Neurophysiology Practice Quiz

10 Questions | Total Attempts: 11204

SettingsSettingsSettings
Please wait...
Neurophysiology Practice Quiz

If you can do this quiz, you can do the real one!


Questions and Answers
  • 1. 
    What kind of neurons carry signals towards the brain?
    • A. 

      Interneurons

    • B. 

      Motor neurons

    • C. 

      Sensory neurons

    • D. 

      Multipolar neurons

  • 2. 
    The part of the neuron that sends the signal to the next neuron is called the:
    • A. 

      Soma

    • B. 

      Axon

    • C. 

      Dendrites

    • D. 

      Microtubules

  • 3. 
    Which neuroglia are responsible for forming the myelin sheath around axons in the peripheral nervous system?
    • A. 

      Microglia

    • B. 

      Astrocytes

    • C. 

      Schwann cells

    • D. 

      Oligodendrocytes

  • 4. 
    The resting membrane potential of a neuron is closer to:
    • A. 

      -65

    • B. 

      +40

    • C. 

      0

    • D. 

      -85

  • 5. 
    If Na+ channels opened on a cell, immediately:  
    • A. 

      K+ ions would rush out

    • B. 

      K+ ions would rush in

    • C. 

      Na+ ions would rush out

    • D. 

      Na+ ions would rush in

  • 6. 
    When the membrane is more negative than the resting potential it's called:  
    • A. 

      Depolarization

    • B. 

      Hyperpolarization

    • C. 

      EPSP

    • D. 

      IPSP

  • 7. 
    Astrocytes:
    • A. 

      Myelinate PNS axons

    • B. 

      Are involved in brain immune function

    • C. 

      Myelinate CNS axons

    • D. 

      Provide physical support to neurons

  • 8. 
    Which is true about action potentials?
    • A. 

      The more depolarization, the bigger the action potential

    • B. 

      EPSP's can summate to produce action potentials

    • C. 

      Conduction velocity decreases with myelin

    • D. 

      The refractory period increases the firing rate of an action potential

  • 9. 
    Local potentials that depolarize the cell are called:
    • A. 

      EPSP's

    • B. 

      IPSP's

    • C. 

      Action potentials

    • D. 

      Hyperpolarizations

  • 10. 
    Oligodendrocytes:
    • A. 

      Myelinate axons in the brain

    • B. 

      Myelinate multiple axons at once

    • C. 

      Provide physical support

    • D. 

      All of the above

Back to Top Back to top