Milady Chapter 11 Exam Review Properties of the hair and scalp Graded A+

trichology - ANSWER the scientific study of hair, its diseases, and care is called: hair shaft and hair root - ANSWER The two parts of a mature strand of human hair are the: follicle - ANSWER The tube-like depression or pocket in the skin or scalp that contains the hair root is the: soles of the feet - ANSWER Hair follicles are not found on the: arrector pili - ANSWER The _______ is a tiny, involuntary muscle in the base of the hair follicle. sebum - ANSWER An oily substance secreted from the sebaceous glands is: an alkaline pH - ANSWER For chemicals to penetrate a healthy cuticle hair layer, they must have: round - ANSWER The medulla is composed of _______ cells. keratinization - ANSWER The process whereby living cells mature and begin their journey up the hair shaft is: nitrogen and sulfur - ANSWER The five main elements that make up the chemical composition of human hair are carbon, oxygen, hydrogen, and: peptide bonds - ANSWER The chemical bonds that hold together the amino acid molecules are called: pheomelanin - ANSWER Which type of melanin provides natural colors ranging from red and ginger to yellow and blond tones? extremely straight hair - ANSWER Asians tend to have: a detangling rinse - ANSWER To help minimize tangles in extremely curly hair when washing, you should use: coarse, medium, or fine - ANSWER Hair texture is classified as: hair density - ANSWER The measurement of individual hair strands on 1 square inch (2.5 square centimeters) of the scalp is: more alkaline solutions - ANSWER Compared to hair with high porosity, chemical services performed on hair with low porosity require: 50 percent - ANSWER Wet hair with normal elasticity will stretch up to ______ of its original length. with normalizing shampoo - ANSWER Oily scalp and hair can be treated by properly washing it: vellus - ANSWER Which type of hair almost never has a medulla? anagen - ANSWER The growth phase during which new hair is produced is: 1 inch per month - ANSWER The average growth of healthy scalp hair is: canities - ANSWER The technical term used to describe gray hair is: hypertrichosis - ANSWER A condition of abnormal hair growth on areas of the body is: pityriasis - ANSWER The medical term for dandruff is: amino acids - ANSWER The body can produce 11 of the 20 ________ that make up hair' one-third - ANSWER Salt bonds account for about _________ of the hair's overall strength. years - ANSWER The anagen phase generally lasts from three to five: faster - ANSWER Scalp hair grows ______ on women than on men. catagen - ANSWER The _______ phase signals the end of the growth phase. does not affect - ANSWER Scalp massage ___________ hair growth. neither coarser nor more resistant - ANSWER Compared to pigmented hair, gray hair is: can be almost any shape - ANSWER Cross-sections of hair: less successful - ANSWER Bald men are commonly perceived as: 40 - ANSWER By age 35, almost ____ percent of both men and women show some degree of hair loss. men only - ANSWER Finasteride is an oral prescription medication far hair loss that is meant for: