PRACTICE EXAM
ANAT/PHYS TEST CHAPTER 8 NERVOUS SYSTEM
1. Which part of a neuron conducts impulses away from the cell body?
a. nissl body b. the dendrite c. mithochondria d. axon
2. Which is the largest part of the brain?
a. cerebellum
b. midbrain c. diencephalon
d. cerebrum
3. The small space between two neurons or neuron and muscle or gland is called what?
a. node of ranvier b. synapse c. vesicle d. ion channel
4. Myel/o is the root word for what?
a. brain
b. nerve
c. spinal cord
5. A neuron has how many general parts?
a. 1
b. 2
c. 3
d. sleep
d. 4
6. This bulb is larger in sheep than in us and is the smell center of the brain. What is it?
a. optic
b. oculomotor
c. olfactory
d. gnostic
7. What is the name of the white matter that connects the two hemispheres of the brain?
a. cerebral cortex
b. thalamus
c. corpus callosum
d. sulcus
8. The medical term afferent means to carry where?
a. away
b. towards
c. on
d. over
9. The sensory nerves which bone, muscle, and skin are a part of are what type of nerves?
a. cranial b. autonomic c. somatic d. neuroglia
10. K+ outflow would begin which cycle of the nerve impulse?
a. depolarization b. polarization c. repolarization d. sodium-potassium pump
11. A shallow depression or groove in the cerebrum is called what?
a. cerebral cortex b. fissure c. sulcus d. pons
12. If a person had quadraplegia, they would be paralyzed in what limbs?
a. their arms
b. their legs
c. no where, -plegia means pleasure
d. both arms and legs
13. The term somatic refers to what?
a. sleeping b. body c. coma-like d. spine
14. Which cells help to circulate the CSF in the CNS?
a. Schwann cell
b. oligodendrocyte
c. microglia
15. Which of these are support cells for the neuron?
a. axon
b. dendrites
c. neuroglia
d. synapse
16. The term efferent means to carry where?
a. away
b. towards
c. on
d. over
d. ependymal
17. Which is the neuroglial cell that provides a “blood-brain” barrier in the CNS?
a. astrocyte
b. ependymal
c. microglia
d. Schwann
18. Which part of the neuron is responsible for protein making proteins and replacing cell parts?
a. myelin b. axon c. dendrite d. node of Ranvier e. Nissl body
19. CSF is located where?
a. in the brain stem
b. in the dura mater
c. in the pia mater d. in the ventricles of the brain
20. The CNS involves these two parts
a. brain and peripheral nerves
b. brain and spinal cord
c. spinal cord and peripheral nerves d. autonomic and motor nerves
21. In what part of the neuron does ion exchange take place for nerve conduction?
a. dendrites
b. cell body
c. nissl bodies
d. axon and axon terminals
22. Efferent neurons are also known as what?
a. association neurons b. sensory neurons
c. motor neurons
d. interneurons
23. The sympathetic part of the autonomic nervous system works when you are doing what?
a. relaxed
b. sleeping
c. under stress
d. using skeletal muscles
24. Which of the following is important in restoring the resting membrane potential of the
neuron? (bouncers & police)
a. acetylcholine b. Nissil bodies c. neurolemma d. sodium-potassium pump
25. During nerve impulse conduction, Depolarization begins when what happens?
a. Na+ leaves the cell b. Na+ enters the cell c. K+ enters the cell d. K+ leaves
26. The medical term hydrocephalus means what?
a. on the brain
b. water on the brain
c. brain headache
d. over the brain
27. Repolarization begins when what happens during nerve impulse conduction?
a. Na+ leaves the cell b. Na+ enters the cell c. K+ enters the cell d. K+ leaves the cell
