Download PNS Study Guide

Name:______________________________________
Nervous System Study Guide: Part 1
1. What does your nervous system do for your body?
2. Describe the 3 steps of normal brain activity. Include the 3 steps and how they communicate to
other parts of the nervous system.
3. What type of signals are impulses? Are they slow or rapid signals?
4. What are the 2 structural classifications of the nervous system? What do the two terms stand
for?
5. What structures of the body make up the CNS and PNS?
6. What are the two functional classifications of the PNS? Describe the function of each (flow
chart).
7. What are the 2 types of motor nerves? How are they different?
8. What are the 2 types of autonomic nerves? Make sure you know when they are used.
9. Be able to draw and describe a reflex arc.
10. ***Draw a neuron. Label the neuron, dendrites, cell body, axon, Schwann cells, nodes of
Ranvier, axon terminals, synapse and synaptic cleft. ***
11. Which part of the neuron RECEIVES information and which part of the neuron SENDS
information away from the cell body?
12. What is the space called in between neurons where chemicals are exchanged? What are these
special chemicals called?
13. *** Describe the 3 functional classifications and the 4 structural classifications of neurons. ***
14. List and define the 2 major functional properties of neurons.
15. ***Show OR describe the 4 steps of how a neuron generates an electrical impulse.***
16. List and describe the 3 types of nerve fibers.
17. How are the somatic and autonomic nervous systems different?
18. What are the two autonomic nervous system divisions? How are they different?
19. Why is a lack of oxygen so dangerous to the nervous system in particular?
Note: *** signifies a possible essay***