Laser Hair Removal and Dermatology
Overview Exam Questions Correct
Answers Current Update (Verified A+
Pass)
Accutane AKA Isotretinoin - ✔✔A medication that must NOT be used by patients
undergoing laser-assisted hair removal.
Melanin - ✔✔The targeted chromophore in the hair follicle for the Nd:Yag laser.
Skin Pigmentation - ✔✔The primary factor that determines the selection of fluence level
during laser hair removal treatment.
Hydrogen peroxide and sodium hydroxide (lye) - ✔✔Substances deposited at the site of
the negative electrode during use of electrolysis equipment.
Depth of penetration - ✔✔The most important consideration associated with spot size
in laser hair removal.
Capacitive return - ✔✔The reason electrologists can use radio frequency current
without a grounding pole.
Author: Katelyn Whitman. ©2025, All Rights Reserved.
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Fluence - ✔✔Typically delivered with a certain amount of energy to localize thermal
effects.
Pulse duration - ✔✔The length of time that energy is applied with the laser.
Heat generation - ✔✔The method by which lasers disable hair follicles.
Addison's disease - ✔✔A condition known as adrenocortical insufficiency.
Glucose intolerance and cardiovascular disease - ✔✔Conditions that women exhibiting
obesity, hirsutism, and menstrual irregularities are at increased risk of developing.
Hair Growth - ✔✔Related to race and ethnicity.
Dermatographia - ✔✔An irritating, vesicular skin eruption of systemic origin.
Photoallergenic and phototoxic reactions - ✔✔Potential issues that can arise if a
complete medical history and medication list is not obtained from candidates for laser
hair removal.
Chromophores - ✔✔Substances that absorb photons, including melanin's ability to
absorb laser photons.
Permanent Hair reduction - ✔✔Defined by the FDA as long term stable reduction of
hair re-growth after treatment.
Photoablation - ✔✔Total destruction of tissue.
Author: Katelyn Whitman. ©2025, All Rights Reserved.