Question

86 chapter 6: the nervous system
finally, an understanding of the autonomic nervous system and the specific functions of the subdivisions of
this system are necessary to complete the review of this chapter.
organs and divisions of the nervous system
cells of the nervous system
nerves
match the term on the left with the proper selection on the right.
group a
____ 1. sense organ a. subdivision of peripheral nervous system
____ 2. central nervous system b. ear
____ 3. peripheral nervous system c. brain and spinal cord
____ 4. autonomic nervous system d. nerves that extend to the outlying parts of the body
group b
____ 5. dendrite a. indentations between adjacent schwann cells
____ 6. schwann cell b. branching projection of neuron
____ 7. motor neuron c. also known as efferent
____ 8. nodes of ranvier d. forms myelin outside the central nervous system
____ 9. fascicles e. tough sheath that covers the whole nerve
____ 10. epineurium f. groups of wrapped axons

Explanation:

1. Sense organ: The ear is a sense organ (B).
2. Central nervous system: Consists of brain and spinal cord (C).
3. Peripheral nervous system: Has nerves extending to outlying body parts (D).
4. Autonomic nervous system: Subdivision of peripheral nervous system (A).
5. Dendrite: Branching projection of neuron (B).
6. Schwann cell: Forms myelin outside CNS (D).
7. Motor neuron: Also called efferent (C).
8. Nodes of Ranvier: Indentations between Schwann cells (A).
9. Fascicles: Groups of wrapped axons (F).
10. Epineurium: Tough sheath covering whole nerve (E).

Answer:

1. B. Ear
2. C. Brain and spinal cord
3. D. Nerves that extend to the outlying parts of the body
4. A. Subdivision of peripheral nervous system
5. B. Branching projection of neuron
6. D. Forms myelin outside the central nervous system
7. C. Also known as efferent
8. A. Indentations between adjacent Schwann cells
9. F. Groups of wrapped axons
10. E. Tough sheath that covers the whole nerve