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Nervous System Quiz 212 (60 MCQs)

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1. A change or signal in the environment that an organism can recognize and react to is called?
2. Lobe at the front of the brain responsible for problem solving, personality, and decision making.
3. What is an example of an External Stimuli?
4. Which part of the spinal cord contains cerebrospinal fluid?
5. In its resting state the cytosol of a neuron has an overall ..... charge
6. Ridges of the cerebrum are called
7. Positioned between neurons and capillaries
8. The ability to respond to a stimulus is termed:
9. This is the cerebral lobe that is found on the back of the brain.
10. Someone experiencing serve headache, nausea and vomiting might be suffering from what disorder?
11. Which of these muscles are under our control
12. Which of the following defines Axons?
13. This is the "superhighway" of the nervous system.
14. Is the brain soft and delicate
15. What two senses is the ear involved with?
16. The two main types of cells that make up the nervous system are .....
17. What is dystonia
18. Brain size has some relationship to intelligence.
19. Your brain has about..... neurons.
20. Scattered throughout the cytoplasm of membranous sacs are called?
21. You are working quietly in the library when a friend sneaks up from behind and scares you, making your heart race. At this time, your ..... nervous system would be dominant.
22. A ..... neuron may conduct impulses from your brain and spinal cord to the muscles in your legs
23. Tracts of unmyelinated fibers in the CNS
24. Receptors for taste and smell are called
25. This butterfly shaped structure has 2 hemispheres, it is white on the inside and gray on the outside. This structure controls balance and equilibrium, coordination, and makes you aware of your body position.
26. This processes information from the sense organs and controls body movements.
27. A single nerve cell sends messages to parts of the body or the brain.
28. Affected by:axon diameter, presence of insulation on axon, myelin sheath (only in vertebrates), prevents loss of energy to surrounding tissue, permits thin yet fast movement
29. What are the 3 Funky words from our Lesson?
30. An action potential generates local currents that tend to ..... the membrane immediately adjacent to the action potential.
31. These types of cells help support and maintain the "blood brain barrier" .
32. It is the organ that acts like the CPU of a computer
33. The Sensory division of the peripheral nervous system is responsible for
34. Sneezing, pupil dilation and heart rate are controlled by the .....
35. Which function is responsible for deciding if/what action is needed in response to stimuli?
36. Which Cranial Nerve is called the Glossopharyngeal Nerve?
37. Identify the neuroglia described:Myelinate and provide structural support.
38. What is the organ where water is absorbed from the digested food and returned to the bloodstream?
39. Somatic actions, such as heart rate, have to be controlled through voluntary action.
40. The nerves that coordinate messages from the brain and spine to all other parts of the body.
41. Which of the following statements about the somatic nervous system is correct?
42. A mass of white matter in the brain composed of nerve fibers connecting the right and left cerebral hemispheres
43. What happens when the nervous system gets damaged?
44. The seat of intelligence is.
45. Which part of the nervous system is composed of the brain and spinal cord?
46. What are neurotransmitters?
47. Lobe that controls hearing (sounds)
48. Neurotransmitters are released from the ends of dendrites.
49. There over a million nerve cells in the human body.
50. These glial cells, found in the CNS, are responsible for forming and circulating cerebrospinal fluid. They have cilia on their surface to help move CSF
51. Repolarization results in efflux of:
52. When nerve cells are not producing electrical responses, there is still a voltage difference across their membranes, termed the
53. Internal capsule
54. True or False:Sometimes our bodies can react faster than our brains
55. Which structure does NOT have a function in protecting the nervous system?
56. The elastic sponge-like organs are where gas exchange occurs.
57. Which is an infection of the membranes that cover the brain and spinal cord?
58. The part of the brain responsible of balance and coordination is
59. In how many parts our brain is divided?
60. This type of cell needs a cell wall and chloroplasts
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