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Nervous System Quiz 317 (60 MCQs)

Quiz Instructions

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1. Where do images focus?
2. Motor speech area
3. Primarily senses the external environment and controls voluntary activities about which decisions and commands come from the cerebral cortex of the brain.
4. A type of neuroglial cell that surrounds an axon of a peripheral neuron, forming the neurilemmal sheath and myelin
5. What is the ideal form of rest after a concussion?
6. Functions of the Nervous System20 ..... information from the body's senses
7. Depolarization of neurons results from the entry of sodium ions into the cell.
8. The time following an action potential in which no new action potential can be generated is called
9. Which part of the brain helps you stay awake and alert?
10. What does the myelin sheath do the the action potential carried on an axon?
11. Which part of the blood is designed to help in clotting?
12. True or False:-phasia means speech
13. Which part of the neuron hold the nucleus?
14. Major functions of the Nervous system
15. A nerve cell with a unique structure for receiving and passing on information:
16. The ..... nervous system is responsible for "Rest and Digest" and works to conserve homeostasis within the body?
17. In resting potential or a polarized neuron, neurons have more ..... on the outside of the cell membrane.
18. Your skeletal system is in charge of making your blood and giving you shape.
19. Motor neurons are neurons located in the .....
20. At what stage are both ions present in large concentrations INSIDE the neuron?
21. Which one of the following best describes the function of the organ of Corti?
22. What are the support cells in the CNS collectively known as?
23. How much of a change in the membrane potential is necessary for the summation of postsynaptic potentials to result in an action potential being generated?
24. What is the "highway" that all nerves travel on
25. Mechanical receptors
26. Sneezing is controlled by what part of the brain?
27. Which lobe of the brain processes somatosensory information such as touch, pain, temperature, and limb location?
28. Reception and evaluation of most sensory information, such as touch, balance, and taste, are all associated with
29. Which term matches the following definition. Definition:The main control centre for the entire nervous system, it contains the brain and the spinal cord.
30. Fluid that supplies nutrients to your cornea and lens
31. Judy is able to walk up the steps with coordination. Which part of her brain allows her to do this?
32. This region of the human eye has the highest concentration of cone cells.
33. Section of the brain that coordinates body movements, including balance.
34. Type of neuron that sends impulses to muscles and glands
35. Which area would result in a coma if damaged
36. The segments of the spinal cord are named for
37. Which section of the brain controls your breathing, swallowing, and heart rate?
38. What does the integrative function do?
39. The cells of the nerves are called
40. The smooth muscle is located
41. This cell is found in the PNS and serves to protect and cushion the cell body of the neuron.
42. The parasympathetic and sympathetic nervous systems are both part of the somatic nervous system and work opposite one another.
43. A buzzing mosquito would be a
44. How many nerves direct each hand?
45. The spinal cord is a very delicate organ. When a part of it is damaged, a person could be paralyzed.
46. The energy needed to perform a muscle contraction comes directly from:
47. Messages carried by nerve cells are called .....
48. Voluntary nervous system
49. Branching structure of a neuron that receives messages (attached to the cell body)
50. Controls the "rest and digest" response
51. Type of neuron that typically stimulates muscles or glands to cause a response
52. The time after one action potential before a second action potential can be conducted.
53. What receptor detects pain?
54. Trudi knows that there are more than one type of nerve cell in the body. One of these types helps her to see the things that are around her. What is the BEST choice for the part that transfers information to let her see things?
55. ..... occurs in the cell body
56. The emotional part of the brain is mostly controlled by which structure?
57. What protects the spinal cord from injury?
58. Your brain uses 20% of your overall blood supply.
59. What is a thermoreceptor?
60. The transparent structure behind the pupil that changes shape to help focus images on the retina.
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