Autonomic Nervous System Basics
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Questions and Answers

What is the most common type of neuron found in the nervous system?

  • Sensory neuron
  • Bipolar neuron
  • Multipolar neuron (correct)
  • Unipolar neuron
  • Which component is primarily found in white matter of the nervous system?

  • Dendrites
  • Axon terminals
  • Myelinated axons (correct)
  • Neuronal cell bodies
  • What determines the resting membrane potential of a non-conducting neuron?

  • High concentration of anions outside the cell
  • Inactivity of Na+/K+ pumps
  • Equal distribution of ions across the plasma membrane
  • Selective permeability of the neuron's membrane to Na+ and K+ ions (correct)
  • Which factor affects the propagation speed of action potentials the most?

    <p>Amount of myelination</p> Signup and view all the answers

    Where are unipolar neurons primarily found in the body?

    <p>Retina of the eye</p> Signup and view all the answers

    Which part of the neuron extends from the cell body and then splits into central and peripheral branches?

    <p>Axon</p> Signup and view all the answers

    What is the primary function of chemical-gated channels in neurons?

    <p>Controlling ion flow based on neurotransmitter presence</p> Signup and view all the answers

    'Gray Matter' in the nervous system contains which of the following components?

    <p>Neuronal cell bodies</p> Signup and view all the answers

    'White Matter' is mainly composed of which structure?

    <p>'Myelinated Axons'</p> Signup and view all the answers

    Which process extends from opposite ends of the cell body in neurons?

    <p>Axon and Dendrite</p> Signup and view all the answers

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