Barber > EXAM > Oregon Barber License (practice test for board exam)With Complete Solutions 2023 (All)

Oregon Barber License (practice test for board exam)With Complete Solutions 2023

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Cuticle - Answer Outer most layer of the hair. It consists of a single, overlapping layer of transparent, scale-like cells that resemble shingles on a roof. It protects the inner cortex layer and cont... ributes to 20% of overall strength of hair. The Cortex - Answer The middle layer of the hair. A fibrous protein core formed by elongated cells containing melanin to pigment. Gives hair majority of its strength and elasticity. A healthy Cortex contributes to %80 to the overall strength of the hair. Contains melanin that determines hair color. The Medulla - Answer The innermost layer of hair. Sometimes absent from hair and doesn't play a role in hair coloring. composed of round cells. Texture - Answer The diameter of an individual hair. Density - Answer The number of hairs per square inch. Porosity - Answer The hairs ability to absorb moisture. Low porosity - Answer The cuticle is tight. The hair is resistant (difficult for moisture or chemicals to penetrate. Thus, it requires longer processing time. Average porosity - Answer The cuticle is slightly raised. Hair is normal and processes in an average amount of time. High porosity - Answer The cuticle is lifted. The hair is overly porous and takes color quickly (also fades quickly) Permed, colored, chemically relaxed and straightened hair will have a high degree of porosity. [Show More]

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