AAB MT- HEM COAGULATION EXAM
QUESTIONS WITH COMPLETE ANSWERS
Primary hemostasis is maintained by what three factors? - Answer-Vasoconstriction,
Primary or Reversible platelet adhesion to subendothelium, and Secondary or
Irreversible platelet aggregation.
Secondary platelet aggregation is visually characterized by what? - Answer-A change in
platelet shape.
During Secondary platelet aggregation, what is secreted? - Answer-ADP, ATP,
Epinephrine, Serotonin, and Platelet Factor 4.
In the Common Pathway, when is prothrombinase complex formed? - Answer-After the
activation of factor X (this includes Xa,-Va-Ca++-platelet PL.
In Hemophilia A patients the PT time is? - Answer-Normal
In Hemophilia A patients the PTT time is? - Answer-Prolonged
In Hemophilia A patients the bleed time is? - Answer-Normal
In Hemophilia A patients Factor VIII activity is? - Answer-Decreased
In Hemophilia A patients platelet function is? - Answer-Normal
Hemophilia A patients can be treated with what? - Answer-Factor VIII concentrate or
Cryoprecipitate
What factor is deficient in Hemophilia B patients? - Answer-Factor IX
In Hemophilia B patients the PTT time is? - Answer-Prolonged
In Hemophilia B patients the PT time is? - Answer-Normal
In Hemophilia B patients Factor IX activity is? - Answer-Decreased
Hemophilia B patients can be treated with? - Answer-Factor IX concentrates
In Hemophilia C patients, the PTT time is? - Answer-Prolonged
In Hemophilia C patients, the PT time is? - Answer-Normal
In Hemophilia C patients, Factor XI activity is? - Answer-Decreased
, Hemophilia C patients can be treated with? - Answer-Fresh Frozen Plasma
Coagulation instruments, generally measure which factor as an endpoint? - Answer-
Factor V
Factor I is known as? - Answer-Fibrinogen
Factor II is known as? - Answer-Prothrombin
Factor III is known as? - Answer-Tissue Thromboplastin
Factor IV is known as? - Answer-Calcium
Factor VI is known as? - Answer-Labile Factor
Factor VII is known as? - Answer-Stable Factor
Factor VIII is known as? - Answer-Anti-hemophiliac Factor A
Factor IX is known as? - Answer-Anti-hemophiliac Factor B
Factor X is known as? - Answer-Stuart-Prower Factor
Factor XI is known as? - Answer-Anti-hemophiliac Factor C
Factor XII is known as? - Answer-Hageman Factor
Factor XIII is known as? - Answer-Fibrin Stabilizing Factor
What coagulation factors make up the Fibrinogen Group? - Answer-Factors I, V, VIII,
and XIII.
What coagulation factors make up the Prothrombin Group? - Answer-Factors II, VII, IX,
and X.
What coagulation factors make up the Contact Group? - Answer-HMWK,, PK, Factor
XII, and Factor XI.
Which coagulation group is vitamin K dependent? - Answer-Prothrombin Group
Which coagulation group is consumed during the coagulation process? - Answer-
Fibrinogen Group
Which Coagulation Factors Groups are stored in the plasma? - Answer-Fibrinogen
Group, Prothrombin Group, and Contact Group.
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