Chapter 11 test

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

• Trichology

• Cosmetology

• Sciencetolgy

• Cartiolgy

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

• Amino-Peptide

• Polymer

• Keratin

• Polypeptide

The Greek word Trichos means _______.

• Skin

• Fingernails

• Glands

• Hair

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

• Cohns Elements

• Dermal Foundation

• Amino Acids

• Keratins

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

• Epidermal

• Integumentary

• Endocrine

• Lymphatic

The substance secreted by the sebaceous glands is called ___________.

• Sebum

• Sulfur

• Sudoriferous

• Lymph

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

• Hair shaft

• Hair root

• Hair cuticle

• Hair medulla

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

• Inner follicle

• Angled bulb

• Arrector pili

• Dermal papilla

What is the outermost layer of hair?

• Hair cuticle

• Arrector pili

• Hair cortex

• Hair medulla

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

• Hair follicle

• Hair strand

• Dermal papilla

• Dermal cuticle