Visible depressions running across the width of the natural nail plate that are the result of a major illness or injury are known as _____.

Mono means one and mer stands for units, so a monomer is one unit called a(n) _____.

Maintaining good _____ while shampooing will prevent unnecessary muscle aches, back strain, and fatigue. a. motion b. balance c. leverage d. posture

Good-quality pressing combs are constructed of either _____. a. brass or iron b. brass or porcelain c. stainless steel or brass d. stainless steel or tin

Too much powder in a mix ratio causes nail enhancements to cure incorrectly and become _____.

When manipulating the scalp during a shampoo, begin at the front hairline and work in a(n) _____. a. side-to-side movement b. up-and-down movement c. back-and-forth movement d. zigzag movement

_____ shampoos, sometimes called soap-free shampoos, are formulated with little to no alkaline soap base, are compatible with hair and soft water sources, and are known to be sensitive to artificial hair color. a. Sulfate-free b. Conditioning c. Medicated d. Neutralizing

What special chemical agents are applied to the hair to deposit protein or moisturizer to help restore the hair’s strength, infuse moisture, give hair body, and protect hair against possible breakage? a. Shampoos b. Conditioners c. Keratin d. Medications

Which of the following may appear to be one solid piece, but is actually constructed of about 100 layers of nail cells?

Hair that has been lightened, colored, permed, chemically relaxed, or processed with a keratin straightener is called _____. a. overprocessed b. reactivated c. chemically treated d. synthetic