Laser Final Exam Questions with 100% Correct Answers | Verified | Updated 2024

Laser Final Exam Questions with 100% Correct Answers | Verified | Updated 2024 created the first laser Theodore mainmon created the ruby 694 laser organizations who provide guidelines for laser/safety training American national standards institute first step of client consultation explain how it works: only targets hair in growth stage which is why multiple sessions are needed. only works on dark hair second step of client consultation explain why you must stick to schedule: growth cycle third step of client consultation explain why you can only shave most surgical lasers are classified as this Hazard Class of Laser class 4 how often are audits conducted every year by laser safety officer all service technicians should have: documented laser safety training and education step 4 of consultation explain contraindications for meds and acceptance because you can burn step 5 of consultation after care instructions: no sun for 1 week after appointment, no exercising or overheating for at least 48 hours. keep shaving for purging hair. must avoid sun exposure non-beam laser hazard burns nominal hazard zone requirements must wear eyewear when inside and follow all control measures who determines the nominal hazard zone laser safety officer organizations that can charge fines OSHA requirements for laser treatment controlled area safety eyewear is available upon entry, only authorized personnel can enter what must be appointed in all health care if using laser laser safety officer laser treatments for estheticians hair reduction are lasers safe? lasers are FDA approved devices that aren't associated with risks of ionizing radiation (ex: x-rays, etc;) what has the FDA approved laser for approved for hair reduction not hair removal definition of laser by the FDA long term, stable reduction of the total amount of hairs growing in the treatment area only permanent method of hair removal recognized by the FDA electrolysis contributed to theory of laser Albert einstein in 1917 how laser hair reduction works by heating. hair is targeted, heated up, and follicle is damaged or destroyed from producing hair Terminal vs Vellus Hair vellus is peach fuzz, thin hair on face & body vs. terminal is coarse hair on scalp, underarms and pubic area what kind of hair does laser works best for? terminal what can happen if you laser vellus hair? it can become terminal hair layers of the skin epidermis, dermis, dermal-subcutaneous tissue (interface), subcutaneous tissue process lasers use selective photothermolysis where is hair? where does it come from? hair follicle in the dermis the different kinds of chromophore melanin, oxyhemoglobin, water definition of chromophore the substance that absorbs laser light adverse reactions of laser burns, hyper/hypo pigmentation, infection, permanent scarring 3 components of Fitzpatrick scale skin color, eye color, hair color Type 1 (Fitzpatrick scale) fair, light skin, light eyes and light hair (including red). never tans, always burns (within 10-15 min) Type 2 (Fitzpatrick) fair, light eyes, light hair, sometimes tans/usually burns within 20-30 mins Type 3 (Fitzpatrick) light skin, light or dark hair/eyes, tans gradually/sometimes burns within 30-40 mins Type 4 (Fitzpatrick) meditterranean, hispanic, asian skin, olive skin. light or dark hair types. tans easily/rarely burns (2-3 hours) Type 5 (Fitzpatrick) scale middle eastern, Indian skin. dark hair types. always tans/might burn (5-6 hours) Type 6 ( Fitzpatrick) black skin. never burns/always tans Fitzpatrick for biracial patients always treat towards the darker skin type not candidates for hair reduction + why Light blonde, gray, white, red hair. lack of melanin conditions of removing hair - papilla area and stem cells have to be destroyed - melanin is present in the hair in the anagen stage why multiple sessions are required not every hair in a treatment area are in the same stage at the same time minimum number of treatments 6-10 anagen the growing cycle how long does anagen stage last on the body 4 to 12 months how long does anagen stage last on the scalp 3-5 years catagen regression/transition stage what stage is the shortest catagen how long does the catagen stage last 3 weeks telogen resting/falling out phase hair stages anagen, catagen, telogen how long does telogen stage last 3 months visible light spectrum in nanometers 400-780 nm