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5 Written questions

5 Matching questions

  1. postganglionic fiber
  2. vasomotor tone
  3. autonomic tone
  4. adrenergic fiber
  5. dual innervation
  1. a the axon of neuron 2 leaves the ganglion and extends to the organ
  2. b the background activity created by the sympathetic and parasympathetic continuously firing at a low level
  3. c a fiber that secretes norepinephrine as its neurotransmitter (postganglionic sympathetic)
  4. d the effects of sympathetic and parasympathetic activity are complementary rather than opposite, i.e. erectile activity is regulated by the parasympathetics, whereas ejaculation is regulated by the sympathetics
  5. e sympathetically induced continuous state blood vessel constriction

5 Multiple choice questions

  1. a fiber that secretes ACh as its neurotransmitter (preganglionic and postgangionic parasympathetic)
  2. "feed and breed" or "resting and digesting" is most active during quiet, non-stressful conditions; has a calming effect on the body; regulates digestion and in reproductive function
  3. the neurons of the sympathetic nervous system leave the spinal cord at the thoracic and lumbar levels
  4. receptor located on effector organs of sympathetic nervous system that responds to norepinephrine
  5. directly activates receptors

5 True/False questions

  1. two neurotransmitters of the ANSACh and norepinephrine (NE)


  2. two types of cholinergic receptorsalpha- and beta-


  3. nicotinic receptorsare located in both the sympathetic and parasympathetic nervous system, and outside the ANS


  4. muscarinic receptorsare located on the target organs (cardiac muscle, smooth muscle, and glands) of the parasympathetic nerves


  5. sympathetic nervous system"fight or flight"; is activated during periods of stress or times when a person feels threatened in some way


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