Question 190 · LEK · Cross-cutting topics

A simultaneous increase in prothrombin time (PT) and in activated partial thromboplastin time (APTT) is characteristic of:

  1. A. factor VIII deficiency.
  2. B. factor XIII deficiency.
  3. C. defect of the so-called final common pathway - (factors X, V, II, fibrinogen).
  4. D. hemophilia A.
  5. E. factor VII deficiency.
Hint

PT tests the extrinsic pathway and APTT the intrinsic one — which factors do both tests share?

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