Motor Neuron Diseases Overview
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Questions and Answers

Which type of motor neuron disease involves the dysfunction of both upper and lower motor neurons?

  • Spinal muscular atrophy
  • Post-polio syndrome
  • Amyotrophic lateral sclerosis (correct)
  • Primary lateral sclerosis

    • Which motor neuron disease primarily affects the upper motor neurons?

  • Primary lateral sclerosis (correct)
  • Hereditary spastic paraplegia
  • Post-polio syndrome
  • Spinal muscular atrophy

    • What is a common clinical feature of lower motor neuron (LMN) involvement?

  • Preserved tendon reflexes
  • Muscle cramps and fasciculations (correct)
  • Extensor plantar response
  • Spasticity and clonus

    • What is a characteristic feature of upper motor neuron (UMN) involvement?

    <p>Normal superficial abdominal reflexes</p> Signup and view all the answers

    Which classification of motor neuron disease involves both upper and lower motor neuron dysfunction?

    <p>Combined UM and LMN Involvement</p> Signup and view all the answers

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