The rapid oxidation of a substance, accompanied by the production of heat and light, is known as _____.

What are the three growth cycles of human hair?

Benign, keratin-filled cysts that appear just under the epidermis and have no visible opening are _____.

There are _____ naturally occurring elements, each with its own distinct physical and chemical properties.

Continued pressure on any part of the skin causes it to thicken and develop into a(n) _____.

What rays of the sun cause sunburns and tanning and are also known as burning rays?

The tiny grains of pigment deposited in cells that provide skin with its color are _____.

What is a scalp disorder characterized by dry, sulfur-yellow, cup-like crusts on the scalp?

What structures contain the blood and nerve supply that provide the nutrients needed for hair growth?

Which part of the nail unit is richly supplied with blood vessels and with nerves?

_____ refers to a fungal infection of the nail.

Moriah has a nail deformity. The general term for her condition is _____.

What term refers to the separation of an atom or molecule into positive and negative ions?

The average adult skin weighs _____ pounds.

When clipping his own nails, Jose accidentally (and painfully) clips the skin under the nail between the fingertip and the free edge. What has he clipped?

A sweet, colorless, oily substance that is used as a moisturizer in skin and body creams is _____.

The basic unit of matter, with a nucleus at the center surrounded by negatively charged electrons that move around the nucleus in orbits, is a(n) _____.

Small, cone-shaped elevations at the bottom of hair follicles are known as _____.

All haircolor products are organic chemicals, which means they _____.

Which type of nerve fibers carry impulses from the brain to the muscles?

Congenital hypopigmentation, or absence of melanin pigment of the body, including the skin, hair, and eyes is called _____.

Hair is composed of protein that grows from cells originating within the _____.

A(n) _____ is an itchy, swollen lesion that can be caused by a number of factors and usually resolves by itself.

Dead cells that form over a wound or blemish while it is healing comprise a _____.

The living skin at the base of the nail plate is the _____.

Vellus hair is also known as _____ hair.

A longer nail matrix produces a _____ nail plate.

The underlying or inner layer of the skin, which is also called the derma corium, cutis, or true skin, is the _____.

What is a skin disorder characterized by chronic inflammation of the sebaceous glands caused from retained secretions?

The two types of contact dermatitis are _____.

What is a small, round elevation on the skin that contains no fluid but may develop pus?

Mutually soluble liquids that can be mixed together to form clear solutions are _____.

_____ is a common bacterial infection of the eye.

A noncontagious skin disease characterized by red patches covered with silver-white scales found on the scalp elbows, knees, chest and lower back is _____.

Permanent waving and hair relaxers change the shape of hair by chemically altering the hair’s _____.

An open lesion of the skin or mucous membrane, accompanied by pus and characterized by loss of skin depth, is a(n) _____.

What is an example of a chemical property?

Which layer of the hair shaft creates the shine and the smooth, silky feel of healthy hair?

A dark band within the nail plate extending from the base to the free edge due to increased pigmentation is known as _____.

What term refers to an infestation of the hair and scalp with head lice?

Cracks in the skin that penetrate the dermis layer, such as chapped hands or lips, are _____.

Substances used to neutralize acids or raise the pH of many hair products are _____.

The largest organ of the human body is the _____.

“Having an affinity or attraction to fat and oils (oil-loving)” is defined as _____.

Redness, pain, and swelling are best described as signs of a(n) _____.

Tinea is characterized by itching scales and sometimes painful circular lesions and is caused by _____.

How does the skin of the scalp differ from other skin?

A chemical combination of matter in definite (fixed) proportions is a _____.

Dry hair and scalp should be treated with products that contain moisturizers and _____.

Dark, brown patches on the skin that may appear uneven in texture, jagged, or raised may be a warning sign of _____.

A naturally occurring skin bacterium that can grow out of control and cause nail infections, incorrectly referred to as mold, is _____.

_____ may be caused by an allergic reaction of the nail bed.

Which term refers to a layer that protects the hair from penetration and prevents damage to hair fibers?

Chemically combining two or more atoms produces a _____.