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5 Written questions

5 Matching questions

  1. Eccrine gland
  2. Dermis
  3. Integumentary system
  4. Hair follicle
  5. Sebaceous gland
  1. a glands that empty their sebum secretion into hair follicles.
  2. b 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.
  3. c the skin and its accessory organs.
  4. d the deep layer of the skin; composed of dense, irregular connective tissue
  5. e found all over the body, they produce sweat, important in part of the body's heat-regulating equipment. Supplied with nerve endings that cause them to secrete sweat when the external temperature or body temperature is high.

5 Multiple choice questions

  1. 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)
  2. the dark pigment synthesized by melanocytes responsible for skin color.
  3. glands that have ducts through which their secretions are carried to a body surface (skin or mucosa)
  4. a tough, insoluble protein found in tissues such as hair, nails, and epidermis of the skin.
  5. composed of epithelial tissue and an underlying layer of connective tissue. (also called covering and lining membranes, include the cutaneous membrane, the mucous membranes, and the serous membranes.

5 True/False questions

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

          

  2. Reticular layerthe 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.

          

  3. Sebuma 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. Serous membranemembrane that forms the linings of body cavities open to the exterior (digestive, respiratory, urinary, and reproductive tracts)

          

  5. 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).