Coagulation Factors Description Quiz

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Questions and Answers

Which clotting factor is synthesized in megakaryocytes and endothelial cells?

  • Factor V
  • Factor VIII (correct)
  • Factor X
  • Factor XIII

What is the activated form of proaccelerin (labile factor) that functions in both intrinsic and extrinsic pathways?

  • Activated Factor VIII
  • Activated Factor V (correct)
  • Activated Factor IX
  • Activated Factor XIII

Which plasma protein required for clot formation is slowly inactivating thrombin?

  • Fibrin Stabilizing Factor
  • Heparin
  • Prostacyclin
  • Antithrombin (correct)

In hemophilia, which clotting factor, if deficient, affects the intrinsic pathway?

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

Which vitamin is required for synthesis of some of the clotting factors mentioned?

<p>Vitamin K (D)</p> Signup and view all the answers

Where is Heparin produced in the body to assist in rapidly inactivating thrombin?

<p>Endothelial cells (C)</p> Signup and view all the answers

What is required throughout the clotting sequence?

<p>Calcium (A)</p> Signup and view all the answers

Which factor forms a complex with Thromboplastin in the presence of Ca2+ to activate Factor X?

<p>Factor VII (D)</p> Signup and view all the answers

Where is Factor II (Prothrombin) synthesized?

<p>Liver (C)</p> Signup and view all the answers

Which factor is *Missing in Classic Hemophilia?

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

What is the role of Factor V in the blood clotting process?

<p>Works with platelet phospholipids and Ca2+ to form prothrombinase (B)</p> Signup and view all the answers

What is the function of Factor XIII in blood clotting?

<p>Forms fibrin clots (D)</p> Signup and view all the answers

What is the function of serum in the blood clotting process?

<p>Removes fibrinogen and some clotting factors (C)</p> Signup and view all the answers

Which condition is characterized by the presence of very low numbers of platelets in the circulating blood?

<p>Thrombocytopenia (A)</p> Signup and view all the answers

What is the main cause of Vitamin K deficiency in newborns?

<p>Failure of intestinal bacteria to provide Vitamin K (C)</p> Signup and view all the answers

In Hemophilia A, what factor is either abnormal or deficient?

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

Which process causes a blood clot to condense into a denser, more compact structure?

<p>Clot Retraction (D)</p> Signup and view all the answers

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