, most of the hair in the area of tweezing will be in what stage of growth