Nervous System Quiz 322 (60 MCQs)

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1. What are meninges?
2. The organs in the nervous system are .....
3. What is the name of the insulating layer that surrounds the axon of a neuron?
4. Carry information from sense organs to the spinal cord and the brain.
5. Unmyelinated fibers are called ..... matter whereas myelinated fibers are called ..... matter
6. What is an electrical charge across the membrane of a resting neuron?
7. They slow heartbeat.
8. Neurotransmitters are stored in which structure of the neuron?
9. Which part of the brain stem is responsible for relaying messages and regulating breathing?
10. Phagocytize bacterial cells
11. ..... is an inflammation of the brain coverings.
12. How can the speed of action potential propagation (i.e. sending) be increased?
13. This contains a cell's DNA.
14. When a person is frightened, adrenalin is released by the adrenal glands. What are the effects of the adrenalin?
15. ..... are branched extensions off soma that receive chemical signals from a sensory cell or another neuron
16. A depolarization is when the inside of a neuron becomes ..... the resting membrane potential.
17. True or False-The fight-or-flight response causes most of your vital signs such as blood pressure, heart rate, and respiratory rate to increase.
18. Which type of cell is being described?-Line cerebrospinal fluid-filled CNS cavities.-The cilia found on these squamous or columnar cells circulate the cerebrospinal fluid that cushions the brain and spinal cord.-Name means" wrapping garment"
19. Which of the following is NOT true about taste buds?
20. Caidin accidentally touches a hot surface then quickly pulls his hand away. Which two systems were involved with his action and reaction?
21. The difference between the brain and the spinal cord
22. The ..... is the colorful muscle of the eye that can widen and shrink the pupil
23. A condition where your bones can become weak and break easily is called .....
24. The neurons of chimpanzees have more myelin on their axons than human neurons. This makes their reaction time .....
25. A portion of the brainstem that helps regulate breathing.
26. This neurotransmitter is linked to feelings of pleasure, euphoria, and reward.
27. True or False. An overproduction or underproduction of certain neurotransmitters can affect a person's mood and quality of life.
28. To record the activity of the brain and the rhythm of changes in it
29. Area of gray matter on the back portion of the spinal cord
30. What nerve supplies motor fibers to the lateral rectus muscle which rolls the eye laterally?
31. Signals between neurons are transmitted
32. Things that detect things such as taste, touch, smells, sounds, and sights.
33. What is the term for cellular respiration that occurs without oxygen present?
34. The Central Nervous System ..... from all over the body.
35. What receptor allows you to see a rainbow?
36. Which ventricle is related to the Thalamus?
37. Which of the following does not belong to basal ganglia?
38. Semipermeable membrane, surrounding a cell that controls what goes into and out of the cell
39. What coordinates voluntary muscle movements?
40. Which division of the PNS is responsible for the "fight or flight" response?
41. The part of the brain that coordinates voluntary muscle movement is the
42. PART OF THE BRAIN RESPONSIBLE FOR HEARING AND LONG TERM MEMORY
43. A chemical that transmits a message from one neuron to another
44. What part of the ear is #4 pointing to?
45. Does gray or white matter have a myelin sheath
46. An event in the external or internal environment that registers as activity in a sensory neuron.
47. The section that carries impulses from a sense receptor to the brain or spinal cord is a .....
48. Which are factors that help speed up the nerve impulse?
49. It protects the spinal cord
50. The organ is use to think is .....
51. Cranial nerve Vestibulocochlear VIII functions in:
52. Premature closing of the skull bones
53. The system that controls your involuntary muscle movements and internal organs is the .....
54. In addition to sodium and potassium, what other ion is required for neurons to communicate?
55. Is the pons responsible for conducing messages to the other parts of the brain?
56. Shark swims toward the direction of blood.
57. The Ulnar nerve comes off of which spinal roots
58. What would happen if your spinal cord was severed?
59. What word matches the definition? An action or movement of the body that happens automatically as a reaction to something.
60. The neurons that conduct impulses to the spinal cord and brain are the: