Blood Clotting

9 Questions | Total Attempts: 1038

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Blood Clotting

HUMAN BIOLOGY AS A quiz on blood clotting and clotting factors.


Questions and Answers
  • 1. 
    What is the order of clotting?
    • A. 

      Fibrin, fibrinogen, thrombin, prothrombin, thromboplastin

    • B. 

      Prothrombin, thromboplastin, thrombin, fibrin, fibrinogen

    • C. 

      Thromboplastin, thrombin, prothrombin, fibrin, fibrinogen

    • D. 

      Thromboplastin, prothrombin, thrombin, fibrinogen, fibrin

  • 2. 
    _____ and ______ _ are both co-factors that are needed for blood clotting
  • 3. 
    The exposed tissues just below the endothelium, release an enzyme called _______.
  • 4. 
    _______ also break down and release thromboplastin.
  • 5. 
    Thromboplastin then _______ the conversion of an inactive plasma protein, prothrombin, into ________.
  • 6. 
    Thrombin is an active _______.
  • 7. 
    Thrombin then ______ a large, soluble plasma protein called ______ into smaller units.
  • 8. 
    These smaller units then join together (polymerise) to form long, _____ fibres of the protein _____.
  • 9. 
    The fibrin fibres pile up in tangles that form a mesh over the wound. Blood cells become trapped in the mesh, forming a _____ ____.