Neurodevelopmental Disorders

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1. Which of these statements is true?

  • In spina bifida occulta the dura is not defective
  • Myelomeningocoele is usually unproblematic but may cause tethered cord
  • In myelocoele the meninges are intact
  • Spina bifida occulta often causes meningitis of infants
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Other questions in this quiz

2. Duane's strabismus is caused by lack of the nucleus of what cranial nerve?

  • 3
  • 4
  • 6
  • 5

3. Which of these statements is true?

  • Division of the brain usually occurs at 15 weeks
  • Lobar holoprosencephaly may cause cyclopia
  • Chiari malformations are caused by the reduced formation of the posterior fossa
  • Alobar holoprosencephaly is the least severe form

4. Which of these is x-linked recessive?

  • Duchenne muscular dystrophy
  • Friedrich's ataxia
  • Huntington's
  • Dopa-responsive dystonia

5. Which of these acts to allow some neurons to persist while others undergo programmed cell death?

  • Retinoic acid
  • Noggin
  • Neural growth factor
  • Sonic hedgehog

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