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- 1. Multiple Choice
Which of the following is not the importance of blood clotting? Choose your answers.
Prevent excessive blood lost
Prevent the entry of pathogen into the blood vessels
Prevent the dropping of blood pressure.
Prevent the entry of oxygen into the blood
- 2. Multiple Choice
Name the blood cell and plasma protein that is responsible in blood clotting mechanism.
Leucocytes
Platelets
Albumin
Fibrinogen
Erythrocytes
- 3. Multiple Choice
Name the chemical substance that is secreted by platelets when it is exposed to the air.
Antibody
Trombin
Thrombokinase
Fibrin
- 4. Multiple Choice
What are THREE substances required to convert prothrombin into thrombin.
Thrombokinase
Fibrinogen
Calcium ions
Vitamin K
Albumin
- 5. Multiple Choice
What substance is needed to convert fibrinogen to fibrin?
Thrombokinase
Thrombin
Prothrombin
Thrombus
- 6. Multiple Choice
Why fibrin mesh is important in blood clotting mechanism?
To attract more platelets.
To attract more erythrocytes.
To destroy pathogens.
To prevent erythrocytes from flowing out.
- 7. Multiple Choice
Ariana lack of clotting factors that cause her blood to unable to clot when she is having a cut.
Name this disease.
Haemophilia
Talasemia
Thrombosis
Embolism
- 8. Multiple Choice
Blood clot can be formed within the artery and prevents blood from flowing normally through the circulatory system.
What is this disease.
Heamophilia
Talasemia
Embolism
Thrombosis
- 9. Multiple Choice
A boy accidentally cut his finger. the blood clots occur slowly. What caused the blood to clot slowly?
Lack of vitamin D in his meal
Lack of vitamin K in his meal
The blood of the boy is infected with pathogens
The blood of the boy flow with high pressure at the wound
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