Question

Which of the following statements are correct ?
(i) `Ca^(+2)` is necessary for blood coagulation
(ii) Coagulation in blood vessel is prevented during normal condition by heparin
(iii) Clotting of blood involves changes of fibrinogen to fibrin by thrombin
(iv) Blood clotting involves casecading process involving a number of factors present always in the active form.

Answer 1

Option (iii) is correct. Also option (ii) would have been correct if it was in extreme conditions.

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