DBB - Exam 1 - Brain/Nervous System

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  1. Sympathetic nervous system has origins at which nerves?
    Thoracic and lumbar spinal cord
  2. Parasympathetic nervous system has origins at which nerves?
    Cranial nerves and Sacral spinal cord
  3. Sympathetic has long or short preganglionic nerves; long or short postganglionic nerves?
    Short preganglionic; long postganglionic
  4. Parasympathetic has long or short preganglionic nerves; long or short postganglionic nerves?
    Long preganglionic; short postganglionic
  5. Sympathetic releases _______ to _______ receptors preganglionic; releases _______ to _______ receptors postganglionic.
    • ACh to nAChR preganglionic
    • NE to adrenergic postganglionic
  6. Parasympathetic releases ______ to ______ receptors preganglionic; releases _____ to ______ receptors postganglionic.
    • ACh to nAChR preganglionic
    • ACh to mAChR postganglionic
  7. nAChR is ionotropic or metabotropic?
    Ionotropic
  8. 4 types of glial cells:
    • Schwann cells
    • Oligodendrocytes
    • Microglial cells
    • Astrocytes
  9. Absolute refractory period
    • The time during which Na channels are closed and cannot be opened
    • Prevents the occurrence of another action potential
  10. Relative refractory period
    • Hyperpolarizing phase after an action potential (overshoot)
    • Makes it more difficult to have another action potential
  11. Amino acid neurotransmitters
    • Glutamate
    • GABA
    • Glycine
  12. Monoamine neurotransmitters
    • Dopamine
    • Norepinephrine
    • Serotonin

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Author:
 Anonymous
ID:
 172194
Filename:
 DBB - Exam 1 - Brain/Nervous System
Updated:
2012-09-20 17:46:10
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