Bioscience II: Test II

88 Questions | Total Attempts: 229

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Hemostasis Quizzes & Trivia

A review of the material for Bioscience test 2. Covers hemostasis and hepatic physiology.


Questions and Answers
  • 1. 
    Hemostasis is not dependent on which of the following?
    • A. 

      Enzyme release from endothelium

    • B. 

      Coagulation of blood

    • C. 

      Vascular spasm

    • D. 

      Formation of platelet plug

  • 2. 
    In hemostasis, ________ occurs several minutes after the other two processes.
    • A. 

      Vascular spasm

    • B. 

      Coagulation of blood

    • C. 

      Formation of platelet plug

  • 3. 
    Primary hemostasis is also known as….
    • A. 

      Enzyme release from endothelium

    • B. 

      Coagulation of blood

    • C. 

      Formation of platelet plug

    • D. 

      Vascular spasm

  • 4. 
    Secondary hemostasis is also known as…
    • A. 

      Enzyme release from endothelium

    • B. 

      Formation of platelet plug

    • C. 

      Vascular spasm

    • D. 

      Coagulation of blood

  • 5. 
    Which layer of blood vessel lining synthesizes prostaglandins?
    • A. 

      Endothelial Lining

    • B. 

      Adventitia

    • C. 

      Muscular Layer

    • D. 

      Subendothelial Layer

  • 6. 
    The endothelial lining of the blood vessel wall promotes anticoagulant activity.
    • A. 

      True

    • B. 

      False

  • 7. 
    Which layer of blood vessel lining activates hemostasis?               
    • A. 

      Endothelial Lining

    • B. 

      Adventitia

    • C. 

      Muscular Layer

    • D. 

      Subendothelial Layer

  • 8. 
    Which layer of the blood vessel lining contains fibronectin?
    • A. 

      Endothelial Lining

    • B. 

      Adventitia

    • C. 

      Muscular Layer

    • D. 

      Subendothelial Layer

  • 9. 
    Which layer of blood vessel lining is primarily responsible for blood flow though the vessel?
    • A. 

      Endothelial Lining

    • B. 

      Adventitia

    • C. 

      Muscular Layer

    • D. 

      Subendothelial Layer

  • 10. 
    The outermost layer of the blood vessel lining is known as….
    • A. 

      Endothelial Lining

    • B. 

      Adventitia

    • C. 

      Muscular Layer

    • D. 

      Subendothelial Layer

  • 11. 
    Injury to the muscular layer of the blood vessel will have what result?
    • A. 

      Release of Von Willebrand Factor (Factor VII) from muscular layer

    • B. 

      Acute vascular contraction of muscular layer to lessen blood flow

    • C. 

      Release of Prostacyclin 2 to inihibit platelet aggregation

    • D. 

      Acute vascular dilation to increase blood flow and delivery of platelets to injured site.

  • 12. 
    Which of the following is not of the functions of platelets?
    • A. 

      Morphologic aggregation

    • B. 

      Secretion of items such as factors V and XIII

    • C. 

      Activation of vascular spasm

    • D. 

      Plug Formation

  • 13. 
    The intrinsic pathway is initiated with the activation of …
    • A. 

      Factor III

    • B. 

      Thromboplastin

    • C. 

      Von Willebrand Factor

    • D. 

      Factor XII

  • 14. 
    The extrinsic pathway is activated with the release of….
    • A. 

      Thromboplastin

    • B. 

      Prothrombin

    • C. 

      Factor XI

    • D. 

      Factor VII

  • 15. 
    Which Factors are involved in the extrinsic pathway?
    • A. 

      Factors XII, XI, IX, VIII

    • B. 

      Factors III, VII

    • C. 

      Factors V, X, I, II, XIII

    • D. 

      None of the above is correct

  • 16. 
    Which Factors are involved in the intrinsic pathway?
    • A. 

      Factors III, VII

    • B. 

      Factors V, X, I, II, XIII

    • C. 

      Factors XII, XI, IX, VIII

    • D. 

      None of the above is correct

  • 17. 
    The final phase of blood clotting is the interaction of _____ with _______.
    • A. 

      VonWillebrand Factor, Factor VIII

    • B. 

      Plasmin, Fibrin

    • C. 

      Factor XIII, Fibrin

    • D. 

      Thrombin, Fibrinogen

  • 18. 
    The fibrinolytic process is normally triggered by…
    • A. 

      Fibrin

    • B. 

      Plasmin

    • C. 

      Endothelial cells

    • D. 

      Thrombaxane

  • 19. 
    An excess of Plasminogen Activator Inhibitor I (PAI-1) would likely result in…
    • A. 

      Excessive bleeding

    • B. 

      Excessive thrombus formation

    • C. 

      Excessive vasodilation

    • D. 

      All the above

  • 20. 
    Sepsis is likely to activate which of the coagulation pathways?
    • A. 

      Extrinsic Pathway

    • B. 

      Fibrinolytic pathway

    • C. 

      Intrinsic pathway

    • D. 

      Common Pathway

  • 21. 
    While prepping dinner last night you managed to cut your finger while chopping red onions.  As you furiously attempt to wash the burning onion juices from your cut, you are confident in the knowledge that you have just activated which clotting pathway?
    • A. 

      Fibrinolytic pathway

    • B. 

      Intrinsic pathway

    • C. 

      Common Pathway

    • D. 

      Extrinsic Pathway

  • 22. 
    Which of the following will not result in likely thrombus formation?
    • A. 

      Liver Failure

    • B. 

      Protein C Deficiency

    • C. 

      Atrial Fibrillation

    • D. 

      Accidentally sawing off the tip of your pinky finger

  • 23. 
    At a platelet count <50, the pt is at risk for spontaneous bleeding.
    • A. 

      True

    • B. 

      False

  • 24. 
    What effect would a plt. Count of 62 have on bleeding times?
    • A. 

      None, platelets still above 50.

    • B. 

      Shortened bleeding time.

    • C. 

      Prolonged bleeding time.

    • D. 

      Bleeding time is unrelated to plt. Count.

  • 25. 
    Normal bleeding time is….
    • A. 

      10-14 minutes

    • B. 

    • C. 

      30-60 seconds

    • D. 

      2-9 minutes