question

True or false: the word trichos means hair

answer

True

question

True or false: the body produces the 20 amino acids that make up the hair

answer

False

question

True or false: the sebaceous glands contain the blood and nerve supply that provides the nutrients needed for hair growth

answer

False

question

True or false: the hair cuticle consists of an overlapping layer of transparent scale like cells that look like shingles on a roof

answer

True

question

True or false: hair is approximately 60 percent protein

answer

False

question

True or false: a peptide bond is reformed by drying or cooling

answer

False

question

True or false: eumelanin provides natural colors raging from red and ginger to yellow and blond tones

answer

False

question

True or false: vellus hair is not pigmented and almost never has a medulla

answer

True

question

True or false: the complete loss of all body hair is known as alopecia totalis

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False

question

True or false: you should not perform a service on a client who has seborrheic dermatitis

answer

True

question

The hair skin and nails and glands are known collectively as the

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Integument

question

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

answer

Follicle

question

The thickened club like structure that forms the lower part of the hair root is the

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Hair bulb

question

A small cone shape area located at the base of the hair follicle that fits into thehair bulb is the

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Dermal papilla

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A substance secreted by the sebaceous glands is called

answer

Sebum

question

The tiny involuntary muscle fiber in the skin inserted in the base of the hair follicle is the

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Arrector pilli

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Which layer of the hair shaft creates the hone and the smooth silky feel of healthy hair

answer

Cuticle

question

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

answer

Cortex

question

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

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Cortex

question

The medulla the innermost layer of the hair is composed of cells that are

answer

Round

question

Hair is composed of protein that grow. From cells originating within the

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Hair follicle

question

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

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Keratinized protein

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

answer

COHNS elements

question

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

answer

Amino acids

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A long chain of amino acids linked by peptide bonds are

answer

Peptide chains

question

The three different types of side bonds are

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Hydrogen, salt, and sulfide

question

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

answer

Hydrogen bond

question

A weak physical cross link side bond between adjacent polypeptide chains that it broken by changes in ph is a

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Salt bond

question

Permanent waving and hair readers change the shape of hair by chemically altering the hair's

answer

Disulfide bonds

question

Hydroxide chemical relaxers break disulfide bonds and convert them to

answer

Lanthinonine bonds

question

All natural hair color is the result of pigment located in the cortex called

answer

Melanin

question

The melanin that provides brown irritation bkacj color to the hair is

answer

Eumelanin

question

What best describes hairs wave pattern

answer

Curly, straight, extremely curly

question

Vellus hair is the short, fine, and downy hair also known as

answer

Lanugo hair

question

The three growth cycles of human hair are

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Anagen, catagen, telogen

question

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

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Telogen phase

question

The sudden falling out of the hair in round patche's or baldness in spots is

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Alopecia areata

question

The technical term for gray hair

answer

Canities

question

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

answer

Hypertrichosis

question

Trichoptilosis is the technical term for

answer

Split ends

question

A condition that is characterized by brittleness a d the formation of nodularsnodularswellings along the hair shaft is

answer

Trichorrhexis nodosa

question

The medical term used to describe dandruff

answer

Pityariasis

question

Current research confirms that dandruff is the result if a fungus called

answer

Malassezia

question

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

answer

Pityariasis steatoids

question

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

answer

Funglal organisms

question

Whatscalp disorder is characterized by dry sulfur yellow cup like crusts on the scalp

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Tinea favosa

question

A highly contagious skin disease caused by a parasite called a mite is

answer

Scabies

question

An infestation of the hair and scalp with head lice is

answer

Pediculosis capitis

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An acute, localized bacteria infection of the hair follicle that protduces constant pain is a

answer

Furuncle

question

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

answer

Hair texture

question

Hair that has the largest diameter and usually requires more processing

answer

Coarse hair

question

The measurement that describes the number of individual hair strands on 1 square inch of the scalp

answer

Density

question

The ability of the hair to absorb moisture

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Porosity

question

Chemical services performed on hair with low porosity require a solution that is

answer

More alkaline

question

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

answer

Elasticity

question

Hair flowing in the same direction, the result of follicles sloping in the same direction form a

answer

Hair stream

question

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

answer

Emolients

question

The scientific study of hair and it's diseases and care

answer

Trichology

question

The part of the hair located below the surface of the epidermis

answer

Hair root

question

The outermost layer of hair

answer

Cuticle

question

An oily substance that lubricates the hair an d skin

answer

Sebum

question

The growth phase during which new hair is produced

answer

Anagen

question

Medical term for ringworm

answer

Tinea

question

Temporary hair loss experienced at the end of pregnancy

answer

Postpartum alopeacia

question

Ling coiled complex polypeptides made of amino acids

answer

Proteins

question

Refers to the shape of the hair strand

answer

Wave pattern

Milady Cosmetology Chapter 11: Properties of Hair & Scalp – Flashcards

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