Anatomy 3

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Author:
tlgerrity
ID:
53117
Filename:
Anatomy 3
Updated:
2010-12-03 15:44:25
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Anatomy
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Multiple choice 3
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  1. Somatic motor and autonomic pathways share all of the following EXCEPT:
    C. Number of neurons between CNS and effector
  2. Within the sympathetic chain ganglion, the preganglionic fiber may:
    D. ALL OF THE ABOVE
  3. Dendrites and cell bodies of the sypathetic preganglionic neurons are located in the:
    C. Gray matter of the thoracic and upper lumbar segments of the spinal cord
  4. Which of the following is not correct?
    B. Sypathetic preganglionic axons pass along the dorsal root of certain spinal nerves
  5. Another name for a parasympathetic nervous system is:
    B. Caniosacral
  6. Which statement is NOT correct? 2
    D. Very few sympathetic preganglionic axon synapse with postganglionic neurons
  7. Betareceptors bind with:
    B. Norepinephrine
  8. Which of the following is NOT an example of sypathetic stimulation?
    A. Constriction of the bronchioles
  9. "Fight or flight" physiological changes include of all the following EXCEPT:
    B. Constriction of respiratory airways
  10. The PNS includes the:
    A. Somatic motor nervous system
  11. The part of the nervous system that controls smooth muscle, cardiac muscle and glands is the:
    B. Autonomic
  12. Neurons have ctyoplasmic extensionsthat connect one neuron to another neuron. Give these structures:
    NUMBERS!
    B. 1,4,3,2
  13. A neuron with many short dendrites and a single long axon is a:
    A. Mutlipolar neuron
  14. Most sensory neurons are _________ neuons
    A. Unipolar
  15. Cells found in the choroid plexuses that secrete cerebrospinal fluid are:
    C. Ependymal cells
  16. Neuroglia that act as phagocytes within the central nervous system are:
    B. Microglia
  17. Axons within nerves may have which of these associated with them?
    • D. A & B
    • ( Shwann cells & Nodes of Ranvier)
  18. Action potentials are conducted more rapidly
    C. Along axons that have nodes of Ranvier
  19. Cluster nerve cell bodies within the PNS are
    A. Ganglia
  20. Gray matter contains primarily
    B. Neuron cell bodies
  21. Given these connective tissue structures:
    1. Endoneurium 3.Epineurium 2. Perineurium
    B. 1,3,2
  22. Neurotransmitter substances are stored in vesicles that are located primarily in specialized portions of the:
    B. Axon
  23. Within a synapse:
    B. Action potentials are conducted only from presynaptic to postsynaptic membranes
  24. Given the last information concerning synpatic transmission:

    Very long w/ a set of numbers
    B. 1,3,5,2,6,4
  25. An inhibitory neuron affects the neuron it synpases with by
    E. ALL OF THE ABOVE
  26. Summation:
    D. ALL OF THE ABOVE
  27. Which of these structures is a component of reflex arc?
    E. ALL OF THE ABOVE
  28. A convergent circuit:
    C. Occurs when many neurons synapse with a smaller number of neurons
  29. The output of a convergent circuit could be:
    E. ALL OF THE ABOVE

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