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5 Written questions

5 Matching questions

  1. Arrector pili
  2. Pleura
  3. Keratin
  4. Melanocytes
  5. Synovial membrane
  1. a a tough, insoluble protein found in tissues such as hair, nails, and epidermis of the skin.
  2. b a smooth muscle attached to hair follicles that causes "goose bumps" to appear on the skin when contracted
  3. c membrane that lines the fibrous capsule of a synovial joint.
  4. d Cells that produce melanin.
  5. e the serous membrane covering the lungs and lining the thoracic cavity.

5 Multiple choice questions

  1. the deepest cell layer of the epidermis, lies closest to the dermis and is connected to it along a wavy borderline that resembles corrugated cardboard.
  2. membrane that forms the linings of body cavities open to the exterior (digestive, respiratory, urinary, and reproductive tracts)
  3. a clear, watery fluid secreted by the cells of a serous membrane.
  4. the dark pigment synthesized by melanocytes responsible for skin color.
  5. the outermost layer, 20 to 30 cell layers thick and accounts for ¾ of the epidermal thickness. Shinglelike dead cell remnants, full of keratin. The layer provides a durable overcoat for the body. Protects deeper cells from hostile environment(air) and from water loss. Resists biological, chemical, and physical assaults. Layer is replaced by cells produced by the division of the deeper stratum basale cells. New epidermis every 25 to 45 days. (flakes off as dandruff)

5 True/False questions

  1. Reticular layerthe upper dermal region. It is uneven and has peglike projections from its superior surface, called dermal papillae, which indent the epidermis above.

          

  2. Peritoneum .the membranous sac enveloping the heart.

          

  3. Sweata clear secretion that is primarily water plus some salts (sodium chloride), vitamin C, traces of metabolic wastes (ammonia, urea, uric acid), and lactic acid(the chemical that accumulates during vigorous muscle activity) sweat is acidic pH from 4-6. Sweat reaches the surface through ducts that opens as a pore.

          

  4. Naila clear secretion that is primarily water plus some salts (sodium chloride), vitamin C, traces of metabolic wastes (ammonia, urea, uric acid), and lactic acid(the chemical that accumulates during vigorous muscle activity) sweat is acidic pH from 4-6. Sweat reaches the surface through ducts that opens as a pore.

          

  5. Serous membranemembrane that lines a cavity without an opening to the outside of the body (except for joint cavities, which have a synovial membrane); serosa.

          

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