Physiology of Blood Composition and Functions
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Questions and Answers

What stimulates the swell change in shape and pseudopodia put out by platelets?

  • Membrane phospholipids
  • Thrombin and ADP (correct)
  • Collagen exposure
  • Platelet activating factor
  • Which factor is exposed and reorganized to provide an ideal surface for the concentration of clotting factors and to start the coagulation process?

  • Thromboxane synthase
  • Thromboxane A2
  • Prostacyclin
  • Platelet factor 3 (PF3) (correct)
  • What is the irreversible fusion of platelets referred to as?

  • Platelet Fusion (correct)
  • Collagen contact
  • Intrinsic pathway
  • Coagulation Cascade
  • Which enzyme is responsible for the conversion of prothrombin to thrombin?

    <p>Thromboxane A2</p> Signup and view all the answers

    What provides an ideal surface for the concentration of clotting factors and to start the coagulation process?

    <p>Membrane phospholipids</p> Signup and view all the answers

    What is the function of platelets in the mechanism of hemostasis?

    <p>Formation of temporary hemostatic plug</p> Signup and view all the answers

    Which component makes up the majority of the composition of blood?

    <p>Plasma</p> Signup and view all the answers

    What are the chief cations found in the plasma composition of blood?

    <p>Sodium (Na+)</p> Signup and view all the answers

    Which blood component is responsible for transport, defense, and homeostasis?

    <p>Plasma</p> Signup and view all the answers

    During hemostasis, what is the function of vasoconstriction of blood vessels at the site of injury?

    <p>To stop bleeding by reducing blood flow to the injured area</p> Signup and view all the answers

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