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SVHS ADV BIOLOGY 9th ed. Tortora NAME: ______________________ PERIOD: 1 2 3 4 5 6 D.R. 9.1 – OVERVIEW OF NERVOUS SYSTEM AFTER READING “DID YOU KNOW?” ON PAGE 252; 1. What are some of the roles of the nervous system? 2. Name the two systems that play a role in maintaining homeostasis? (Label each with either fast or slow reacting.) _________________________ _________________________ AFER READING “NEUROTRANSMITTERS” ON PAGE 263-265; 3. How many different types of neurotransmitters are known at this time? _________________ 4. In what structures are they stored and released after being produced? _________________ 5. Explain why ACH might be called a “dual action” neurotransmitter. 6. Explain the role of GABA and the relationship between the drug “Valium”. 7. Explain the role played by the neurotransmitter called “dopamine”. 8. Explain how acupuncture might reduce pain. 9. How is the newly recognized neurotransmitter nitric oxide different from other neurotransmitters? 10. How does cocaine induce euphoria (intensely pleasurable pleasure)? AFER READING “FOCUS ON WELLNESS” ON PAGE 236; 11. Explain the relationship between food and neurotransmitters. 12. Explain why high carbohydrate meal leads to sleepiness but a high protein diet may not, even though amino acids come from proteins and neurotransmitters are usually composed of amino acids. AFTER READING “STRUCTURES OF THE NERVOUS SYSTEM” ON PAGE 226; 13. Contrast cranial nerves and spinal nerves as to location and number. AFTER READING “FUNCTIONS OF THE NERVOUS SYSTEM” ON PAGE 254-257, 14. Name and describe three basic nervous system functions. (Be sure to include efferent neurons, afferent neurons, and interneurons) a. b. c. AFTER READING “ORGANIZATION OF THE NERVOUS SYSTEM” ON PAGE 253, 15. a. The two main subdivisions of the nervous system are _________________________________ and __________________________________ b. The spinal and cranial nerves leading to and from the spinal cord and brain can be divided into three divisions based on their role. Name the three divisions of the CNS, and briefly summarize their roles: (see Figure 9.1) 1. __________________________________________________________________ 2. __________________________________________________________________ 3. ___________________________________________________________________