Biology
State which of the following statements are True.
(i) Process of coagulation starts with the release of a substance from RBCs.
(ii) Blood fails to clot readily in the case of deficiency of calcium.
(iii) The solid fibrin and thrombin are one and the same thing.
(iv) The clear liquid that oozes out after the formation of a clot is serum.
Circulatory System
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Answer
(i) False
Corrected Statement — Process of coagulation starts with the release of a substance from platelets.
(ii) True
(iii) False
Corrected Statement — The solid fibrin and thrombin are different. Thrombin converts fibrinogen into insoluble fibrin in presence of calcium ions.
(iv) True
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