Milady end of Chapter questions. Chapter 7

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Define Dermatology

Medical branch of science that deals with the study of skin and its nature, structure, functions, diseases, and treatment

What are the six classes of nutrients that the body needs and how are the obtained?

- Carbohydrates -Water - Minerals - Proteins - Fats -Vitamins Their obtained through eating and drinking

What are Collagen and Elastin ?

- Collagen is a fibrous protein that gives the skin form and strength - Elastin fiber gives the skin its flexibility and elasticity

What are the five basic food groups?

- Grains - Milk - Vegetables - Fruits - Meat, poultry, fish and beans

List the three types of nerve fibers found in the skin

- Motor nerve fibers - Sensory nerve fibers - Secretory nerve fibers

What are six important functions of the skin ?

- Protection - Sensation - Heat regulation - Excretion - Secretion - Absorption

Name the two types of glands contained within the skin and describe their functions

- Sudoriferous (sweat) glands excrete perspiration and detoxify the body by excreting excess salt and unwanted chemicals. Regulate the body temperature and help eliminate waste products from the body. - Sebaceous (oil) glands connected to hair follicles. Secrete sebum

Name four vitamins that can help the skin and describe how they can help

- Vitamin A supports the overall health of the skin. Improve the skin's elasticity and collagen - Vitamin C skin's healing process. Important in fighting the aging process and promotes the production of collagen in the skin's dermal tissues - Vitamin D enables the body to properly adsorb and use calcium - Vitamin E helps protect the skin from the harmful effects of the sun's UV light

What is the essential item that no person can live without? Why is it essential to the skin and body ?

- Water - Drinking pure water is essential to the health of the skin and body because it sustains the health of the cells, assists with the elimination of toxins and waste, helps regulate the body temperature and aids in proper digestion.

Explain how collagen and elastin can be weakened

As we age, gravity causes these fibers to weaken

Name the two main divisions of the skin and the layers within each division

Epidermis - Stratum corneum/ horny layer - Stratum lucidum - Stratum granulosum/ granular layer - Stratum spinosum/ spiny layer - Stratum germinativum/ basal cell layer Dermis - Papillary layer - Reticular layer

Briefly describe healthy skin

Healthy skin should be free of any visible signs of disease, infection, or injury. Smooth, fine-grained texture.

Can the skin be nourished with cosmetic products?

The skin cannot be nourished properly from the outside in with cosmetic products; it must have nourishment from foods that we eat


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