Chapter 20 quiz (A)

The main active ingredient or reducing agent in alkaline perms is:

• glycerol monothioglycolate

• ammonium thioglycolate

• hydrogen peroxide

• sodium hydroxide

The main active ingredient in acid-balanced waving lotions is:

• glycerol monothioglycolate

• ammonium thioglycolate

• hydrogen peroxide

• sodium hydroxide

The degree to which hair absorbs the waving lotion is related to its:

• texture

• length

• elasticity

• porosity

The action of waving lotion is to:

• discolor the hair

• shrink the hair

• expand the hair

• condition the hair

If hair breaks under very slight strain, it has:

• excellent elasticity

• very good elasticity

• average elasticity

• little or no elasticity

A method of wrapping a permanent wave that is suitable for very long hair is the:

• double halo method

• double tool technique

• single halo method

• straight back method

Keratin proteins are made of long chains of ______________ linked together end-to-end like beads.

• amino acids

• peptide bonds

• cross links

• polypeptide acids

Hair texture describes the ______________ of a single strand of hair and is classified as fine, medium,

or coarse.

• length

• color

• curl

• diameter

Waves that process more quickly and produce firmer curls than true acid waves are considered to be

______________.

• alkaline

• acid-balanced

• ammonium thioglycolate

• sodium hydroxide

The perm that is activated by heat created chemically within the product is known as:

• endothermic

• alkaline

• exothermic

• sodium hydroxide