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NBME 19 Answers

nbme19/Block 1/Question#40 (3.2 difficulty score)
Immediately after cerebral infarction, a ...
A (Broca's area)🔍
tags:

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 +1 
submitted by drdoom(681),
  • A: Broca’s
  • B: Premotor
  • C: Motor
  • D: Somatosensory

Damage to C (motor) wouldn’t explain fluency problems. Fluency (=Latin flow; the ease with which the brain formulates words). Slurred speech is your brain knowing and formulating the words easy but your mouth muscles not co-operating!

So, dis-fluency ≠ slurred speech. This gentleman is dis-fluent in the same way you’re dis-fluent when you visit Paris: your brain struggles to formulate French words in the first place! The only lesion that explains that in your native tongue is a lesion to the language synthesis center = Broca’s area.




 +0 
submitted by hungrybox(822),

Question figure




 +0 
submitted by hungrybox(822),

I put C because I thought that the weakness of the lower 2/3 face meant there was something more going on than just speech problems from Broca's aphasia.

Can anyone tell me why I'm wrong?

drdoom  A: Broca’s +  
drdoom  B: Premotor +  
drdoom  C: Motor +  
drdoom  D: Somatosensory +  
drdoom  Damage to C (motor) wouldn’t explain *fluency* problems. Fluency (=Latin ``flow``; the ease with which the brain formulates words). Slurred speech is your brain knowing and formulating the words easy but your mouth muscles not co-operating! +  
drdoom  So, dis-fluency ≠ slurred speech. This gentleman is dis-fluent in the same way you’re dis-fluent when you visit Paris: your brain struggles to formulate French words in the first place! The only lesion that explains that in your native tongue is a lesion to the language synthesis center = Broca’s area. +