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Nervous System Quiz 41 (60 MCQs)

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1. What is the function of dendrites in a neuron?
2. A household plant is placed on a window sill gets direct, bright sunlight every afternoon. The plant starts to grow toward the window. What kind of response is described by this situation?
3. What role do astrocytes play in relation to blood capillaries and neurons?
4. The largest and most complex organization of the nerve tissue in the body is the .....
5. In hyperpolarization, do neurotransmitters bind to the same receptor proteins as neurotransmitters in depolarization?
6. What is the purpose of the myelin sheath?
7. Startling when touching something hot is caused by the work of which part?
8. The circulatory system uses ..... to deliver oxygen to the rest of the body.
9. The somatic nervous system is under what kind of control?
10. It is dangerous to drive on icy streets. The streets are icy now so it is dangerous to drive now.
11. If you were having trouble balancing, what part of your brain might be affected?
12. Your brain sends a message to your finger to click the mouse when you are playing a game. This is an example of .....
13. What composes the CNS?
14. Which of the following is not one of the sections of the brain stem
15. Jim is unable to move and having some respiratory distress. What might be the problem?
16. Because there are two different sets of neurons, the autonomic nervous system can quickly speed up the activities of major organs in response to a stimulus or slam on the brakes if necessary.
17. Amy was in an automobile accident. Her spinal cord was severed and she sustained damage to her brain. The medical staff at the trauma center understands that this substance might leak into surrounding tissues. What is the substance?
18. Cerebrospinal fluid is produced in
19. Which brain scan shows blood vessles in the brain?
20. When you smell something, the message from your nose to your brain travel over afferent neurons.
21. The portion of the brain that contains 75% of the neuron bodies is the
22. Covers the iris and pupil
23. What is the basic structural unit of the nervous system?
24. The nerve which extends the elbow is the
25. Voltage-gated Na+ channels open upon reaching what state?
26. Arms and legs are part of the ..... nervous system.
27. This type of response DOES NOT require you to think about it to control it. (examples= regular breathing, regular blinking)
28. Your ..... nervous system is your body's control center
29. Motor neurons carry impulses ..... the brain
30. Functions of the Cerebellum?
31. The three main parts of the brain are ....., ....., and .....
32. Along a neuron, the correct pathway for impulse conduction is:
33. The reaction to a stimulus
34. What is the chemical used by a neuron to transmit an impulse across a synapse to another nerve cell?
35. This type of reflex would involve skeletal muscles
36. What is the role of the myelin sheath in a neuron?
37. Sound is caused by .....
38. The bundle of nerves that run up and down the length of the back and transmit most messages between the body and brain is called the
39. Skeletal muscle contraction is initiated when the ..... sends a message to the muscle cell.
40. What nervous system controls the voluntary functions of the five senses?
41. Cranial nerves and spinal nerves are your peripheral nervous system.
42. Carbohydrates are broken down into ..... and their main function is .....
43. Produces calming effects and lowers blood pressure
44. Any signal molecule that binds to a receptor is called a .....
45. Which part of the nervous system includes the brain and spinal cord?
46. What structure connects the two hemispheres of the brain?
47. What's in the picture?
48. The ..... part of the autonomic nervous system is responsible for the fight or flight response.
49. Which are the nerves that make it up peripheral system?
50. What are the nerves that take messgaes away from the CNS, they tell the muscles to move, they take messages to the glands and they tell gland like the sweat gland to make sweat.
51. Which type of neuron is most common in structure and includes motor & association neurons?
52. Which system works with the skeletal system to move the body?
53. This type of glia cell produces myelin for cells in the brain.
54. Withdrawal reflex and knee-jerk reflex are controlled by the
55. Part of the brain that controls coordination in movement
56. What SUFFX goes with the meaning "to seize" ?
57. All sensory neurons entering the spinal cord
58. The effectors of the somatic nervous system are ....., and the effectors of the autonomic nervous system are .....
59. A person accidently touches a hot plate. What makes the person to move his fore limbaway from the hot plate?
60. Which of these is NOT an example of a sense organ?
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