Neurology: Myelinopathy and EMG
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Questions and Answers

What type of lesions can severely affect recruitment in an EMG?

  • Axonal (correct)
  • Demyelinating
  • Neuronal
  • Synaptic

What is the term for a condition in which the lesion primarily affects myelin or the Schwann cell?

  • Neuropathy
  • Neuritis
  • Myelinopathy (correct)
  • Axonopathy

What is the term for weakness or partial paralysis of one side of the body?

  • Paraparesis
  • Monoplegia
  • Hemiplegia
  • Hemiparesis (correct)

What is the term for a lesion that affects the spinal cord and results in ipsilateral loss of motor and proprioception, and contralateral loss of pain and temperature?

<p>Brown-Sequard Syndrome (B)</p> Signup and view all the answers

What is the term for a condition in which there is damage to the cranial nerves, resulting in weakness or paralysis of the facial muscles?

<p>Bell's Palsy (C)</p> Signup and view all the answers

Which type of pathology is characterized by axonal degeneration?

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

What is the main difference in clinical presentation between axonopathy and myelinopathy?

<p>Gradual onset and steadily progressive course in axonopathy (C)</p> Signup and view all the answers

What is the rate of regeneration in axonopathy?

<p>14 mm per day (B)</p> Signup and view all the answers

Which condition is an example of myelinopathy?

<p>Guillain-Barré syndrome (C)</p> Signup and view all the answers

Which of the following is not a characteristic of axonopathy?

<p>Acute onset and rapid course (D)</p> Signup and view all the answers

A patient presents with hemiparesis. Which of the following is the most likely diagnosis?

<p>Upper motor neuron lesion (B)</p> Signup and view all the answers

What is the primary difference between hemiplegia and hemiparesis?

<p>Hemiplegia is a complete paralysis, while hemiparesis is a partial paralysis. (D)</p> Signup and view all the answers

What is a common consequence of brain stem lesions?

<p>Cranial nerve paralysis (A)</p> Signup and view all the answers

A patient presents with a spinal cord injury. What is the most likely neurological deficit?

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

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