Study Guide: Nervous System
1. Impulses are taken to the central nervous system by ______.
2. Motor neurons bring impulses from the brain to
a. muscles b. other neurons c. glands d. all of the above
3. What do efferent neurons do?
4. Terms of the somatic division are all of the following except what?
a. skeletal muscle b. motor c. voluntary d. sensory
5. What are the 3 parts of a neuron in the correct order of how nerve impulses travel?
6. What are the elevated marked ridges of the surface of the cerebral hemispheres called?
7. What portion of the cerebrum is responsible for higher level thought and reasoning?
8. Where is the primary visual area located?
9. What area of the cerebrum that allows us to say words correctly?
10. What is the large fiber tract called that connects the two hemispheres?
11. What forms the cerebrospinal fluid (CSF)?
12. The most superior meninges closest to the skull are called:
13. What would be the result of damage to the posterior dorsal horn of the spinal cord?
14. What do dendrites do?
15. The nerve impulse in an axon travels:
16. What is the function of the sodium/potassium pump?
17. What is the primary function of the spinal cord?
18. A reflex action is:
19. What are the membranes called that protect the brain and spinal cord?
20. What is the main function of CSF?
21. Which part of the brain is responsible for regulation of posture and coordination of skeletal muscle movements?
22. What is the correct order of brain membranes listed from superficial to deep?
23. Which lobe of the cerebrum is responsible for vision?
24. The PNS does not include:
a. spinal nerves b. spinal cord c. cranial nerves
25. The sympathetic system is important in what type of situation?
26. What neurotransmitter is found at every neuromuscular junction?
27. What would the effect of epinephrine released by the sympathetic division on the heart would be to:
Match the following structures and functions:
FUNCTION STRUCTURE
28. Important relay station for afferent fibers a. pituitary gland
29. Regulates balance, equilibrium, posture b. thalamus
30. Contains reflex centers involved in respiratory rhythm c. hypothalamus
31. Site of regulation of body temp, part of limbic system d. pons
e. cerebellum
Use the following diagram to the right to answer questions 32-35
32. depolarization
33. repolarization
34. action potential
35. hyperpolarization
Refer to the diagram of the brain for the following questions:
36. H is the:
37. D is the:
38. A is the:
39. F is the:
40. Be able to locate the following:
-cerebellum
-pituitary gland
-corpus callosum
-pons
-medulla oblongata
41. Be able to identify synaptic cleft and sodium channels (presynaptic receptors) on your neuron diagram.
42. Be able to identify the following cranial nerves using a diagram: olfactory nerve, vagus nerve, optic nerve.
43. Know that the 1st month of pregnancy is when the nervous system starts to develop
44. Know the hypothalamus is the last structure to form in pregnancy
45. Know that drugs, alcohol, smoking and viruses can harm the fetus