Barber 102 Science Part 2

Gray hair is caused by a(n):

The type of massage movement that involves circular movements with no gliding and is applied using the fingers or palms

The instructions on a product state to shake well before use, which indicates the product is a(n):

A mixture of two or more kinds of molecules, evenly dispersed, would be a(n):

The number of active hair follicles per square inch on the scalp refers to:

Located at the bottom of the follicle and supplying nourishment to the germinal matrix is the:

The central core of the hairstrand sometimes missing in fine or very fine hair is the:

Carbon, oxygen, hydrogen and nitrogen form the basis of:

If the scalp appears abnormal at all, a client should see:

Melanin is found mainly in which part of the hair?

How long does the telogen, or resting stage of hair growth, last?

Tinea is the medical term for:

The active growing stage of hair lasts from:

Human hair, on the average, grows about:

What kind of hair has a very closed cuticle, making processing time longer?

The three major layers of the hair are the medulla, cortex and:

Jose, a barbershop owner wants his barbers to each be able to run their electrical equipment independently

An autoimmune skin disease with sudden hair loss in round or irregular patches without the display of an inflamed scalp

An Underwriters Laboratory (UL) designation indicates:

Malassezia is a microscopic fungus that is the leading cause of:

Wet hair is able to be stretched to what percent of its length?

What massage movement involves light or heavy kneading and rolling of the muscles?

When too many appliances are operated at the same time, more current flows than the line is designed to carry

An infestation of head lice on the scalp is called:

Which of the following statements about hard water is TRUE?

If a product label lists the following ingredients: "water, cetyl alcohol, and panthenol," which ingredient has more

The follicle in straight hair is typically:

Eumelanin is the type of melanin that produces:

A barber should NOT proceed with chemical services for all of the following conditions EXCEPT?

Materials that best transport electricity are called:

The hair growth stage when all cell division stops is the:

pH balanced refers to a product that ranges from a pH of:

All matter that is not alive, has never been alive and does not contain carbon, falls within the study of:

Hair grows from a tube-like “pocket” called a root sheath or a(n):

Distilled water with a pH of 7 is considered:

Avoid performing a scalp treatment:

The ability of hair to absorb moisture, liquids or chemicals refers to the hair's:

How far can healthy hair be stretched without breaking when wet?

Catagen, a brief transitional stage of hair growth, lasts for what amount of time?

Which bonds found in the hair can be easily broken by heat or water?

Keratinization is a process whereby cells do all of the following EXCEPT:

A pH of 5 is how many more times acidic than a pH of 6?

An abnormal coverage of hair on areas of the body where normally only lanugo, or baby-fine hair appears, is:

The hair follicle that produces tightly curled hair is typically:

Water freezing and becoming ice is an example of what type of change?

Hair consists of 97%:

In what pH range is hair, skin and nails?

A measure of how much electrical energy is being used is known as a:

Which massage movement involves light, gliding strokes and is often used to begin and/or end a treatment?

A solution that has more positive hydrogen ions than negative hydroxide ions is: