Final Exam Review Part 5

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

all natural hair color is the result of pigment called _____

Severe type of dandruff characterized by accumulation of greasy/waxy scalp scales mixed w/sebum

what term refers to the shape of the hair strand

the pigment that provides browns or black color to hair is ____

what state of matter has a definite volume but takes the shape of its container?

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

a stable physical mixture of 2 or more substances in a solvent is a _.

Chemical services performed on hair with low porosity require a ______ solution.

Which term refers 2 a layer that protects hair from penetration/prevents damage 2 hair fibers?

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

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

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

Trichoptilosis is the technical term for ______

What is the technical term for brittle hair?

permanent waving and hair relaxers change the shape of hair by chemically altering the hair's _

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

sodium chloride is an example of_

a physical side bond that is easily broken by water and heat is a ______ bond

what is the technical term for gray hair?

what are the three grown cycles of human hair

the oxidation of haircolor is an example of a_

the chemical combination of 2 or more atoms of different elements produces a(n)_.

Term for an acute, localized bacterial infection of hair follicle that produces constant pain

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

the three different types of side bonds that link chains of amino acids together are

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

Hair flowing in the same direction, as the result of follicles sloping in same direction is

an unstable physical mixture of two or more immiscible substances is an_.

What is the medical term for ringworm?

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

what is an example of a chemical property?

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

hair is composed of protein that grows from cells originating within the

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

What is the medical term used to describe dandruff?

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

with a nucleus at center surrounded by negative charged ions that move around the nucleus in orbits

a long chain of amino acids linked by peptide bonds is called a ________ chain

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

All haircolor products are organic chemicals which means they_.

The simplest form of chemical matter that cannot be broken down without the loss of identity is an

The ability of hair to stretch and return to its original length without breaking is

A small cone-shaped area located at the base of the hair follicle that fits in the hair bulb is

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

the lifting of the nail plate from the bed without shedding is a sign of _______

human hair elements like carbon, oxygen,hydrogen,nitrogen, and sulfur, are often referred to as

substances that allow oil & water to mix, or emulsify, are _.

an ingrown nail is called a(n)

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

The substance secreted by the sebaceous glands is called _____.

Condition characterized by brittleness & the formation of nodular swellings along hair shaft is

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

The fibrous protein core formed by elongated cells that contain melanin pigment is the _____

lengthwise section shows that hair cuticle scales overlap&each individual scale isattached to

inflammation of nail where lump of red tissue grows up from the nail bed 2 nail plate is called

weakphysical crosslink sidebond between adjacent polypeptidechains brokenbychangesin pHis_ bond

hydroxide chemical relaxers break disulfide bonds and convert them to ___ bonds

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

the rapid oxidation of a substance, accompanied by the production of heat&light, is known as_.

chemical reactions that are characterized by giving off heat are_.

what type of hair is short, fine, unpigmented, and downy

water and alcohol_.

where do changes in chemical hair relaxing, oxidation styling, wet setting, etc take place

units of structure that build protein and are joined together end to end like pope beads are

temporary hair loss is experienced at the end of a pregnancy is called _____

type of chemical reaction results in oxidizin agent bein reduced & reducing agent being oxidized

vellus hair is also known as _____ hair

what is the cross section shape of curly hair

hair is approximately _______ percent protein

the complete loss of all body hair is known as

chemically combing two or more atoms produce a_.

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

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

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

What is the outermost layer of hair?

what is the study of substances that lack element carbon, may contain the element hydrogen?

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

The condition of abnormal hair growth of terminal hair is referred to as_____

a chemical combination of matter in definite (fixed) proportions is a _

A characteristic of all inorganic substances is that they _.

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

Air contains many substances, including nitrogen,carbon dioxide, & water vapor, & is an ex. of

The branch of science that applies to substances that contain carbon is called_ chemistry

Measurement that describes number of individual hair strands on 1 sq. inch of scalp is hair __.

mutually soluble liquids that can be mixed together to form clear solutions are_

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

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

the sudden falling out of hair in round patches or baldness in spots is known as

onychomadesis is separation and falling off of nail plate and can typically be traced to ____

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

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

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

tiny pits or severe roughness on the surface of the nail plate is an indication of _______

change in the form of a substance that does not cause a chemical reaction is an_ change.

a substance, usually liquid, that dissolves another substance to form a solution is an_.

What is the technical term for beaded hair?

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

The Greek word trichos means:

there are_ naturally occuring elements, each with its own distinct physical & chemical properties