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Kaplan Qbank USMLE



Author8 Posts
  #1

Which of the following statements about interleukin 2 (IL-2) is incorrect?

A) It is produced primarily by activated macrophages.
B) It is produced by CD4+ T cells.
C) It can induce the proliferation of CD4+ T cells.
D) It binds to a specific receptor on CD4+ T cells.
E) It can activate CD8+ T cells in the presence of antigen.

___________________
FORUM RULES-- Those who believe in telekinesis, raise my hand. I get enough exercise just by pushing my luck --P4U World.." The pure and simple truth is rarely pure and never simple."

  #2

A

  #3

produced only by TH cells....
acts on antigen primed TH cells and CTLs ...
causes proliferation of Tcells in PERIPHERY...
no effect on lymphopoiesis...
what else.....
produced by T cells in an autocrine fashion....
T cell expresses receptor molecules for this factor...

plz add to this if i have missed something.....will be a great help to all

  #4

i forgot....answer is A

  #5

a

  #6

A

  #7

nodnod

___________________
FORUM RULES-- Those who believe in telekinesis, raise my hand. I get enough exercise just by pushing my luck --P4U World.." The pure and simple truth is rarely pure and never simple."

  #8

A

IL-2 is produced almost exclusively by activated T cells.


___________________
FORUM RULES-- Those who believe in telekinesis, raise my hand. I get enough exercise just by pushing my luck --P4U World.." The pure and simple truth is rarely pure and never simple."







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