Laser Hair Removal Exam Questions
and Answers 100% Correct
What are the layers of the skin? - ANSWER-epidermis, dermis, hypodermis
What are the 2 classifications of hair? - ANSWER-Vellus and terminal hair
Pulse duration and fluence for fitz 1,2,3 - ANSWER--Use higher fluences
-Shorter pulse duration
Pulse duration and fluence for fitz 4,5 - ANSWER--Use a lower fluence
-Use a longer pulse duration
Normal systemic changes - ANSWER--Puberty
-Menopause
-Pregnancy
How is the skin nourished? - ANSWER-Through blood and lymph
3 types of pigment seen in skin - ANSWER-Melanin (brown, red, yellow and black
pigment)
Hemoglobin (red or bluish undertones of the skin)
Carotene (gives yellow undertone)
Hormone definition and their function - ANSWER--Hormones are chemical substances
that pass from their glands directly into the bloodstream.
-Act somewhat as catalysts, which can speed up or slow down the metabolic processes
of the body. They travel throughout the body usually targeting certain organs like a key
, fitting into a certain lock so the role of specific hormones go to specific organs to carry
out specialized functions.
What are the factors that activate hair growth? - ANSWER--Increased blood supply to
the area (topical stimulation)- accelerates
-Hormone stimulation initiates and accelerates
What is a chromophore for laser hair removal? - ANSWER-Melanin
What gland secretes sebum? - ANSWER-sebaceous gland
Does our skin protect us from bacterial invasion? - ANSWER-yes
After laser hair removal all hair falls out immediately (true or false) - ANSWER-false
Can ingrown hairs be treated with a laser? - ANSWER-yes
Examples of medical laser wavelengths, the different platforms - ANSWER--Ruby: 694
nm (red light, don't use anymore)
-Alexandrite: 755 nm (green light, skin types 1,2,3)
-Diode: 800-810 nm (invisible light, skin types 1,2,3,4)
-Nd: YAG 1064 nm (neodymium: yttrium-aluminum-garnet) (invisible light, all skin types,
not the best but safest for skin types 4 and 5)
What are the phases of hair growth - ANSWER-anagen, catagen, telogen
Anagen - ANSWER--Active hair growth is occurring
-in early anagen, the follicle is growing and starting to deepen
-Hair is beginning to grow but has not yet reached the surface of the skin
-The mid-late anagen follicle has reached its maximum depth. The hair is fully visible
terminal hair on the surface of the skin.
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