In blood clotting, what activates “factor X”
1. the extrinsic pathway
2.prothrombinase
3.thrombin
4.tissue plasminogen activator
In the hemostasis process, what forms as a result of the extrinsic and intrinsic pathwaysI
1. fibrin
2.prothrombinase
3.thrombin
4.a platelet plug
In the process of haemostasis, which phase involves the intrinsic and extrinsicp athways?
1. the platelet phase
2. the coagulation phase
3. the clot lysis phase
4.the vascular phase
The role of platelets in blood clotting includes all of the following EXCEPT one. Which one?
1. to form a plug in the hole of the damaged blood vessel
2.to release chemicals to attract other platelets
3.to convert prothrombin to thrombin
4.to adhere to exposed collagen fibres in damaged blood vessels
What are red blood cells primarily composed of?
1. alpha- and beta- globulins
2. mitochondria
3.albumin
4. haemoglobin
What is the major task of red blood cells?
1. to ensure haemostasis
2. to transport oxygen
3.to transport carbon dioxide
4.to provide immunity
What is the SECOND step in the three phases of haemostasis listed below?
1. The platelet phase
2. The extrinsic pathway
3. The vascular phase
4. The intrinsic pathway
What substance is the product of the second step in the blood clotting process?
1. prothrombin activator
2. prothrombin
3. fibrin
4.thrombin
Which cell in the list below is the MOST common white blood cell?
1.lymphocytes
2.monocytes
3.neutrophils
4.basophils
Which is the LEAST common type of white blood cell?
1. basophil
2.neutrophil
3.lymphocyte
4.thrombocyte