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Hair & Scalp Care Final Exam With Complete Questions and Answers
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Hair & Scalp Care Final Exam With Complete Questions and Answers...
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Hair & Scalp Care Final Exam With Complete Questions and Answers A closely groomed beard and mustache may look good on - ANSWER A balding male client The branch of science that focuses on the hair , its diseases, and its care is called - ANSWER Trichology The two main divisions of the hair are the hair shaft and the - ANSWER Hair root The hair root is made up of three main structures, the follicle , bulb, and - ANSWER Dermal papilla The follicle is the tube-like depression in the skin that contains the - ANSWER Hair root The lower part of the hair root is the club-shaped - ANSWER Hair bulb The dermal papilla contains the blood and nerve supply that provides - ANSWER Nutrients At the base of the follicle is a tiny involuntary muscle called the - ANSWER Arrector pili The sebaceous glands secrete a substance called - ANSWER Sebum The hair shaft is made up of three layers; the cuticle, cortex , and - ANSWER Medulla A healthy, compact cuticle serves as the hair's - ANSWER Primary defense The layer of hair that is generally only present in thick, coarse hair is the - ANSWER Medulla 90% of the hairs weight is found in the - ANSWER Cuticle Swelling the hair raises allows liquids to penetrate by raising the - ANSWER Cuticle Permanent haircolors, perm solutions, and chemical relaxers must have an akaline ph in order to - ANSWER Penetrate the cuticle layer Permanent waving, chemical relaxing, and oxidation haircoloring cause changes that occur in the - ANSWER Cortex By the time the hair shaft emerges from the scalp ,its cells are keratinized and - ANSWER Are no longer living Hair is made up of five elements; carbon, nitrogen, hydrogen, oxygen, and - ANSWER Sulf ur Of the five elements in human hair , the element that makes up the lowest percentage is - ANSWER Sulfur Amino acids are linked together by chemical bonds - ANSWER Peptide bonds Side bonds account for the hair's - ANSWER Elasticity Polypeptide chains are cross-linked together by these side bonds - ANSWER Hydrogen, salt, and disulfide bonds Compared to hydrogen and salt bonds, disulfide bonds are - ANSWER Stronger Permanent waving and chemical hair relaxing change the shape of the hair by chemically changing the - ANSWER Disulfide bonds The agents that easily break hydrogen bonds are - ANSWER Water or heat The ratio of eumelanin to pheomelanin determines - ANSWER Natural hair color The range of red and ginger to yellow/blonde tones in natural hair color is provided by - ANSWER Pheomelanin The pigment in the cortex that gives natural color to the hair is known as - ANSWER Melanin The quality of hair that is described as straight , wavy, curly, or extremely curly is - ANSWER Wave pattern An oval cross-section is typical of this hair type - ANSWER Wavy hair In general , coiled hair - ANSWER Has a fine texture The four most important factors in a hair analysis are texture, density, porosity , and - ANSWER Elasticity Hair texture is a term that refers to the hair's - ANSWER DiameterThe benefits of buying summaries with Stuvia:
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