28. The autonomic nervous system is what?
a. voluntary b. involuntary c. the sensory division
d. involves skeletal muscles
29. Which of the following is continuous with the spinal column?
a. cerebrum
b. cerebellum c. diencephalon
d. brain stem
30. Which lobe of the brain is where impulses related to hearing are integrated?
a. frontal
b. parietal
c. temporal
d. occipital
31. Between Schwann cells there are gaps in the myelin sheath called what?
a. neurolemma b. Nissl bodies c. nodes of Ranvier d. neurofibrils e. spines
32. Meningitis means that what is happening to the coverings of the brain?
a. virus invading b. destruction of c. inflammation d. pertaining to
33. Which is the root word that means feeling or sensation?
a. esthesi/o
b. encephal/o
c. kino
d. ment/o
34. What jump across the synapse to continue the nerve impulse or create a response to a
stimulus? (these were in the skittles)
a. neurotransmitters
b. Schawann cells c. myelin d. negative proteins
35. What part of the reflex arc carries out the action or response? (Step 5)
a. receptor
b. sensory neuron c. motor neuron
d. effector
e. integrating center
36. Which part of the nervous system contains the spinal nerves and cranial nerves?
a. peripheral PNS
b. central CNS
c. autonomic
d. voluntary
37. Where is the cerebellum located in a human brain?
a. posterior b. lateral
c. medial
d. inferior
38. What substance speeds up nerve conduction around and within Schwann cells?
a. neurotransmitters
b. nissl bodies c. myelin d. encephalopathy
39. Which term refers to “within the skull”?
a. intracranial b.intercranial c. craniotomy
d. intracerebral
40. CSF is the abbreviation for what?
a. central spinal fibers b. control service first c. cerebrospinal fluid d. control self first
41. If you have nerve root disease, you would have what?
a. hemiparesis
b. dysphasia
c. hydrocephalus
d. radiculopathy
42. The white matter in the CNS appears WHITE because
a. it has bipolar neurons
b. it has a lot of neurons
c. it is myelinated
d. it is not myelinated
43. This works as relay station for the brain
a. pons
b. medulla oblongata c. midbrain
44. What is sometimes called the “little brain’?
a. pons
b. cerebrum c. cerebellum
d. all of the answers
d. midbrain
45. If you had somnambulism, you would what?
a. fall asleep often b. be addicted to drugs c. walk in your sleep d. not be able to sleep at night
46. Which word is the inflammation of many nerves?
a. megalomania
b. polyneuritis
c. gnostic
d. narcolepsy
47. Sensory neurons are also known as these
a. afferent
b. efferent c. motor d. descending
49 The “tough mother” meninge is also known as
a. dura mater
b. pia mater
c. arachnoid
d. epidural
50. The gray matter in the cerebrum is called what?
a. corpus callosum
b. thalamus
c. sulcus
d. cerebral cortex
USE THESE WORDS TO ANSWER 51-56
a. polarization b. depolarization (RMP) c. repolarization, d. hyperpolarization, e. sodium-potassium
pump (Na+K+)
51. When K+(dudes) leaves the cell.
52. Restores resting membrane potential. (police and bouncers)
53. When the charge inside the cell is -70.
54. When Na+ enters the cell. (guys come in)
55. When excess K+ leaves the cell.
56. When a cell can receive an impulse.
USE THESE WORDS FOR 57-60
a. continuous
57.
58.
59.
60.
b. saltatory
c. ion exchange
Nerve impulse conduction.
Nerve impulse travels slower because there is no myelin.
Nerve impulse travels faster because there is myelin present.
Embedded in the plasma membrane
MATCHING -Put these answers on back of Scantron.
QUESTIONS.
PUT THESE NUMBERS
FOR ANSWERS:
1. anesthesia
61. nerve pain
2. microglial
62. organs
3. somatic
63. not able to speak well
4. myelography
64. specialized nerve cell of CNS that makes myelin
5. oligodendrocyte
65. picture of the spinal cord
6. neuralgia
66. pertaining to the body
7. intracranial
67. without feeling or sensation
8. cerebrospinal
68. small support cell in CNS—clean up debris & excess ions
9. poliomyelitis
69. within the skull
10. dysphasia
70. pertaining to the spine and cerebrum
11. organs
71. inflammation of the gray matter of the spinal cord
BONUS: Write the letter AND number of the correct answer on the completion section.
At what age do the neurons in humans lose their ability to undergo mitosis?
a. 18 years
b. 2 years c. 6 months d. 9 months
e. 1 year
List each lobe of the brain and one or more things that each lobe does.