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Kaplan Qbank USMLE



Author5 Posts
  #1

A 36-year-old farmer has been exposed to poison ivy on several
different occasions and usually develops very severe skin lesions.
He enrolls in an immunological study at an urban medical center. A
flow cytometric measurement of T cells reveals values within the
normal range. An increased serum concentration of which of the following
cytokines would decrease the likelihood of a delayed-type hypersensitivity
reaction in this individual?
A. Gamma interferon
B. IL-2
C. IL-4
D. IL-8
E. IL-10

  #2

C

IL-2 produced by Th1 cells can stimulate B cells.

But since IL 4 cause class switching i go with it.also history suggest repeated expsure ...

  #3

try once again

  #4

IL 10 DOWNREGULATES CMI

Is it E :?:

  #5

you got it asmi grin







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