1) What does trichology mean? a) the study of hair including its diseases and care b) The hair ,skin ,nails c) the study of the scalp d) the hair medulla 2) where is the hair root located a) above the epidermis b) below the epidermis c) scalp d) the hair follicle 3) where is the hair shaft located? a) project above the epidermis b) in the epidermis 4) where are the hair follicles never found? a) soles of the feet b) top of the head c) never found in palms of the hand d) legs 5) where is the bulb located ? a) the hair follicle b) the dermal papilla c) the base of the follicle d) in the root 6) the dermal papilla is what type of shape? a) round b) bulb shape c) cone shape d) square 7) where is the hair cuticle found a) the inner layer b) the cortex c) the mudulla d) the outer most layer 8) which part of the hair is living a) the hair bulb b) the hair follicle c) arrector pili d) sebaceous glands 9) what type of hair has a mudulla? a) straight hair b) wavy hair c) cortex d) coarse hair 10) what part of the hair is nonliving?  a) hair cuticle b) cortex c) medulla d) hair shaft 11) What is the hair made up of a) protein b) amino acids c) elements d) COHNS e) bones f) skin 12) what is the total weight of the cortex a) 70% b) 90% c) 10% d) 100% 13) What does COHENS mean a) Carbon, Oxygen, Hydrogen, Nitrogen and Sulfur b) Cosmetology, Oily, Hair, Nitrogen, Sulfur c) Cortex, Oxygen, Hair, Nitrogen, Salt bonds d) Cuticle, Oxygen, Hydrogen, Nitrogen, Sulfur 14) Hydrogen bond is a weak bond, broken by a) water heat b) dry hair c) cold hair d) touch hair 15) How many side bonds do the cortex have a) 2 b) 3 c) 4 d) 6 16) What are Disulfide bonds broken by a) water b) heat c) relaxers permanent waving d) hair spray  e) rollers set f) holding spray 17) What stage is anagen a) resting stage b) growth stage c) brief transition stage  d) life growth stage 18) what are the three stages of hair growth a) anagen catagen telogen b) hydrogen sat bonds disulfide bonds 19) The three types of abnormal hair lost are a) Androgenic alopecia, Alopecia areata, Postpartum alopecia b) telogen c) anagen d) catagen 20) During the anagen stage how much does hair grow a) 1 inch b) 2 inches c) 1/2 d) 5 inches 21) who hair grows faster woman or men a) woman b) men 22) what age does hair growth slow down a) 40 b) 60 c) 50 d) 20 23) what are canities a) black hair b) gray hair c) ringworm hair d) hypertrichosis 24) Are canities congenital or acquired a) congenital b) acquired 25) What is hypertrichosis a) loss of hair b) hair ringed c) overgrowth of hair d) Trichorrhexis nodosa 26) How many side bond is there a) 4 b) 6 c) 2 d) 3 27) How is hydrogen bond broken a) by chemical b) relaxer c) perm d) water or heat 28) disulfide bond is a a) weak bond b) strong bond 29) hair is approximately how much total weight of the cortex a) 50% b) 80% c) 10% d) 90% 30) what bond is weak a) salt bond b) hydrogen bond 31) where is the hair pigment located a) cortex b) medulla c) cuticle d) hair root 32) what are canities a) gray hair b) black hair c) blond hair d) brown hair  33) what is hypertrichosis a) ringed hair b) canities c) no hair d) abnormal growth 34) how much hair does a person lose daily  a) 40 to 50 b) 30 to 40 c) 35 to 40 d) 30 to 50 35) does vellus hair have a medulla a) yes b) no 36) how many growth cycles are there  a) 2 b) 6 c) 3 d) 4 37) name the three growth cycles  a) eumelanin b) pheomelanin c) wavy, straight, curly d) anagen, catagen, telogen

Cosmetology 1 Properties of the hair and scalp

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