Reference no: EM132934457
1. What are the three basic functions of the nervous system?
2. Distinguish between the Central Nervous System (CNS) and the Peripheral Nervous System (PNS).
3. What are three subdivisions of the PNS?
4. You are walking in the woods. You come upon a grizzly bear and her cubs. Your heart starts racing. Your breathing increases. Which specific part of the Autonomic Nervous System (ANS) is at work?
5. After running away from the bear you climb a tree. Once in the tree you realize how hungry you are. Which part of the ANS is stimulated?
6. What is the main type of cell in the nervous system? What are the different parts of this cell? How do we classify these functionally? Structurally?
7. What is the function of each of these cell parts?
8. What is the name of the other cells in the nervous system that help to support and nourish the neurons?
9. How many of these cells from # 8 are found in the CNS? PNS?
10. Which glial cell produces CSF?
11. Which glial cell cleans up foreign debris?
12. Which part of the PNS is considered the voluntary subdivision?
13. What is two functions of myelinated fibers?
14. Why does parts of the brain appear white and other parts appear gray? (what accounts for this?)
15. How does the brain and spinal cord differ in their arrangement of white and gray matter?
16. What is the potential difference of a neuron at rest?
17. What accounts for this difference in membrane polarity from # 16?
18. Summarize what happens to the membrane during an action potential. Give specific events.
19. What is the membrane potential of a neuron during an action potential?
20. When a neuron becomes repolarized, what is happening?
21. Compare continuous conduction to saltatory conduction. Which one is faster? Why?
22. Nerve impulses travel from neuron to neuron by communicating signals called.
23. List 3 common neurotransmitters in the body.
24. What is the name of the space which the neurotransmitters travel from one neuron to another?
25. Use the terms associated with nerve transmission and talk about how SSRIs work.
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