Coagulation and Clotting Process Quiz

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Questions and Answers

What is the primary definition of coagulation or clotting?

  • The process in which red blood cells clump together
  • The process in which blood loses its fluidity and becomes a jelly-like mass few minutes after it is shed out or collected in a container (correct)
  • The process in which blood cells aggregate and form a clot
  • The process in which blood becomes thicker and more viscous

Which clotting factor is also known as the Christmas factor?

  • Factor IX (correct)
  • Factor VII
  • Factor VIII
  • Factor XI

Which clotting factor is responsible for the stabilization of fibrin?

  • Factor X
  • Factor XI
  • Factor XII
  • Factor XIII (correct)

What is the role of Calcium (Factor IV) in the coagulation process?

<p>It acts as a cofactor for the activation of prothrombin (D)</p> Signup and view all the answers

Which clotting factor is also known as the Antihemophilic Factor or Antihemophilic Globulin?

<p>Factor VIII (B)</p> Signup and view all the answers

What is the primary role of thromboplastin in the blood coagulation process?

<p>To activate factor X, leading to the formation of thrombin and fibrin (A)</p> Signup and view all the answers

Where is thromboplastin primarily found in the body?

<p>In platelets and endothelial cells (D)</p> Signup and view all the answers

What is the purpose of thromboplastin releasing agents (TRAs)?

<p>To artificially increase the release of active thromboplastin from platelets and endothelial cells (C)</p> Signup and view all the answers

Which of the following is an example of a laboratory assay used to measure the activity of thromboplastin?

<p>Kaolin and Ellman's Reagent (C)</p> Signup and view all the answers

What is the role of thromboplastin in the overall process of blood coagulation?

<p>To initiate the coagulation cascade (A)</p> Signup and view all the answers

Which statement about the nomenclature of thromboplastin complexes is correct?

<p>The nomenclature is based on their biological functions (B)</p> Signup and view all the answers

What is the relationship between thromboplastin and thrombin?

<p>Thromboplastin stimulates the conversion of prothrombin into thrombin (A)</p> Signup and view all the answers

Which of the following statements about thromboplastin is incorrect?

<p>Thromboplastin is found in red blood cells (D)</p> Signup and view all the answers

What is the significance of measuring thromboplastin activity in laboratory assays?

<p>All of the above (D)</p> Signup and view all the answers

Which of the following statements about thromboplastin releasing agents (TRAs) is incorrect?

<p>TRAs inhibit the release of thromboplastin from platelets and endothelial cells (A)</p> Signup and view all the answers

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