GMS 6530 Coagulation Questions With Complete Solutions
Haemostasis Correct Answers 1) vasoconstriction ...... ......
2) platelet phase - plug formation
3) plasmatic phase - fibrin clot formation
4) fibrinolytic phase - plasmin degradation of fibrin
Platelet aggregation Correct Answers - tissue damage (exposed
...... ......
collagen) > platelet recruitment to collage (via vWF) > platelet
degranulation (activation) > ADP + 5-HT + TxA2 >
GPIIv/LLLa receptor activation > platelet aggration
Thrombin Correct Answers - last enzyme in common pathway
...... ......
- converts soluble fibrinogen to insoluble fibrin mesh trapping
blood cells and forming clot
Vitamin K depenent factors Correct Answers - II ...... ......
- VII
- IX
-X
tPA Correct Answers - tissue plasminogen activtor
...... ......
- activates plasminogen to plasmin
Plasmin Correct Answers - chops up fibrin and fibrinogen
...... .... ..
aPTT Correct Answers - activated partial thromboplastin time
...... ......
- measure of intrinsic pathway
- norm. 25-35 sec
PT Correct Answers - prothrombin time
...... ......
Haemostasis Correct Answers 1) vasoconstriction ...... ......
2) platelet phase - plug formation
3) plasmatic phase - fibrin clot formation
4) fibrinolytic phase - plasmin degradation of fibrin
Platelet aggregation Correct Answers - tissue damage (exposed
...... ......
collagen) > platelet recruitment to collage (via vWF) > platelet
degranulation (activation) > ADP + 5-HT + TxA2 >
GPIIv/LLLa receptor activation > platelet aggration
Thrombin Correct Answers - last enzyme in common pathway
...... ......
- converts soluble fibrinogen to insoluble fibrin mesh trapping
blood cells and forming clot
Vitamin K depenent factors Correct Answers - II ...... ......
- VII
- IX
-X
tPA Correct Answers - tissue plasminogen activtor
...... ......
- activates plasminogen to plasmin
Plasmin Correct Answers - chops up fibrin and fibrinogen
...... .... ..
aPTT Correct Answers - activated partial thromboplastin time
...... ......
- measure of intrinsic pathway
- norm. 25-35 sec
PT Correct Answers - prothrombin time
...... ......