The diameter of a hair fiber will be the same as:

The technical term for the study of hair is called:

Hair grows from a from a tube-like "pocket" called a root sheath or a :

What is the natural flow of hair determined by ?

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

Which of the following is NOT one of the main purposes of hair ?

When looking through a microscope, which portion of the hair would display living cells ?

What is the portion of hair that extends above the skin's surface?

Which of the following resembles the shape of a golf club and covers the follicle at the lower portion of the hair root?

The two primary parts of hair are the hair fiber and the :

Hair that has been pulled out from the roots can grow back under which of the following circumstances?

The pigment that gives hair its color is found primarily in the :

Which of the following items helps protect the hair and skin from becoming too dry ?

The layer of hair consisting of unique protein structures that give the hair most of its pigment and strength (elasticity) is called :

The outer covering of the hair shaft made up of overlapping layers of transparent scales is called the :

What is formed when sebum produced by the oil glands mixes with the body's perspiration ?

Catag, a brief transitional stage, lasts for what amount of time ?

Oil glands are attached to the side of the :

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

The muscle that causes the hair to stand on end when a person is scared or cold is known as the:

The lips, soles of the feet, palms of the hands and eyelids do not have:

Hair is made up primarily of :

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

Which of the following is known as the active growing stage of hair ?

The active growing stage of hair last from:

Human hair, on the average, growth about:

The resting stage of hair growth when the hair bulb has no attached root sheath is referred to as the :

Cilia is the technical term for

What is the lack of pigmentation in the hair and skin called ?

Which of the following is the hard, resistant layer of protein that protects the hair shaft ?

The large variety of hair color is influenced by the amount, size, type and distribution of :

The cross-section, or diameter, of the hair shaft is much larger in coarse hair than which of the following?

The ability of the hair to absorb moisture, liquids and chemicals is known as:

Extreme porosity describes hair that has been damaged by the environment or:

Gray hair is caused by a:

The process of hair turning gray is usually caused by:

The degree of coarseness or fineness of the hair fiber is referred to as :

If the layers of the cuticle are very close together the hair has which type of porosity?

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