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Kaplan Qbank USMLE



Author5 Posts
  #1

A 34-year-old baker suffers from a lesion as indicated in the diagram. Which of the following symptoms would you expect upon neurologic examination?



A. Bilateral extensor plantar responses
B. Bilateral flaccid paralysis below the lesion
C. Bilateral loss of myotactic reflexes below the level of the lesion
D. Bilateral loss of pain and temperature perception at the level of the lesion
E. Bilateral loss of pain and temperature perception below the lesion


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  #2

d

  #3

d, bilat loss of pain and temp at the level of the lesion, and contralat below level of lesion.

  #4

agree D. the point of the Q. is that Spinothalamics cross immediately at their own level

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  #5

yes the answer is D.The point of the q is syringomyelia affect the crossing fibers first.i.e bilateral loss of pain and temp will happen at the level of the lesion.Eventually,as the lesion get bigger, E will happen too.But the initilal sign is at the level of the lesion.

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