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FREE PHYSICAL SCIENCE AND STUDY GAMES ABOUT
COSMETOLOGY CH 9 EXAM QUESTIONS
Actual Qs and Ans Expert-Verified Explanation
This Exam contains:
-Guarantee passing score -69 Questions and Answers -format set of multiple-choice -Expert-Verified Explanation
Question 1: Two different types of melanin are eumelanin and
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pheomelanin Question 2: A variety of canties, characterized by alternating bands of gray and pigmented hair is
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ringed hair Question 3: The overlapping layer of hair with transparent, scalelike cells is the
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cuticle
Question 4: Swelling the hair raises the cuticle layer and allows for
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penetration
Question 5: Hair that is not pigmented and almost never has a medulla is
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vellus
Question 6: The scientific study of hair, it's diseases, and care is called
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trichology Question 7: The tubelike depression or pocket in the skin or scalp that contains the hair root is the
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follicle Question 8: The type of fugal infection characterized by red papules at the opening of the hair follicles is
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tinea captis
Question 9: Hair with high porosity is often the result of
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over-processing
Question 10: The ability of the hair to stretch and return without breaking is
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elasticity Question 11: A week type of physical side bond that is easily broken by water or heat is a
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hydrogen bond Question 12: A tiny, involuntary muscle fiber inserted in the base of the hair follicle is the
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arrector pili
Question 13: Asians tend to have
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extremely straight hair Question 14: The three main layers of the hair shaft are the cuticle, medulla, and
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cortex Question 15: The fibrous protein core of the hair, formed by elongated cells containing melanin pigment, is the
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cortex layer
Question 16: Natural wave patterns are the result of
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genetics Question 17: Hydrogen chemical hair relaxers break disulfide bonds and during rinsing convert them to
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lanthionine bonds Question 18: Hair is composed of a protein that grows from cells originating within the
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hair follicle Question 19: Four important factors to consider in hair analysis are texture and porosity
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elasticity and density Question 20: The measurement of individual hair strands on one square inch of the scalp is
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hair density
Question 21: In general, the cross section of curly hair can be
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oval
Question 22: Oily scalp and hair can be treated by properly shampooing with
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normalizing shampoo Question 23: The sudden falling out of hair in round patches or baldness in spots is called
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alopecia areata Question 24: Trichorrhexis nodosa is characterized by brittleness of the hair and the formation of
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swellings along the hair shaft
Question 25: The medulla is the innermost layer of the hair and is composed of
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round cells
Question 26: The technical term used to describe beaded hair is
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monilethrix
Question 27: The medical term for dandruff is
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pityriasis
Question 28: A condition of abnormal hair growth on areas on the body is
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hypertrichosis
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