3's
Chemical Composition of Hair
The Truth About Hair Growth
Disorders of the Hair
Disorders of the Scalp
Hair and Scalp Analysis
100

Name the 3 parts of the inside of the hair shaft

cuticle, cortex, medulla

100

What approximate percentage of hair is protein?

90%

100

There are two types of hair found on the body. This type is pigmented and almost never has a medulla.

Vellus

100

The technical term for gray hair is:

Canities

100

What is a more severe case of dandruff accompanied by redness and inflammation where it is highly advised not to perform services?

Seborrheic Dermatitis

100

Name the 4 terms used that describe the hair’s wave pattern?

Straight, wavy, curly and extra curly

200

Name the 3 parts of the outside of the hair shaft

base, midshaft, ends

200

True or false a peptide cannot be reformed?

True

200

The three stages of the growth cycles for human hair are:

Anagen, catagen, and telogen

200

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

Hypertrichosis

200

The medical term used to describe dandruff is:

Pityriasis

200

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

Texture

300

Name the 3 side bonds

hydrogen, salt, disulfide

300

This hair pigment provides natural colors ranging from red and ginger to yellow and blond tones.

Pheomelanin

300

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

Telogen

300

Trichoptilosis is the technical term for:

Split ends

300

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

Malassezia

300

Hair that has the largest diameter and usually requires more processing is:

Coarse hair

400

Name the 3 types of hair texture

coarse, medium, fine

400

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

Integument

400

What is the Greek word that means "hair"?

Trichos

400

A condition that is characterized by brittleness and the formation of nodular swellings along the hair shaft is:

Trichorrhexis Nodosa

400

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

Pityriasis Steatoides

400

The ability of the hair to absorb moisture is:

Porosity

500

Name the 3 areas of the pH scale

acid, neutral, alkaline (base)

500

Name the five main parts of the hair root.

Follicle, bulb, dermal papilla, arector pili muscle and sebaceous glands

500

What two things does dermal papilla contain that provide nutrients needed for hair growth?

Blood and nerve supply

500

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

Fungal organisms

500

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

More alkaline