Download 2025-2026 IBEC ELECTROLYSIS AND LASER STATE BOARD FINAL EXAM|490+Qs&As|ALREADY GRADED A+ and more Exams Cosmetology in PDF only on Docsity!
2025 - 2026 IBEC ELECTROLYSIS AND LASER STATE
BOARD FINAL EXAM|COMPLETE 490 QUESTIONS
AND ANSWERS|GRADED A+
Laser stands for what? - ANS:-- Light Amplification by Stimulated Emission of Radiation Light is the distance measured in nanometers between two peaks or two troughs known as? - ANS :-- Wavelength Light of only one color & one specific wavelength is known as? - ANS:-- Monochromatic Refraction is also known as what? - ANS: -- 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? - ANS:-- Stimulated Emission
The states of equilibrium or middle state of light - ANS:-- Metastable State Who theorized stimulated emission? - ANS: -- Albert Einstein The part of the laser that contains the active medium is called? - ANS:-- Resinator cavity What are the states of light in stimulated emission? - ANS:-- Ground State Excited State Singlet State Metastable State Alexandrite laer is in the visible light spectrum at what wavelength? - ANS: -- 755 nm The Nd:YAG laser falls in the invisible light spectrum with a wavelength of what? - ANS :-- 1064 nm What type of wave is used in laser hair removal? - ANS:-- Pulsed wave A chromophore is also know at what? - ANS:-- Target
The length of time the light/energy is in contact with the target that is measured in milliseconds (ms): - ANS:-- Pulse width/Pulse duration If the time of pulse duration is changed from milliseconds to nanoseconds the laser is what? - ANS:-- Q Switched A Q switched laser is used for what? - ANS:-- Tattoo removal Which skin types can tolerate an Alex laser? - ANS:-- 1 - 4 Which skin types can tolerate a Nd:YAG laser? - ANS :-- All skin types Which skin type should only have electrolysis and no laser? - ANS:-- Type 1 If the pulse width is greater than the thermal relaxation time it results in? - ANS:-- Aburn
If the pulse width is less than or equal to the thermal relaxation time it results in? - ANS:-- Perfect hair removal Larger structures have thermal relaxation times (TRT) - ANS:-- Longer Smaller structures have thermal relaxation times (TRT) - ANS:-- Shorter What kind of pulse widths protect the epidermis, penetrate deeper and cool more slowly? - ANS:-- Long Longer pulse widths are for what skin type? - ANS:-- 4 - 6 What kind of pulse widths are more aggressive and heat up and cool down quickly? - ANS:-- Short Shorter pulse widths are for what skin type? - ANS:-- 1 - 3 What percentage of follicles are damaged with each laser treatment? - ANS:-- 15% What is a long-term stable reduction of the growing hairs after a treatment regime? - ANS:-- Laser Hair Removal (LHR)
Spot size is measured in what unit? - ANS:-- millimeters (mm) Repetition rate is measured in what unit? - ANS:-- hertz (Hz) Who is the grandfather of laser and was the first person to use water to cool the skin during laser? - ANS:-- Rox Anderson The formula for fluence is? - ANS:-- Joules = J/cm What kind of lasers allow for selective heating of specific targets? - ANS:-- Selective photothermolysis For deeper laser penetration what should the practitioner do to the laser? - ANS:-- Change to a bigger spot size The primary reason for using cooling devices during laser hair removal is? - ANS:-
- 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? - ANS:-- A series of treatments The principle that says energy must be absorbed by an object in order to produce an effect is called? - ANS:-- Grotthuss-Draper law What is laser light? - ANS:-- Monochromatic light Laser is equivalent to which of the following modalities? - ANS:-- Thermolysis An element has the ability to produce laser when it is in which state? - ANS:-- Metastable state What are the positive reactions to the skin indicating a successful LHR treatment? - ANS:-- Perifollicular erythema, perifollicular edema Incandescent light is an example of? - ANS:-- Incoherent light A requirement for foot switches that directly pulse the laser is that they be? - ANS:-- Hooded The effect of skin turning red after treatment is referred to as? - ANS:-- Erythema
An allergic phototoxic reaction can occur up to how many hours post- treatment? - ANS:-- 24 Which part of the body is most vulnerable to laser light? - ANS:-- Eyes (cornea, retina, and lens) What is used to cool the inside of most pulsed lasers during operation? - ANS:-- Distilled water What is the chromophore when using the Nd:YAG laser for hair removal? - ANS:-
- Melanin in the hair shaft and bulb What is the FDA class that presents both a direct and reflected hazard? - ANS:-- Class IV What is considered a natural chromophore for hair removal lasers? - ANS:-- melanin in the hair shaft and bulb Hair removal lasers are effective on which types of hair follicles? - ANS:-- 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? - ANS:-- Detached hair becoming trapped under the skin Laser hair removal is least effective on follicles in what stage of development? - ANS:-- Telogen The voluntary nationally recognized group establishing standards for equipment use isknown as? - ANS:-- American National Standards Institute (ANSI) types of epidermal cooling - ANS:-- 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? - ANS:-- Longer wavelengths (diode 810nm or Nd:YAG 1064nm) Who is considered to be the "father of lasers" in medicine? - ANS:-- Leon Goldman Components of the laser include - ANS:-- A flashlamp/high intensity non-coherent
