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

    Which type of pathology is characterized by axonal degeneration?

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

    What is the rate of regeneration in axonopathy?

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

    Which condition is an example of myelinopathy?

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

    Which of the following is not a characteristic of axonopathy?

    <p>Acute onset and rapid course</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</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.</p> Signup and view all the answers

    What is a common consequence of brain stem lesions?

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

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

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

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