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Diphtheria, Guillain-Barre Syndrome, and Nerve Impulses Quiz
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Diphtheria, Guillain-Barre Syndrome, and Nerve Impulses Quiz

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Questions and Answers

Which of the following is NOT a cause or symptom of diphtheria?

  • Infects the respiratory tract
  • Caused by a bacteria
  • Leads to paralysis of the central nervous system (correct)
  • Relaxes toxin that damages myelin sheaths of the peripheral nervous system
  • What is the primary mechanism behind Guillain-Barré syndrome?

  • Genetic disorder affecting Schwann cell function
  • Autoimmune response damaging myelin sheaths in the PNS (correct)
  • Bacterial infection of the spinal cord
  • Viral infection causing demyelination of neurons
  • What does the statement 'Environmental stimuli are transduced into the common information currency of nerve impulses' refer to?

  • Action potentials (correct)
  • Information processing
  • Synaptic activity
  • Graded potentials
  • Which of the following is NOT one of the five main membrane potential processes involved in neural activity?

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

    What is a transmembrane potential?

    <p>The potential difference across a plasma membrane due to ion distribution</p> Signup and view all the answers

    At resting potential, which of the following statements is true about the charge distribution across the plasma membrane?

    <p>The outside is more positively charged than the inside</p> Signup and view all the answers

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