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Complement System and Nervous System Damage Quiz

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Complement System and Nervous System Damage Quiz

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Questions and Answers

What is the primary cause of damage to myelin or axons in Guillain-Barre Syndrome?

Inflammation caused by the complement system

Secondary damage due to inflammation

Degeneration of the neuronal membrane

Direct attack by the immune system on Schwann cells (correct)

Which area of the nerve is primarily affected in Guillain-Barre Syndrome?

Nodes of Ranvier (correct)

Spinal roots

Axon terminals close to muscle fibers

Schwann cells

What is one of the potential outcomes of axonal damage and degeneration in Guillain-Barre Syndrome?

Slowed conduction velocity (correct)

Reduced inflammation

Increased action potential propagation

Enhanced conduction velocity

What is the typical sequence of conduction block presentation in Guillain-Barre Syndrome?

Partial block initially, then complete conduction block by 4 weeks Signup and view all the answers

What is the most common nerve affected in Guillain-Barre Syndrome?

Peroneal nerve Signup and view all the answers

What is the suspected cause of Guillain-Barre Syndrome based on current understanding?

Autoimmune response to infection Signup and view all the answers

Which component of the immune system plays a significant role in causing damage in Guillain-Barre Syndrome?

Complement system molecules and actions Signup and view all the answers

What is the potential consequence of a complete conduction block in Guillain-Barre Syndrome?

'Dead areas' in muscle responsiveness Signup and view all the answers

What characterizes the initial presentation of conduction velocity in Guillain-Barre Syndrome?

Partial block followed by complete conduction block Signup and view all the answers

Which part of the nervous system is primarily targeted by the immune response in Guillain-Barre Syndrome?

Peripheral nerves including myelin and axons Signup and view all the answers