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SP20 - REAL FINAL VOCAB - Part 1

Quiz by Michael Schmidt

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204 questions
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  • Q1
    The brain and spinal cord.
    central nervous system
    30s
  • Q2
    Portions of the nervous system that lies outside of the brain and spinal cord.
    peripheral nervous system
    30s
  • Q3
    Cell of the nervous system specialized to generate and transmit nerve impulses.
    neuron
    30s
  • Q4
    A neuron within the central nervous system located between two other neurons.
    interneuron
    30s
  • Q5
    Region of a nerve cell that includes the nucleus and most of the cytoplasmic mass, and from which the dendrites and axons extend.
    cell body
    30s
  • Q6
    An extension of a neuron that carries nerve impulses away from the nerve cell body.
    axon
    30s
  • Q7
    In an excitable cell such as a nerve or muscle, the membrane voltage that must be reached to trigger an action potential, or nerve impulse.
    threshold
    30s
  • Q8
    Fatty insulating sheath that surrounds the neuron axons of some types of neurons
    myelin sheath
    30s
  • Q9
    Neuron that is covered by a myelin sheath.
    myelinated neuron
    30s
  • Q10
    A chemical released by a neuron that may stimulate or inhibit other neurons or effector cells.
    neurotransmitter
    30s
  • Q11
    Cablelike bundle of many neuron axons, all wrapped together in a protective connective tissue sheath
    nerve
    30s
  • Q12
    One of the 12 pairs of peripheral nerves that originate in the brain.
    cranial nerve
    30s
  • Q13
    Any one of the 31 paired nerves that arise from the spinal cord
    spinal nerve
    30s
  • Q14
    An involuntary muscle response that is mediated at the level of the spinal cord, with little or no involvement of the brain.
    spinal reflex
    30s
  • Q15
    Plasmalike fluid that fills the cavities of the CNS and surrounds the CNS externally, protects the brain and spinal cord.
    cerebrospinal fluid
    30s

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