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Neurology Exam: Blood Supply and Central Facial Paralysis
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Neurology Exam: Blood Supply and Central Facial Paralysis

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Questions and Answers

Which artery supplies blood to the structures in the ventromedial regions of the medulla?

  • Posterior spinal and posteroinferior cerebellar arteries (correct)
  • Posterior spinal and superior cerebellar arteries
  • Posterior spinal and posterior cerebral arteries
  • Vertebral and anterior spinal arteries
  • In central facial paralysis resulting from damage of the facial nucleus, what is affected?

  • Paralysis of ipsilateral facial muscles except the buccinator
  • Paralysis of all contralateral facial muscles except the buccinator
  • Paralysis of all ipsilateral facial muscles (correct)
  • Paralysis of all contralateral facial muscles
  • In a stroke affecting the territory of the middle cerebral artery, where is weakness and sensory loss most severe?

  • Contralateral face and arm (correct)
  • Contralateral leg
  • Ipsilateral face and arm
  • Ipsilateral leg
  • Increased muscle tone through the range of motion of the limb is termed:

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

    The clinical features described in the text are most consistent with which condition?

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

    Sudden, irregular, shock-like muscle contractions are characteristic of which neurological condition?

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

    The described neurologic syndrome could be expected from infarction in the territory of which artery?

    <p>Right posterior inferior cerebellar artery</p> Signup and view all the answers

    Hemiplegia and sensory deficit on the right side of the body may be caused by infarction in the territory of which artery?

    <p>Left middle cerebral artery</p> Signup and view all the answers

    If the oculomotor nerve is sectioned, which of the following may NOT result?

    <p>Abduction of the eyeball</p> Signup and view all the answers

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