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Nervous System Quiz 16 (60 MCQs)

Quiz Instructions

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1. For the next few milliseconds after an action potential, the axon membrane cannot be stimulated to undergo another. This period of time is called .....
2. Which part of the nervous system contains the nerves that connect all areas of the body?
3. The long, fiber like part of a neuron which the cell sends information to tail fibers and on to other neurons.
4. The ..... hemisphere of the brain is considered to be the artistic and creative side.
5. These carry impulses toward the neuron's cell body
6. To minimize trauma, a spinal tap is properly done at the level of .....
7. The fatty material that coats some axons and speeds nerve impulse conduction is called .....
8. Connects the left and right hemispheres of the brain (women have a larger one than men which helps with multitasking)
9. What is a neuron?
10. What is the electrical signal that travels through a neuron called?
11. The action potential describes the ..... component of electrochemical signaling
12. Cerebrospinal Fluid is secreted by specialized capillaries found here.
13. The hearing system determines where a sound comes from by
14. Controls skeletal muscles
15. Gaps in the myelin sheath are called .....
16. This part of the nervous system regulates voluntary actions such as running and jumping
17. Continuous with the brain stem; connects the brain to nerves
18. The lobe in charge of balance and coordination
19. Action potentials are always propagated along an axon at the same ..... but ..... can vary depending on the strength of the stimulus.
20. Which type of nervous system is in charge of voluntary actions (things that are under your control)?
21. What is #6 in the diagram?
22. The nerve impulse travels from dendrite $\rightarrow$ cell body $\rightarrow$ axon.
23. The buildup of depolarization when EPSPs arrive at several places on the neuron is called ..... summation.
24. Short process of a neuron
25. What is the charge of a resting neuron?
26. What is the fatty covering that insulates the axon called?
27. Sudden surge of electrical activity in the brain that affects how a person feels or acts for a short time
28. Impulse conduction is fastest in neurons that are
29. Part of the bone that manufactures red blood cell.
30. Brain controls all our reflex actions
31. ..... is a progressive degenerative disease of the basal nuclei that affects the dopamine-secreting pathways.
32. The Spinal Cord is the pathway for the messages sent by the brain to the body, and from the body to the brain.
33. When is the potassium channel open?
34. The part of the neuron that receives messages from other neurons
35. Serious injury to the spinal cord can lead to paralysis.
36. Which lobe of the brain transmits visual signals?
37. Which system is made up of organs whose primary function is movement?
38. What do photoreceptors respond to>
39. Thirst and hunger
40. True or False? Reflex is a conscious decision
41. The connection between the large brain and the spinal cord is called
42. This is a relay station for all impulses traveling up. This structure makes sure impulses get to the correct region of the brain. This structure also makes you aware of certain sensations like pain, touch, and temperature.
43. Gaps between the myelin sheath
44. What are the two main organs of the nervous system?
45. These nerves only carry signals TO the central nervous system.
46. If a motor neuron involved in a reflex arc is damaged, which event in that arc is least likely to occur?
47. What are the type of sensory receptors
48. The cell body of a nerve cell contains what?
49. The CF neur/o means
50. What kind of cells make up the nervous system?
51. The nervous system includes .....
52. The ..... is the part of the brainstem that links the medulla oblongata and the thalamus.
53. Type of neuron that perceive information about your environment.
54. With the process of motor output, messages can be sent from the brain to muscles or ..... (Hint-look back at your "functions" notes)
55. Term used to describe axons that do not have a myelin sheath and appear gray in color.
56. A baby born without a brain is diagnosed as having .....
57. The part of the brain located below the cerebrum is the:
58. Where can photoreceptor cells, rods, cones, and ganglion cells be found?
59. Severe damage to the reticular activating system would result in which of the following
60. True or False. For our somatic nervous system, an action potential always has an excitatory effect, never an inhibitory effect
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