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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?

It acts as a cofactor for the activation of prothrombin Signup and view all the answers

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

Factor VIII Signup and view all the answers

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

To activate factor X, leading to the formation of thrombin and fibrin Signup and view all the answers

Where is thromboplastin primarily found in the body?

In platelets and endothelial cells Signup and view all the answers

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

To artificially increase the release of active thromboplastin from platelets and endothelial cells Signup and view all the answers

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

Kaolin and Ellman's Reagent Signup and view all the answers

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

To initiate the coagulation cascade Signup and view all the answers

Which statement about the nomenclature of thromboplastin complexes is correct?

The nomenclature is based on their biological functions Signup and view all the answers

What is the relationship between thromboplastin and thrombin?

Thromboplastin stimulates the conversion of prothrombin into thrombin Signup and view all the answers

Which of the following statements about thromboplastin is incorrect?

Thromboplastin is found in red blood cells Signup and view all the answers

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

All of the above Signup and view all the answers

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

TRAs inhibit the release of thromboplastin from platelets and endothelial cells Signup and view all the answers