Guillain-Barré Syndrome (GBS)

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Questions and Answers

What is the function of myelin in the nervous system?

  • Conducting nerve signals directly
  • Causing inflammation and destruction
  • Producing antibodies to fight infection
  • Providing insulation and speeding the conduction of impulses (correct)

Which nerve is responsible for demyelination in the bulbar muscle weakness?

  • Glossopharyngeal nerve (correct)
  • Vagus nerve
  • Phrenic nerve
  • Trigeminal nerve

What is the primary concern in the management of GBS?

  • Preventing cognitive dysfunction
  • Treating viral infections
  • Managing autonomic dysfunction
  • Supporting pulmonary function (correct)

What is the purpose of therapeutic plasma exchange and IVIG in treating GBS?

<p>Decreasing circulating antibody levels (C)</p> Signup and view all the answers

What is the significance of changes in vital capacity and negative inspiratory force in GBS?

<p>Identifying impending neuromuscular respiratory failure (A)</p> Signup and view all the answers

What is the characteristic presentation of GBS?

<p>Symmetric weakness, diminished reflexes, and upward progression of motor weakness (B)</p> Signup and view all the answers

What is the result of the autoimmune attack on the peripheral nerve myelin in Guillain-Barré Syndrome?

<p>Acute, rapid segmental demyelination of peripheral nerves (D)</p> Signup and view all the answers

What percentage of Guillain-Barré Syndrome cases are associated with an antecedent event?

<p>60-70% (B)</p> Signup and view all the answers

Which of the following infectious agents is most commonly associated with the development of Guillain-Barré Syndrome?

<p>Campylobacter jejuni (D)</p> Signup and view all the answers

What is the most accepted theory of the cause of Guillain-Barré Syndrome?

<p>Molecular mimicry (B)</p> Signup and view all the answers

What is the exact location of the immune attack within the peripheral nervous system?

<p>Ganglioside GM1b (A)</p> Signup and view all the answers

What are the symptoms of Guillain-Barré Syndrome?

<p>Ascending weakness, paresthesias, and dyskinesia (B)</p> Signup and view all the answers

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