Nervous System Quiz 107 (60 MCQs)

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1. Voltage regulated channels can be found
2. Polio starts with the polio virus multiplying in the lining of the throat and stomach. The symptoms are muscle pain, and difficulty in breathing and swallowing. One leg or arm may become weaker. In serious cases, the nerve cells may be destroyed by the infection and the victim becomes paralyzed. Sometimes, the affected limbs do not return to normal anymore.
3. What is considered the command center of the nervous system?
4. How many neurons are in the brain?
5. Found between the arachnoid layer and pia matter that allows the brain to float.
6. Which is not part of the brainstem?
7. ..... are accessory cell types that can provide support and nourishment to neurons.
8. Conelike region of cell body where axon is attached
9. Where are nerve cells found?
10. Neuronal pools are made of .....
11. What is true about both sensory & motor neurons?
12. A nerve impulse travels to a muscle or internal organ through
13. A nerve fiber; it conducts a nerve impulse away from the neuron cell body
14. What is the correct sequence of terms used in describing the brain's ability to respond to a stimulus?
15. What part of a neuron attaches to another neuron?
16. Involuntary actions are under the control of .....
17. Which system carries messages from the CNS to the PNS?
18. This brain structure contains the Thalamus and Hypothalamus of the cerebrum.
19. How many parts does the brain have?
20. Thin-walled blood vessels that are less elastic than arteries and located closer tot he skin surface are .....
21. What part of the brain controls your vision?
22. What are the first channels to open when a neuron is depolarized?
23. Back of the eye, takes light and changes it to nerve signals
24. What is the cranium?
25. Which of the following is a symptom of early Alzheimer's
26. Which lobe controls sense of hearing and memories?
27. ..... are deep grooves in the cerebral cortex that divide the brain into lobes.
28. Which comes first in the nervous system .....
29. Occurs when the soft tissue of the brain is bruised as it collides against the skull.
30. What are neurofibrils?
31. What does the P in PNS stand for?
32. What are the main divisions of the ANS?i) Sympathetic divisionii) Parasympathetic divisioniii) Somatic division
33. All sensory neurons are
34. The ..... is the specialized region of the sarcolemma containing ACh receptors
35. Acetylcholine & dopamine are examples of
36. If the ventral root is damaged, which of the following consequences is most likely?
37. Ben was enjoying a walk in the woods on a beautiful Saturday afternoon. As he went around a curve, he noticed a bear walking toward him. Immediately his pupils dilated, he began to perspire, and his heart accelerated. These changes are most closely related to the function of the
38. Which of these is not a reflex response?
39. What response in a neuron causes the K to flow out of the cell and decrease the charge of the membrane potential?
40. Any message carried by a neuron is called a(n)
41. Show me your teeth
42. Localized collection of neuron cell bodies in the peripheral nervous system.
43. Irregular heart beat
44. Combining form that means dura mater
45. What best describes bipolar neurons?
46. What type of neurons send signals between your sensory neurons and your motor neurons?
47. Compared to unmyleninated axons, myelinated axons conduct impulses
48. What are the gaps between each Schwann cell called?
49. The cerebral cortex is made of
50. Facial Expression, crying, taste, salivation
51. The nerves that run through your arms and fingers are part of the .....
52. Made up of frontal, temporal, parietal and occipital
53. ..... send signals away from neurons whereas ..... receive signals from other neurons.
54. What gas do plants take in that animal/humans breathe out?
55. The Nervous System consist of
56. Which Cranial Nerve is called the Accessory Nerve?
57. What is the main function of the peripheral nervous system?
58. Part of the brain that controls voluntary functions such as memory, speech, thinking, sight, smelling. This is the THINKING part of the brain.
59. What are nerve cells that carry impulses to the Central Nervous Sytem?
60. Eustachian Tube shown by number .....