Chapter 9 Objectives -- Nervous System
When you can answer these objectives without looking them up in the notes or text book, you are probably ready to take the test on this chapter.
1. Describe the structure of a neuron.
2. Differentiate between the functions of axons and dendrites.
3. Explain the importance of the myelin sheath. Describe the location of a myelin sheath and how it is formed.
4. Differentiate between the peripheral nervous system and the central nervous system. Tell which organs are found in each.
5. Differentiate between a neuron and a neuroglial cell.
6. Explain the function of a Schwann cell and tell where it is found.
7. List four types of neuroglial cells found in the central nervous system and give their functions.
8. Explain what causes a nerve cell membrane to become polarized.
9. Describe the events that lead to the conduction of a nerve impulse.
10. Explain how impulse conduction differs in myelinated and unmyelinated nerve fibers.
11. List the events that lead to the release of a neurotransmitter.
12. Give the function of a neurotransmitter.
13. Distinguish between excitatory and inhibitory actions of neurotransmitters.
14. Explain how convergence and divergence differ.
15. List three major types of neurons based on structure. Give examples of where you would find each type.
16. List three major types of neurons based on function. Give examples of where you would find each type.
17. Define a nerve.
18. Differentiate between sensory, motor and mixed nerves.
19. Define nerve pathway.
20. List the parts of a reflex arc.
21. Define meninges and give their function.
22. List the layers of the meninges and describe their locations.
23. Give the location and function of cerebrospinal fluid.
24. Describe the structure and functions of the spinal cord.
25. Describe the significance of the cervical and lumbar enlargements.
26. Distinguish between an ascending and a descending tract.
27. List the major divisions of the brain and give the general function of each.
28. List the major divisions of the brain stem and give the function of each division.
29. Define the cerebral cortex.
30. List the different functional regions of the cerebral cortex. Give the location and function of each region.
31. Explain what is meant by hemisphere dominance.
32. Define ventricles and tell where they are located.
33. Give the location and function of the reticular formation.
34. Give the locations and functions of the thalamus and hypothalamus.
35. Differentiate between the somatic nervous system and the autonomic nervous system.
36. Differentiate between cranial nerves and spinal nerves.
37. Explain how spinal nerves and cranial nerves are named.
38. List the major nerve plexuses and tell how they originate.
39. Explain how a spinal nerve is joined to the spinal cord.
40. Name the two divisions of the autonomic nervous system.
41. Describe how the sympathetic nervous system affects various organs.
42. Describe how the parasympathetic nervous system affects various organs.