Moderate

Ions participating in clotting mechanism are________________?

Correct answer: C. Calcium

  • A. Iron
  • B. Copper
  • C. Calcium
  • D. Aluminum

Explanation

Calcium ions, called factor IV, are required at several stages of the coagulation cascade, especially for the assembly of clotting-factor complexes on phospholipid surfaces. Iron, copper and aluminium are not the essential clotting ion.

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