Mark the pair of substances among the following which is essential for coagulation of blood.
A. Heparin and calcium ions
B. Calcium ions and platelet factors
C. Oxalates and citrates
D. Platelet factors and heparin
Answer:B
Mark the pair of substances among the following which is essential for coagulation of blood.
A. Heparin and calcium ions B. Calcium ions and platelet factors C. Oxalates and citrates D. Platelet factors and heparin