298 UNIT 14 Introduction to the Nervous System PART II. Putting It All Together

Question

298 UNIT 14 Introduction to the Nervous System PART II. Putting It All Together A. Review Questions Answer the following questions using your lecture notes, your textbook, and your lab notes. 1. Which of the following structures is a component of the peripheral nervous system? a. brain b. spinal cord c. cranial nerves d. spinal nerves e. More than one of these answers is correct 2. Which of the following cell types produces myelin? a. oligodendrocyte b. astrocyte c. ependymal cell d. schwann cell e. More than one of these answers is correct 3· The nervous system is divided into the CNS and the PNS. The PNS is divided into the and the divisions. The division is further divided into somatic and autonomic portions The autonomic nervous system innervates and whereas the somatic nervous system innervates 4. Is a nerve an organ or a tissue? Explain. 5. List the three categories of neurons based on structure 6. List the three categories of neurons based on function:

Explanation / Answer

1. The answer is: e. More than one of these answers is correct.

Both cranial nerves and spinal nerves are part of the peripheral nervous system.

2. The answer is: e. More than one of these answers is correct.

In CNS, myelin is produced by oligodendrocytes while outside CNS, Schwann cells produce myelin.

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