Cosmetology Chapter 20 Quiz Game

. give you the ability to permanently change the hair's natural wave and curl pattern, thereby offering clients a variety of styling options that would not otherwise be possible

• a. Chemical hair softening
• b. Chemical texture services
• c. Natural hair services
• d. Alternative texture services

Without a thorough understanding of, cosmetologists could damage hair, cause hair loss, and harm their clients and themselves.

• a. chemistry
• b. immunology
• c. color theory
• d. branding

What tough exterior layer of the hair has the purpose of surrounding the inner layers and protecting the hair from damage?

• a. Hair shaft
• b. Cuticle
• c. Cortex
• d. Medulla

Which layer of the hair is located directly beneath the cuticle layer and is responsible fbr the incredible strength and elasticity of human hair?

• a. Hair shaft
• b. Cuticle
• c. Cortex
• d. Medulla

Which layer of hair is the innermost layer of the hair, and often called the pith or core of the hair?

• a. Hair shaft
• b. Cuticle
• c. Cortex
• d. Medulla

The term pH is an abbreviation used fbr potential, and the symbol pH represents the quantity of ions in solution

• a. hydrogen; hydrogen
• b. hydrogen; oxygen
• c. oxygen; oxygen
• d. oxygen; nitrogen

The measures the acidity and alkalinity of a substance by measuring the quantity of hydrogen ions it contains.

• a. oxygen content
• b. pH scale
• c. salinity
• d. radioactivity level

The range of numbers used in the pH scale is.

• a. 0 to 5
• b. 0 to 7
• c. 0 to 10
• d. Oto 14

Chemical hair texturizers temporarily raise the pH of the hair to an alkaline state in order to.

• a. expand and harden the shaft
• b. harden and close the shaft
• c. swell and set the shaft
• d. soften and swell the shaft

In the restructuring process, coarse, resistant hair with a strong compact cuticle requires a chemical solution that is.

• a. slightly alkaline
• b. mildly acidic
• c. strongly acidic
• d. highly alkaline