Clients with skin or nails that are infected, inflamed, or swollen should be referred to a(n) _________________________. 

Visible depressions running across the width of the natural nail plate that are the result of a major illness or injury are known as ________________. 

What is a nail condition in which blood clots form under the nail plate due to a small injury of the nail plate?

Which type of nail has a noticeably thin, white nail plate, and is more flexible than a normal nail?

When the eponychium or other living tissue surrounding the nail plate becomes split or torn, a ____________ occurs.

Which treatment should be suggested to an individual with a simple hangnail?

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

Minor damage to the matrix that produces a whitish discoloration or white spots on the nails is known as _____________________. 

Leukonychia spots result from __________________. 

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

Melanocytes are ____________________. 

An individual who bites his or her nails may be said to have _________________. 

Split or brittle nails with a series of lengthwise ridges and a rough appearance to the surface of the nail plate is known as _____________________. 

 Excessive use of ________ can cause onychorrhexis. 

A highly curved nail plate often called "folded nail," caused by injury to the matrix or inherited, is a(n) ________________________. 

________________ often leads to ingrown nails.

 Ridges running vertically down the natural nail plate are caused by _____________________. 

Physical trauma or injury to the nail bed that damages the capillaries and allows small amounts of blood flow results in ____________________. 

________________ are always be positioned lengthwise in the direction of growth

The disorder in which the edges of the nail plate curl around to form a sharp cone at the free edge is called _______________________. 

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

Inflammation of the nail matrix followed by shredding of the natural nail plate is known as _________________________. 

Which of the following is an infectious nail condition?

____________________ refers to a fungal infection of the nail. 

Which parasite, under some conditions, can cause infections to the feet and hands?

If a cosmetologist provides a service to a client with a fungal infection, it is ___________________________ that the cosmetologist will get that infection from the client.

Discolorations of the nail plate from infections of the fingernails or toenails are usually the result of a ________________. 

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

In the early stages, a typical bacterial infection on the nail plate can be identified as a _________________________. 

Severe inflammation of the nail in which a lump of red tissue grows up from the nail bed to the nail plate is called __________________. 

A friend shows you paperwork from a doctor stating that he has tinea pedis. What is his condition?

Tiny pits or severe roughness on the surface of the nail plate is an indication of ______________________. 

An ingrown nail is called a(n) ________. 

The lifting of the nail plate from the bed without shedding is a sign of __________________. 

_______________ may be caused by an allergic reaction of the nail bed

Onychomadesis is the separation and falling off of a nail plate and can typically be traced to ________________. 

What term refers to the scientific study of hair and its diseases and care?

The Greek word trichos means _______________. 

The hair, skin, nails, and glands are part of the __________ system. 

What part of the hair is located below the surface of the epidermis?

The pocket or tube-like depression in the scalp or skin that contains the hair root is the hair __________________. 

The thickened, club-like structure that forms the lower part of the hair root is the ____________________. 

 A small, cone-shaped area located at the base of the hair follicle that fits into the hair bulb is the ___________________. 

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

The small, involuntary muscle fiber in the base of the hair follicle is the ____________________. 

The substance secreted by the sebaceous glands is called _______________________. 

What is the oily substance secreted by the skin's oil glands that lubricates the hair and skin?

The body naturally produces ___________________ of the 20 amino acids that make up hair.

What is the outermost layer of hair?

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

A lengthwise section of hair shows that cuticle scales overlap and each individual cuticle scale is attached to the _________________________. 

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

The fibrous protein core formed by elongated cells that contains melanin pigment is the _____________________. 

The changes involved in oxidation haircoloring, wet setting, thermal styling, permanent waving, and chemical hair relaxing take place within the __________________. 

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

The hair shaft that emerges from the scalp is a nonliving fiber composed of ___________________. 

Hair is approximately ________________ percent protein. 

The major elements that make up human hair are carbon, oxygen, hydrogen, nitrogen, and sulfur, often referred to as_______________. 

The units of structure that build protein and are joined together end to end like pop beads are __________________. 

A long chain of amino acids linked by peptide bonds is called a __________ chain. 

What substances are comprised of long, coiled, complex polypeptides made of amino acids?

The three different types of side bonds that link chains of amino acids together are _________________. 

 A physical side bond that is easily broken by water and heat is a ________________ bond. 

What type of bond is broken by wetting the hair with water and is reformed when the hair dries?

A weak, physical, cross-link side bond between adjacent polypeptide chains that is broken by changes in pH is a _____________ bond.

Permanent waving and hair relaxers change the shape of hair by chemically altering the hair's __________________. 

Hydroxide chemical relaxers break disulfide bonds and convert them to _________________ bonds. 

All natural hair color is the result of pigment called __________________. 

The pigment that provides brown or black color to hair is _______________. 

What pigment in hair provides natural colors ranging from red and ginger to yellow and blond tones?

What term refers to the shape of the hair strand?

What is the cross-section shape of curly hair?

Vellus hair is also known as ____________ hair. 

What type of hair is short, fine, unpigmented, and downy?

What are the three growth cycles of human hair?

What is the growth phase during which new hair is produced?

What is the resting phase or final phase of the hair cycle that lasts until the fully grown hair is shed?

The sudden falling out of hair in round patches or baldness in spots is known as _______________________. 

The complete loss of all body hair is known as ______________. 

Temporary hair loss experienced at the end of a pregnancy is called ______________________. 

What is the technical term for gray hair?

The condition of abnormal hair growth of terminal hair is referred to as _____________. 

Trichoptilosis is the technical term for _______________________. 

What is a condition that is characterized by brittleness and the formation of nodular swellings along the hair shaft?

What is the technical term for beaded hair?

What is the technical term for brittle hair?

What is the medical term used to describe dandruff?

Current research confirms that dandruff is the result of a fungus called ______________________. 

What is a severe type of dandruff characterized by an accumulation of greasy or waxy scalp scales mixed with sebum?

What severe form of dandruff is accompanied by redness and inflammation?

What is the medical term for ringworm?

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

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

What is a highly contagious skin disease caused by a parasite called a mite?

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

What term refers to an acute, localized bacterial infection of the hair follicle that produces constant pain?

The thickness or diameter of the individual hair strand is referred to as hair _______________________. 

Which type of hair has the largest diameter and usually requires more processing?

The measurement that describes the number of individual hair strands on one square inch of the scalp is hair ____________________. 

The ability of the hair to absorb moisture is hair _____________.