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A & P Chapter 7 Test

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7 Written Questions

6 Multiple Choice Questions

  1. outer layer of the skin
  2. a skin darkening pigment; stains the surrounding cells, causing them to darken
  3. Found in the external auditory canal of the ear. Secretes cerumen or ear wax that repels insects and traps foreign material.
  4. The same as the integument. Has 2 layers - epidermis and dermis.
  5. Oil glands associated with hair follicles and found in all areas of the body that have hair. Secrete sebum that flows into the fair follicle and then out onto the surface of the skin. This lubricates and helps waterproof the hair and skin and inhibtis the growth of bacteria on the surface of the skin.
  6. the inner layer of the skin The dermis is anchored ot a subcutaneous layer.

6 True/False Questions

  1. stratum germinativumthe surface area of epidermis. Composed of 30 layers of dead, flattened keratinized cells.

          

  2. evaporationoccurs when liquid becomes a gas. ie. rub liquid alcohol on the skin. It evaporates and cools the skin.

          

  3. radiationa tough protein deposited within the cell. It hardens and flattens the cells as they move toward the outer surface of the skin. It also makes the skin water resistant.

          

  4. suboriferous glandOil glands associated with hair follicles and found in all areas of the body that have hair. Secrete sebum that flows into the fair follicle and then out onto the surface of the skin. This lubricates and helps waterproof the hair and skin and inhibtis the growth of bacteria on the surface of the skin.

          

  5. thermoregulationthe mechanism wherby the body balances heat produciton and heat loss.

          

  6. stratum corneumthe surface area of epidermis. Composed of 30 layers of dead, flattened keratinized cells.

          

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