Other questions in this quiz

2. what does not cause aquired impaired clotting?

  • cardiopulmonary bypass - platelet activation and degranulation occurs in the extracorporeal circuits (out of body)
  • asprin = irreversibly acetylates cyclo-oxygenase-1
  • haemophillia
  • chronic renal failure - low epo synthesis in kidney causes anaemia and high nitrogen causes uraemia

3. which fact about venous thrombosis is false?

  • commonly occurs in deep veins of legs
  • venous circulation returns to the heart via the pulmonary vein into the capillary beds of the lungs, where emboli could get stuck (pulmonary embolism)
  • inappropriate activation of coagulation in vein due to stasis, endothelial damage and hypercoagulability (Virchow's triad)

4. what is false about prothrombin G20210A allele?

  • 2-3x risk of VT
  • decreased prothrombin levels
  • autosomal dominant on ch11

5. what is incorrect about the biomarker Creatine Kinase?

  • extracellular enzyme
  • released on cellular damage
  • appears 3-6 hours after injury

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