F4 Blood Clotting

Which of the following is the purpose of blood clotting?

1 - Minimise blood loss on injured vessel

2. 2 - Prevent microorganisms from entering damaged blood vessel

3. 3 - Maintaining blood pressure

4. 4 - Provides oxygen to surrounding cells

• 1, 2 and 3

• 1, 3 and 4

• 1, 2 and 4

• 1, 2, 3 and 4

What is A?

• Prothrombin

• Fibrinogen

• Fibrin

• Thrombokinase

Which of the following best describes thrombokinase in the blood clotting process?

• Hormone

• Vitamin

• Enzyme

• Antibody

In the blood clotting process, thrombokinase functions to

• Converting fibrin into fibrinogen

• Breaking down fibrin clots

• Activating platelets for aggregation

• Aid calcium ions and vitamin K

Function of thrombokinase is to aid calcium ions and vitamin K.

It will convert B to C. What are B and C?

• B - Thrombin

  C - Prothrombin

• B - Prothrombin

  C - Thrombin

• B - Fibrin

  C - Fibrinogen

• B - Fibrinogen

  C - Fibrin

Correctly pair the following

• D - Fibrin - Soluble

  E - Fibrinogen - Insoluble

• D - Fibrin - Insoluble

  E - Fibrinogen - Soluble

• D - Fibrinogen - Soluble

  E - Fibrin - Insoluble

• D - Fibrinogen - Insoluble

  E - Fibrin - Soluble

Explain the function of fibrin (3 marks)

Answer explanation

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