Milady's Chapter 10

What effect does nicotine have on the body?

Contraction of the blood vessels

What color is eumelanin?

Dark brown to black

What stimulates melanin production?

Exposure to sunlight

Where do phytoestrogens come from?

Plants

What are the basic material and building blocks for body tissue?

Proteins

What type of glands secret oil?

Sebaceous glands

Name the characteristics of healthy skin?

Slightly acidic

What is the bottom layer of the epidermis?

Stratum germinativum

Which layer of the epidermis in known as the grainy cells?

Stratum granulosum

What is histiology?

Study of the structure and composition of the skin tissue

What is not a function of lymph?

Supplying nutrients to the skin

What type of ultraviolet radiation is known as the burning rays?

UVB

What is not a method by which the body maintains thermoregulation?

absorption

What is the average adult skin cell turnover rate?

28 days

What percentage of hair is comprised of hard keratin?

90%