Diphtheria and Guillain-Barre Syndrome Quiz
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Questions and Answers

What is the primary cause of the neurological disorder Guillain-Barré Syndrome?

  • A bacterial infection that releases toxins damaging Schwann cells and myelin sheaths
  • An autoimmune response targeting myelin sheaths in the peripheral nervous system (correct)
  • A viral infection that triggers an inflammatory response in the brain and spinal cord
  • A genetic mutation affecting the production of myelin proteins in the central nervous system
  • What is the primary function of the resting potential across a neuron's plasma membrane?

  • To establish a concentration gradient for the active transport of nutrients into the neuron
  • To facilitate the diffusion of ions across the membrane for neurotransmitter release
  • To maintain a state of readiness for the generation and propagation of action potentials (correct)
  • To prevent the formation of synaptic connections between neurons and their targets
  • Which of the following statements accurately describes the distribution of ions across the plasma membrane at resting potential?

  • The extracellular space has a higher concentration of potassium ions than the intracellular space
  • The concentrations of sodium and potassium ions are equal on both sides of the plasma membrane
  • The extracellular space has a higher concentration of sodium ions and a lower concentration of potassium ions compared to the intracellular space (correct)
  • The intracellular space has a higher concentration of sodium ions than the extracellular space
  • What is the primary mechanism by which environmental stimuli are converted into neural signals in the nervous system?

    <p>The generation of action potentials</p> Signup and view all the answers

    Which of the following is NOT one of the five main membrane potential processes involved in neural activity?

    <p>Neurotransmitter reuptake</p> Signup and view all the answers

    What is the primary mechanism by which the bacteria that causes diphtheria leads to neurological complications?

    <p>The bacteria releases a toxin that damages the myelin sheaths produced by Schwann cells in the peripheral nervous system</p> Signup and view all the answers

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