Any client with an infectious disease should not be treated and should be referred to a(n):

• another stylist

• physician

• different salon

• instructor

To be effective, a shampoo must remove all dirt, oils, cosmetics, and skin debris without:

• stripping the hair of bacteria

• clarifying scalp and hair

• cleaning residue and products

• adversely affecting scalp or hair

Products are classified as either an alkaline solution or an acidic solution by measuring the amount of:

• acids

• atoms

• hydrogen

• elements

The water treatment that causes matter to sink to the bottom is called ________________.

• filtration

• sedimentation

• boiling

• distillation

The water treatment in which water passes through a porous substance, such as filter paper or charcoal, is known as ________________.

• filtration

• sedimentation

• boiling

• distillation

Rain water or chemically softened water is considered to be ________________ water.

• hard

• soft

• salt

• distilled

The main ingredient in all shampoos is ________________.

• soap

• detergent

• surfactants

• water

Examples of a chemical service are:

• hair cut, haircolor, highlights

• shampoo, haircolor, blow dry

• highlights, haircolor, relaxers

• hair brushing, haircolor, relaxers

Water is the most abundant and important element on Earth and is classified as a(n):

• universal solvent

• acidic solvent

• complete solvent

• natural solvent

The treatment that passes water through a porous substance, such as charcoal or a filter, to be purified is known as:

• evaporating

• sedimentation

• distillatin

• filtration