If the skin of an average adult were stretched out, it would cover more than how many square inches?

The surface of healthy skin should:

The outermost layer of the skin is the:

What is the principal component of hair and nails?

Which layer of the epidermis is also known as the basal cell layer?

The pigment produced to protect the skin from the effects of ultraviolet sun rays is called:

The muscles that can cause goose bumps are called the _____ muscles.

The small, cone-shaped elevations at the bottom of hair follicles are called the:

The epidermal-dermal junction is located at the top of the _____ layer.

Which of the following is NOT found in the reticular layer?

Nutrients and oxygen are supplied to the skin by:

Impulses are carried from the brain to the muscles by _____ nerve fibers.

The nerve fibers that regulate the excretion of perspiration are the:

The red to yellow melanin produced by the body is:

The fibrous protein that gives skin form and strength is:

A majority of scientists now believe that most signs of skin aging are caused by:

On which body part are sudoriferous glands more numerous?

What is the oily secretion that lubricates the skin and preserves the softness of the hair?

Which skin disorder is characterized by chronic inflammation of the sebaceous glands from retained secretions?

Which vitamin is vital in fighting the aging process and promoting the production of collagen?

The National Institute of Health (NIH) recommends a diet that is low in:

A(n) _____ is a raised, inflamed papule with a white or yellow center containing pus.​

The specialist who provides cleansing treatments for the skin is a(n):

What is NOT a characteristic of healthy skin?

Continued, repeated pressure on any part of the skin can cause it to thicken and develop into a:

The horny layer, or outer covering of the epidermis, is the:

The clear, transparent skin layer just under the surface through which light passes is the:

Where are the melanocytes located?

The layer of the skin commonly called the true skin is the:

What are the two layers of the dermis?

Nerve endings that are sensitive to touch and pressure are found in which layer of the skin?

The deepest layer of the dermis that supplies oxygen and nutrients to the skin is the:

Subcutaneous tissue does all of the following EXCEPT:

The clear fluid that bathes skin cells, removes toxins and cellular waste, and has immune functions is called:

Which nerve fibers react to heat, cold, touch, pressure, and pain?

Skin color depends on tiny grains of pigment, or coloring matter, called:

People with dark-colored skin mostly produce:

The protein base that helps skin regain its shape after being stretched or expanded is called:

The sudoriferous glands:

Normally, how many pints of salt-containing liquids are eliminated daily through sweat pores in the skin

When sebum hardens and completely clogs an oil duct so that there are no surface follicle openings, it creates a(n):

What is NOT one of the principal functions of the skin?

​The body needs _____ for many body functions, including hormones and sebum production.

​Which vitamin helps protect the skin from the harmful effects of the sun's UV light?