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Kaplan Qbank USMLE



Author6 Posts
  #1

May 22, 07 - 12:13 smiling face


  #2

oops i guess it didn't post sorry! here it goes:



23 yo female has skin blistering that results from a point mutation in a single gene. epidermal cells in these patients become fragile and rupture. whic hof the following is the most likely of the genetic mutation?

a - defctive transport of vesicles from the centrosome to the cell membrane

b - disrupted assembly of keratin into intermediate filaments

c - lack of GTP required to form polymers of tubulin

d - phosphorylation of actin monomers to promote polymerization

thanks! nod


  #3

B??? NOT SURE

  #4

Yea its B

she has a mild form of epidermolysis bullosa simplex

___________________
There are many things in this world that can’t be changed no matter how hard you try. That’s why you must not hesitate when the time comes where you have to give it all you’ve got.

  #5

thanx, but how did u know wat that disease is? i've never heard of it, i noted down that i thought maybe this gal had bullous pemphigoid or pemphigus, but i've never heard of this disease, was it in ur kaplan or where did u see it?? thanks! that's wat i had put on that form, so i can't say if it's right or not, but i appreciate the help! smiling face

  #6

Its in my histology textbook.

Her case is a late manifestation. Usually the symptom is seen shortly after birth. But then again you cannot be sure without gene testing.

___________________
There are many things in this world that can’t be changed no matter how hard you try. That’s why you must not hesitate when the time comes where you have to give it all you’ve got.







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