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5 Written questions

5 Matching questions

  1. Autonomic Control (Sweating)
  2. Efferent Neurons
  3. Heat Production
  4. ECF Contains
  5. Hippocrates (460-377 BC)
  1. a Greek; natural events have natural causes; a physician's main role was to assist the body's own healing power; no invasive techniques; "In disease, look to the spine first."
  2. b Motor neurons that are fibers from the central nervous system to effectors like muscles.
  3. c Catabolic reactions generate the most.
  4. d sodium, chloride, calcium, bicarbonates, nutrients for cells (e.g. glucose, fatty acids, amino acids), oxygen and carbon dioxide
  5. e Nerve impulse from anterior hypothalamic preoptic area → Spinal cord → Sympathetic nerves → Sweat glands in the skin → Sweat secretion

    Note: sweat glands innervated by cholinergic fibers, epinephrine and nor epinephrine also influence sweat secretion (import for losing heat during exercise)

5 Multiple choice questions

  1. Transfer of heat from the body by currents (air and water).
  2. Studied animal motions; basis of muscle contraction resided in the muscle fibers.
  3. Increased metabolic rate (20-30%), more nutrients utilized, more calories consumed.
  4. Skin freezes. Areas susceptible: fingers, toes, ear lobes, and eyes. Ice crystals form in tissues impairing blood circulation, causing permanent damage, leading to gangrene following thawing.
  5. Nutrient concentration; oxygen/carbon dioxide concentration; waste product concentration; pH; salt and ion concentration; temperature.

5 True/False questions

  1. Aldosterone (Sweating)Receives sensory input and compares it to the desired value (set point).


  2. (Skin as) InsulatorWhile blood is kept below adipose tissue, a poor conductor of heat, skin is {this}.


  3. Effector60% found in the brain, 1 trillion cells, 100 billion in brain, communicate via action potentials, generate action and electrical potentials.


  4. ThermoregulationCatabolic reactions generate the most.


  5. Core Temperature* Isolates the cell
    * Regulates the intracellular and extracellular ionic environment
    * Comprised of a phospholipid bilayer