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Kaplan Qbank USMLE



Author11 Posts
  #1

Which of the following is the most likely consequence of impaired synthesis of interleukin-1 (IL-1)?
A ) Enhanced phagocytic activity of circulating macrophages
B ) Enhanced production of antibody by B lymphocytes
C ) Impaired antigen processing by circulating macrophages
D ) Impaired function of T lymphocytes
E ) Impaired production of leukotrienes by neutrophils



  #2

E?

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  #3

C

IL-1 is secreated by by mcrophages,monocytes,dendritic cells


  #4

d,il-1 acts as a costimulator for t helper cells




  #5

agree with D

IL-1 stimulate growth,differentiation and production the products of:

T cells, B-cells, fibroblasts, neutrophils, epithelial cells


  #6

agree with C

  #7

nadiabarati--with that reasoning, why could it not be E then? IL1 stimulates neutrophils to produce its products. thanks.

  #8

D or E?

  #9

D

  #10

C ) Impaired antigen processing by circulating macrophages

most prodused my macropahges .. some impariment there .. not enhanment

other sources include .. Endothlial cell and some epithelial cells ..


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  #11

agree with C

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