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CH. 10 REVIEW INTRO TO NERVOUS SYSTEM
AnswErs CH. 10 REVIEW INTRO TO NERVOUS SYSTEM
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1. Name these “branches”. dendrites
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2. Name this part (red bracket).
Cell body
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3. Name the “dots”. Nissl bodies
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4. Name this region outlined by yellow.
Axon hillock
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Myelin sheath or Schwann cells
5. Name the part indicated by arrows on is outlined in yellow. Myelin sheath or Schwann cells
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6. Name the outer most cover shown in yellow.
neurilemma
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7. Name the part shown in yellow.
axon
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8. Name the part shown in yellow.
Synaptic knob
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Protein channel for Na+
9. Name the white boxes shown by arrow. Protein channel for Na+
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10. Name the part shown in yellow.
Post synaptic neuron
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11. The black triangles represent what?
neurotransmitter
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12. Name the “space” shown by arrow.
synapse
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13. Which way is the impulse traveling (A or B)?
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14. Give the structural classification of this neuron.
bipolar
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15. Give the structural classification of this neuron.
unipolar
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16. Give the structural classification of this neuron.
multipolar
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17. Name this CNS neuroglial cell.
satellite
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Schwann 18. Name this CNS neuroglial cell.
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19. Name this PNS neuroglial cell.
Oligodendrocyte
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20. Name this PNS neuroglial cell.
Astrocyte
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21. Name this PNS neuroglial cell.
ependymal
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22. Name this PNS neuroglial cell.
microglia
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23. Name the purple ions. Na+ -70
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A = fastest D = slowest A B C D E 24. Choose the diagram with the fastest action potential speed and the slowest action potential speed.
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25. Name the orange ions. K+ -70
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Protein organic anions
26. Name the blue ions. Protein organic anions -70
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27. Which letter represents a sodium potassium pump?
B -70 A B C
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depolarization 28. What does this region (bracket) represent? (hint: ends in –ation)
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repolarization 29. What does this region (bracket) represent? (hint: ends in –ation)
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30. Which represents convergence?
B A B
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31. Name these “indentations”.
Nodes of Ranvier
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32. What type of nerve impulse conduction is shown here?
Saltatory conduction
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33. What ion diffuses in here and allows the vesicles to undergo exocytosis and dump the neurotransmitters into the synapse? Calcium = Ca+
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34. Look at the part encircled in the yellow dotted line
34. Look at the part encircled in the yellow dotted line. What is occurring here? reuptake
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List the effectors for each yellowbox.
Skeletal muscle Smooth muscle Cardiac muscle Glands
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Choose the step this picture illustrates: Depolarization
Hyperpolarization Resting hyperpolarization
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37. Which represents repolarization?
# 4
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38. What does # 5 represent? hyperpolarization
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Ligand voltage gated channel
39. What is the name for this structure shown by yellow arrow? Ligand voltage gated channel
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40. In this diagram what is the specific role of Ach?
It is the ligand
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THE END
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