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 Q intrafusal fibers  



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Author5 Posts
  #1

45 year old man with a history of spasticity and cerebral infarction presents for a checkup. The physician performs physical exam and documents his findings of UMN signs including hyperreflexia. in initiating the reflex arc in this patient, which of the followin structures sense tension within the muscle?


A alpha motor neurone
B Extra fusal fibers
C Intra fusal fibers
D Golgi tendon apparatus
E Sarcolemma




  #2

D


  #3

come on this one was easy grin


  #4

C!!!


  #5

yeah i thought it was D too...doesnt golgi tendon monitor muscle tension whereas intrafusal fibers monitors muscle stretch.





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