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Chapter 6 Questions
Question | Answer |
---|---|
Functions of the skin include ____________. | maintains homeostasis, and provides protection |
The epidermis is composed of layers of __________ tissue. | stratified squamous epithelium |
Distinguish between the epidermis and the dermis. | epidermis is top layer of skin, dermis is lower layer |
Explain what happens to epidermal cells as they undergo keratinization. | they are hardening, as they move to the surface, they die and slough off |
Describe the function of melanocytes. | melanocytes produce pigment which gives your skin color |
Describe how nails are formed. | epithelial cells move and become extremely keratinized and very hard |
Distinguish between a hair and hair follicle. | a hair is formed and planted in the hair follicle |
Explain the function of sebaceous glands. | they keep hair soft, pliable, waterproof by producing and secreting sebum |
The sweat glands that respond to elevated body temperature and are commonly found on the forehead, neck, and back are ___________ glands. | eccrine glands |
radiation | heat moves from body directly into molecules of cooler objects in contact with its surface |
conduction | heat rays escape from warmer surfaces to cooler surroundings |
convection | continuous circulation of air over a warm surface |
evaporation | fluid changes from liquid to gas |
Distinguish among first, second, and third degree burns. | first) short healing period; superficial partial thickness second) deep partial thickness third) full thickness burn |
Describe possible treatments for a third-degree burn. | autograft: skin from your body; allograft: skin from cadaveur |