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Kaplan Qbank USMLE



Author2 Posts
  #1

50. A 10-year-old girl is brought to the emergency department 1 hour after she fell from her bicycle. Physical examination shows a 2-cm, deep laceration over the left forearm. As a result of the tissue trauma, which of the following plasma proteins most likely bound clotting factor XII (Hageman factor) and kininogen, allowing autocatalytic amplification of the inflammatory system in this patient?
A Bradykinin
B Fibrinogen
C Immunoglobulin
D Kallikrein
E α-Macroglobulin
F Plasmin
G Thrombin
H von Willebrand factor


  #2

D








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