1. Answers will vary but should follow either Figure 31.2 or Figure 31.3 and the information on page 611.
2. Sensory neurons take information from a sensation to the central nervous system. Motor neurons take information from the central nervous system to a muscle (or gland). Interneurons connects one type of neuron with another within the central nervous system for purposes of integration and coordination.
3. Answer should follow Figure 31.4.
4. Depolarization - Na+ in; repolarization K+ in. Then Na+/K+ pump restores ions to their proper state.
5. Myelin speeds up the conduction of an action potential. The impulse jumps from node to node.
6. Transmission of an action potential is along a nerve fiber whereas synaptic transmission is across a cleft.
7. Answers will vary but should follow Figure 31.8.
8. Answers will vary.
9. The cerebellum refines motor messages and coordinates muscular movements.
10. Forebrain; neurotransmitter imbalance.
11. Cerebrum
12. Different areas are "responsible" for different parts of the body. Integration exists.
13. Shift to "flight or flight" gear.
TO THINK ABOUT
1. Additional REM sleep (probably).
2. There must be more to it that just size and major structures.
3. There are so many brain cells. Some students might argue, however, that over time noticeable brain damage can be observed.
4. Answers will vary.
5. Answers will vary. But, I caution you to be careful in what you accept. Some students will come up with some scientifically invalid ideas.
6. Probably disorientation.
7. Answers will vary.
feedback form |
permissions |
international |
locate your campus rep |
request a review copy
Copyright ©2001 The McGraw-Hill Companies.
digital solutions |
publish with us |
customer service |
mhhe home
Any use is subject to the
Terms of Use and Privacy Policy.
McGraw-Hill Higher Education is one of the many fine businesses of the
The McGraw-Hill Companies.