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Cosmetology
Ch. 11 Exam
| Question | Answer |
|---|---|
| The thickness or diameter of the individual hair strand is referred to as hair | Texture |
| What structures contain the blood and nerve supply that provide the nutrients needed for hair growth? | Dermal Papillae |
| What is the technical term for beaded hair? | Monilethrix |
| A lengthwise section of hair shows that cuticle scales overlap and each individual cuticle scale is attached to the . | Cortex |
| Permanent waving and hair relaxers change the shape of hair by chemically altering the hair's . | Disulfide Bond |
| Dry hair and scalp should be treated with products that contain moisturizers and . | Emollients |
| What severe form of dandruff is accompanied by redness and inflammation? | Seborrheic Dermatitis |
| The thickened, club-like structures that forms the lower part of the hair root is the . | Hair Bulb |
| All natural hair color of the result of pigment called . | Melanin |
| What is the growth phase during which new hair is produced? | Anagen |
| The fibrous protein core formed by elongated cells that contains melanin pigment is the . | Cortex |
| Which terms refers to a layer that protects the hair from penetration and prevents damage to hair fibers? | Hair cuticle |
| Which layer of the hair shaft creates the shine and the smooth, silky feel of healthy hair? | Hair Cuticle |
| The small, involuntary muscle fiber in the base of the hair follicle is the . | Arector Pili |
| The ability of hair to stretch and return to its original length without breaking is referred to as hair . | Elasticity |
| What are the three growth cycles of human hair? | Anagen, catagen, telogen |
| The Greek word trichos means . | Hair |
| Which type of hair has the largest diameter and usually requires more processing? | Coarse Hair |
| What type of hair is short, fine, unpigmented, and downy? | Vellus hair |
| Tinea is characterized by itching scales and sometimes painful circular lesions and is caused by . | Fungal Organisms |
| The ability of the hair to absorb moisture is hair . | Porosity |
| What part of the hair is located below the surface of the epidermis? | Hair Root |
| What is a scalp disorder characterized by dry, sulfur-yellow, cup-like crusts on the scalp? | Tinea Favosa |
| What term refers to an infestation of the hair and scalp with head lice? | Pediculosis Capitis |
| The pigment that provides brown or black color to hair is . | Eumelanin |
| Trichoptilosis is the technical term for . | Split ends |
| Vellus hair is also known as hair. | Lanugo |
| Chemical services performed on hair with low porosity require a solution. | More alkaline |
| What is the technical term for grey hair? | Canities |
| Hydroxide chemical relaxers break disulfide bonds and convert them to bonds. | Lanthionine |
| The pocket or tube-like depression in the scalp or skin that contains the hair root is the hair . | Follicle |
| The complete loss of all body hair is known as . | Alopecia Universalis |
| What is the technical term for brittle hair? | Fragilitas Crinium |
| What is a severe type of dandruff characterized by an accumulation of greasy or waxy scalp scales mixed with sebum? | Pityriasis Steatoides |
| What substances are comprised of long, coiled, complex polypeptides made of amino acids? | Proteins |
| The sudden falling out of hair in round patches or baldness in spots is known as . | Alopecia Areata |
| The hair, skin, nails, and glands are part of the system. | Integumentary |
| A long chain of amino acids linked by peptide bonds is called a chain. | Polypeptide |
| Hair flowing in the same direction, as the result of follicles sloping in the same direction, is known as a . | Hair Stream |
| What is the oily substance secreted by the skin's oil glands that lubricates the hair and skin? | Sebum |
| What is the cross-section shape of curly hair? | Oval |
| The major elements that make up the human hair are carbon, oxygen, hydrogen, nitrogen, and sulfur, often referred to as . | COHNS elements |
| What term refers to the scientific study of hair and its diseases and care? | Trichology |
| What type of bond is broke by wetting the hair with water and is reformed when the hair dries? | Hydrogen Bond |
| The changes involved in oxidation hair coloring, wet setting, thermal styling, permanent waving, and chemical hair relaxing take place within the . | Cuticle |
| The three different types of side bonds that link chains of amino acids together are . | Hydrogen, Salt, and Disulfide |
| What term refers to the shape of the hair strand? | Wave Pattern |
| Hair is approximately percent protein. | 90 |
| The units of structure that build protein and are joined together end to end like pop beads are . | Amino Acids |
| Current research confirms that dandruff is the result of a fungus called . | Malassezia |
Created by:
Cerrabeth2