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Kaplan Qbank USMLE



Author14 Posts
  #1

Which of the following is the most likely consequence of impaired synthesis of 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

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  #4

D

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  #5

E?

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  #6

I guess D

  #7

"IL-1, secreted by Macrophages. Stimulates T-cells, B-cells, Neutro's, Fibroblasts, and epithelial cells to grow, differentiate, and synthesize specific products"

I guess E.

C. antigen processing by Macrophages should not be impaired, as long as the Macrophages are stimulated by INF-gamma?

D. the 'function of T-cells should not be impaired, as long as there's IL-2 around?

Just my guess.... Anyone else?


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  #8

but isn't it IL1 that stimulates IL2 secretion?

  #9

D

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  #10

altered IL 1 sec. is the consequence of T lymphocyte dysfunction,not vice -versa.
i dont know the ans though.

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  #11

D. Imapired T-cell dysfunction : Because it causes:
1- T-cell stimulation and production of IL-2 is induced. Lack of this function will cause t-cells to b dysfunctional...

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  #12

i also go for D....

  #13

Its confirm.........its D only


  #14

D







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