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Kaplan Qbank USMLE



Author3 Posts
  #1

Which of the following nuclei undergo transsynaptic degeneration as a
consequence of primary degeneration affecting dorsal root ganglia in
Friedreich ataxia?
A. Cerebellar dentate nucleus
B. Contralateral gracile and cuneate nuclei
C. Ipsilateral gracile and cuneate nuclei
D. Pontine nuclei
E. Vestibular nuclei


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  #2

C. Ipsilateral gracile and cuneate nuclei, appears to be the most likely answer.


  #3

yes ipsilateral gracile and cuneate nuclei because the neurons crosses after they synapse in these nuclei....answer is Cnod

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