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5 Written questions

5 Matching questions

  1. Arrector pili
  2. Melanocytes
  3. Exocrine Gland
  4. Pleura
  5. Stratum corneum
  1. a the serous membrane covering the lungs and lining the thoracic cavity.
  2. b a smooth muscle attached to hair follicles that causes "goose bumps" to appear on the skin when contracted
  3. c Cells that produce melanin.
  4. d 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. e glands that have ducts through which their secretions are carried to a body surface (skin or mucosa)

5 Multiple choice questions

  1. the deepest skin layer, contains irregularly arranged connective tissue fibers, as well as blood vessels, sweat and oil glands and deep pressure receptors called lamellar corpuscles.
  2. the skin; composed of epidermal and dermal layers
  3. membrane that forms the linings of body cavities open to the exterior (digestive, respiratory, urinary, and reproductive tracts)
  4. slightly slanted compound structures. The inner epidermal sheath is composed of epithelial tissue and forms the hair. The outer dermal sheath is actually dermal connective tissue. Dermal region supplies blood vessels to the epidermal portion/reinforces it.
  5. Sweat glands in the pubic and underarm areas that secrete thicker sweat, that produce odor. (secretions contain water, salts, fatty acids, and proteins)

5 True/False questions

  1. 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.

          

  2. Epithelial membranemembrane that lines the fibrous capsule of a synovial joint.

          

  3. Sebaceous glandglands that empty their sebum secretion into hair follicles.

          

  4. Naila scale-like modification of the epidermis that corresponds to the hoof or claw of other animals. Has a free edge, a body(visible attached portion), and a root (embedded in the skin).

          

  5. Keratinthe dark pigment synthesized by melanocytes responsible for skin color.

          

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