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NBME 24 Answers

nbme24/Block 3/Question#45 (26.3 difficulty score)
A 59-year-old woman has a 10-year history of ...
Neural crest cells🔍

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submitted by neonem(556),
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yotsubato  Ugh. Of course they dont put schwann cells as a choice. So I pick oligodendrocytes like a dumbass +32  
subclaviansteele  Same^ +1  
madojo  Schwann cells = PNS Oligodendrocytes = CNS +3  
suckitnbme  NBME loves their neural crest cells +4  
wrongcareer69  How much do they pay these testwriters anyway? I can use a thesaurus too +2  
osteopathnproud  @suckitnbme they do love their neural crest cells, I have chosen neural crest cells for every single answer choice I see it in and I believe I gotten 90% of them correct, if something doesn't click or you don't know, I would keep neural crest cells as a very possible answer lol +  
faus305  AMERICA EXPLAIN +  

submitted by abhishek021196(50),

COPS: CNS = Oligodendrocytes, PNS = Schwann cells.

Neuroepithelia in neural tube—CNS neurons, ependymal cells (inner lining of ventricles, make CSF), oligodendrocytes, astrocytes. Neural crest—PNS neurons, Schwann cells, glia, melanocytes, adrenal medulla.

In CNS (including CN II), myelin is synthesized by oligodendrocytes; in PNS (including CN III-XII), myelin is synthesized by Schwann cells.

Since CP angle mass is a vestibular schwannoma, it arose from Neural Crest cells.

submitted by madojo(163),
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overa  GBM comes is an adult astrocyte tumor +  
overa  ^ this guy doesn't know how to speak English +