1. CH. 10 REVIEW INTRO TO NERVOUS SYSTEM
AnswErs
CH. 10 REVIEW INTRO TO NERVOUS SYSTEM

2. 1. Name these “branches”.
dendrites

3. 2. Name this part (red bracket).
Cell body

4. 3. Name the “dots”.
Nissl bodies

5. 4. Name this region outlined by yellow.
Axon hillock

6. Myelin sheath or Schwann cells
5. Name the part indicated by arrows on is outlined in yellow.
Myelin sheath or Schwann cells

7. 6. Name the outer most cover shown in yellow.
neurilemma

8. 7. Name the part shown in yellow.
axon

9. 8. Name the part shown in yellow.
Synaptic knob

10. Protein channel for Na+
9. Name the white boxes shown by arrow.
Protein channel for Na+

11. 10. Name the part shown in yellow.
Post synaptic neuron

12. 11. The black triangles represent what?
neurotransmitter

13. 12. Name the “space” shown by arrow.
synapse

14. 13. Which way is the impulse traveling (A or B)?

15. 14. Give the structural classification of this neuron.
bipolar

16. 15. Give the structural classification of this neuron.
unipolar

17. 16. Give the structural classification of this neuron.
multipolar

18. 17. Name this CNS neuroglial cell.
satellite

19. Schwann
18. Name this CNS neuroglial cell.

20. 19. Name this PNS neuroglial cell.
Oligodendrocyte

21. 20. Name this PNS neuroglial cell.
Astrocyte

22. 21. Name this PNS neuroglial cell.
ependymal

23. 22. Name this PNS neuroglial cell.
microglia

24. 23. Name the purple ions.
Na+
-70

25. 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.

26. 25. Name the orange ions. K+
-70

27. Protein organic anions
26. Name the blue ions.
Protein organic anions
-70

28. 27. Which letter represents a sodium potassium pump?B
-70 A B C

29. depolarization
28. What does this region (bracket) represent? (hint: ends in –ation)

30. repolarization
29. What does this region (bracket) represent? (hint: ends in –ation)

31. 30. Which represents convergence?B A B

32. 31. Name these “indentations”.
Nodes of Ranvier

33. 32. What type of nerve impulse conduction is shown here?
Saltatory conduction

34. 33. What ion diffuses in here and allows the vesicles to undergo exocytosis and dump the neurotransmitters into the synapse?
Calcium = Ca+

35. 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

36. List the effectors for each yellowbox.
Skeletal
muscle
Smooth muscle
Cardiac muscle
Glands

37. Choose the step this picture illustrates: Depolarization
Hyperpolarization
Resting
hyperpolarization

38. 37. Which represents repolarization?
# 4

39. 38. What does # 5 represent?
hyperpolarization

40. Ligand voltage gated channel
39. What is the name for this structure shown by yellow arrow?
Ligand voltage gated channel

41. 40. In this diagram what is the specific role of Ach?
It is the ligand

42. THE END