Final Exam

Cosmetologists should understand properties of hair and scalp because __.

They inform clients about the effects of hair services but do not diagnose or treat scalp issues.

The bonds responsible for strength and elasticity in human hair are __.

Peptide bonds.

Tiny grains of pigment in the hair cortex that give natural color are called __.

Melanin.

The long hair found on the head is referred to as __.

Terminal hair.

People with oily hair should __ after shampooing.

Thoroughly rinse their hair.

The innermost layer of hair is known as __.

Medulla.

People with dry hair and scalp should avoid using products with __.

High alcohol content.

The hair cuticle serves to __.

Protect the cortex.

Hair described as having a raised cuticle and brittle is characterized as __.

High porosity.

The hair bulb is important because it __.

Contains living cells that form the hair strand.

Hydrogen bonds and salt bonds of hair are __.

Both considered weak side bonds.

During which phase does the hair cycle end?

The telogen phase.

Hair density measures __.

The number of individual strands of hair per square inch.

The two bones that form the sides and top of the cranium are __.

Parietal bones.

The large bone forming the back of the skull is called __.

Occipital bone.

The large muscle covering the frontal and occipital bones is __.

Epicranius.

Properly cleaned surfaces have __ contaminants on them.

Greatly reduced.

Clients who show no signs of infection but are contagious are termed __.

Asymptomatic.

The bacteria that are pus-causing and form clusters are __.

Staphylococci.

The virus responsible for AIDS is __.

HIV (human immunodeficiency virus).

Effleurage in scalp massage refers to __.

Using stroking and circular hand movements.

The technique of manipulating the scalp includes __.

Tapping, kneading, rubbing, or stroking the scalp with hands.

Hair brushing should be __ if the scalp is irritated.

Avoided.

Dry hair treatment is recommended for __.

A deficiency of natural oils.

A question to determine need for a clarifying shampoo might be __.

When was the last time you shampooed?

Leave-in conditioners are known for __ their low molecular weight.

Avoiding weighing the hair down.

Paddle brushes are effective for __.

Detangling wet hair.

Straight fine hair lacks __.

Body or volume.

The head form refers to __.

The shape of the head.

The crown of the head is defined as __.

The area between the apex and the back of the parietal ridge.

Facial shapes are defined by the prominence of __.

Facial bones.

Curved lines used in contrasting directions create __.

A wave.

Curved lines provide __ in a style.

Softness.

Creating width in a design involves __ lines.

Horizontal.

Adding length and height to a style uses __ lines.

Vertical.

Graduated haircuts are achieved by elevating hair to __ degrees.

45 degrees.

Layered haircuts occur when the hair is elevated above __ degrees.

90 degrees.

Clippers cut hair by being __ on the bottom and getting longer as you travel up.

Cropped close.

Slicing is a technique used to __ hair.

Remove weight and add movement.

Properly processed perms should break down __ of disulfide bonds.

About 50%.

Lanthionization means __ in relaxer treatments.

Removing a sulfur atom from a disulfide bond.

Keratin treatments are effective for __ weeks.

Up to 12 weeks.

The angle a rod is positioned on the head is called __.

Base direction.

Combing hair should be cleaned with a __ disinfectant.

Low-level.

Chemicals that react strongly are described as __.

Volatile.

Hand washing is considered a __ activity.

Cleaning.

A base cream is used for __ during relaxer treatments.

Skin protection.

Conducting a strand test before coloring is necessary because __.

It helps assess hair's condition.

The first number in hair color labeling represents __.

The hair color level.

Lighteners are used to __ natural hair pigment.

Disperse or decolorize.

Metal bowls should not be used with __.

Hair color.

A diffuser is used to dry hair without disturbing __.

Curl pattern.