What is considered the chromophore when a laser is used to treat red spider veins? - ANS:-- Oxyhemoglobin (blood) Serum and lymph passing through vessel walls into tissue is known as? - ANS:-
- Edema Permanent hair reduction according to the FDA is defined as? - ANS:-- A long term stable reduction in the number of hair regrowing after a treatment regime What is the correct definition of "chromophore" as it relates to laser treatment in general? - ANS:-- The object that absorbs the light energy What can occur with excess heating of the skin? - ANS:-- hypo/hyper- pigmentation Hypertrophies A basic Fitzpatrick scale takes into account what? - ANS:-- Skin color Natural hair color Sensitivity to sunlight For best results during laser hair removal treatments, follicles should be in what stage? - ANS:-- late anagen
What is the primary reason that multiple treatments are necessary in laser hair removal? - ANS:-- 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? - ANS:-- 4 - 8 weeks What is the correct range for visible light in the electromagnetic spectrum? - ANS:-- 390 - 700 nanometers The ruby laser produces light at which wavelength? - ANS:-- 694nm The time it takes the target structures to lose a percentage of the heat absorbed is known as? - ANS:-- Thermal Relaxation Time (TRT) A watt per second - ANS:-- Joule What type of non-laser light is also used for hair removal? - ANS:-- Intense pulsed light (IPL) polychromatic The law of thermodynamics says that? - ANS:-- Atoms are always active
To minimize the effect of chemical compound deposited (Chlorine & hydrochloric acid) at the positive side - ANS:-- 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 - ANS:-- What is determined by the surface area of each electrode PCOS/Stein Leventhal syndrome - ANS:-- What disease is characterized by irregular menstrual cycle Idiopathic hirsutism - ANS:-- Hirsutism with no identifiable cause is Teardrop or pear - ANS:-- The shape of the heated area surrounding the high frequency needle is the shape of High frequency and galvanic current - ANS:-- The blend is achieved by using more caustic - ANS:-- Using the blend modality, the application of thermolysis causes the lye to be superfluous - ANS:-- What is excess hair that is not abnormal for a persons age
and sex, but is not desired or socially acceptable Thyroxine (T4) - ANS:-- What hormone produced by the thyroid gland helps keep the bodies function (metabolism) working at the correct piece Early anagen - ANS:-- When a client has been tweezing weekly, most of the hair in the area of tweezing will be in what stage of growth Terminal - ANS:-- What types of hairs are deep, course, usually pigmented Vellus - ANS:-- What type of hair is fine, short and often called "peach fuzz" Ferriman Gallway score - ANS:-- What is the method of grading or evaluating hirsutism in women Accelerated vellus hair - ANS:-- If a vellus hair is stimulated to grow deeper and courser, it is said to be a Dermis (not fibrous portion) - ANS:-- In which of the following layers of the skin are mast cells found LH (luteinizing hormone) - ANS:-- Which of the following hormones will cause
collagen and elastic fibers Subcutaneous and subcutis - ANS:-- Which layer is at the base of the dermis and is composed of fatty adipose tissue inner root sheath (IRS) - ANS:-- What serves as an anchor and holds the hair in the follicle Apocrine glands - ANS:-- What type of gland is located in the genital and axillae areas and usually the "smelly ones" Under arm - ANS:-- In what area of the body do the apocrine glands tend to be the largest Sebaceous gland - ANS:-- In which gland does the vellus hair originate Sebum (lipids) - ANS:-- What is produced by the sebaceous gland that helps lubricate and protect the skin Late anagen - ANS:-- In which state of hair growth is hair easiest for electrologist toepilate
Arrector pili - ANS:-- What is an appendage to the hair follicle that is attached midway between the bulb in the sebaceous gland (gives goosebumps or makes hair stand up) Lanugo - ANS:-- What is also known as baby fetal hair that falls off a few weeks after birth Langerhans cells (immunity) - ANS:-- What are the first cells in the epidermis that fight infection or invading microorganisms Cortex - ANS:-- Which layer of the hair has cells that contain melanin Medulla, cortex, cuticle - ANS:-- Name the layers of the hair from the inside out Legs - ANS:-- On which part of the body do you find the most red dots after electrolysis Electrolysis (galvanic) - ANS:-- What is the only permanent hair removal procedure Herpes type 1 and type 2 (HSV-1/HSV-2) and warts HPV - ANS:-- What type of contagious outbreaks should not be treated with electrolysis during outbreak
