Anatomy & Physiology Ch. 7 Part 1 Worksheet (55 points) key



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Anatomy & Physiology

Ch. 7 Part 1 Worksheet (55 points) KEY


Directions: Complete the following in dark blue or black ink.
1 (A H). (8 points) Label the following neuron in the spaces given. Use the key below.

Node of Ranvier Axon Dendrites

Axon Terminals Nucleus Myelin Sheath


A
Cell Body Schwann’s Cells


D



C

B

E

F

H

G



A. Dendrites

E. Schwann Cell

B. Cell Body

F. Myelin Sheath

C. Node of Ranvier

G. Axon

D. Axon Terminal

H. Nucleus


2-7. (6 points) Use the key below to answer the following questions. Letters may be used more than once and more than one letter may be used at one time.

a. astrocytes b. oligodendrocytes c. microglial cells d. ependymal cells


_ABCD 2. These are neuroglial cells.

_C___ 3. These perform phagocytosis.

_D___ 4. These form the membrane-like structure that covers the brain.

_A___ 5. These form scar tissue.

_B___ 6. These form myelin.

_A___ 7. These support and regulate [ion] and blood vessels.


8-13. (6 points) Match Column A with Column B. Use letters only once.

A B

_D___ 8. Afferent a. Autonomic Nervous System

_F___ 9. Spinal and cranial nerves b. Somatic Nervous System

_C___ 10. Efferent c. Motor Division

_E___ 11. Brain and spinal cord d. Sensory Division

_A___ 12. Involuntary control e. Central Nervous System

_B___ 13. Voluntary control f. Peripheral Nervous System
14-18. (5 points) Using the above letters as a choice, answer the following questions. Letters may be used more than and more than one answer may be used at once.
_D___ 14. This carries information from the brain to the body.

_C___ 15. This involves the skeletal muscles.

_ABC_ 16. This involves cardiac and smooth muscles.

_AC__ 17. This includes the sympathetic and parasympathetic divisions.

_AB___ 18. This includes the motor division.
19-23. (5 points) Use the key below to answer the following questions. Letters may be used more than once and more than one letter may be used at one time.

a. integration b. sensory input c. motor output

_B___ 19. This is the first step in information processing of the central nervous system.

_ABC_ 20. This is a step of information processing within the CNS.

_C___ 21. This causes muscles or glands to respond to a received stimulus.

_B___ 22. This involves the PNS receiving stimuli.

_B___ 23. This generally involves unipolar and bipolar neurons.
24-28. (5 points) Match Column A with Column B. Use letters only once.

A B

_C___ 24. Neurons a. Small clusters of cell bodies in the CNS

_A___ 25. Ganglia b. Fibers running through the nervous system

_E___ 26. Gray Matter c. Main cell type in the CNS

_D___ 27. White Matter d. Myelinated fibers

_B___ 28. Nerves e. Unmyelinated fibers



29-33. (5 points) Match Column A with Column B. Use letters only once.

A B

_E___ 29. Dendrites a. Lipoprotein covering of large axons

_C___ 30. Axons b. Gaps within the myelin sheath

_D___ 31. Schwann Cells c. Send messages

_A___ 32. Myelin Sheath d. Neuroglial cells found within the myelin sheath

_B___ 33. Nodes of Ranvier e. Receive messages


34 (AC). (3 points) Label the following neuron in the spaces given. Use the key below.

Bipolar Neuron Unipolar Neuron Multipolar Neuron



C

B

A



A. Bipolar Neuron

B. Unipolar Neuron

C. Multipolar Neuron
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