Which among the following factors are essential for ‘blood coagulation’?

  1. Vitamin K
  2. Calcium ions (Ca++)
  3. Christmas factor

Select the correct option from the codes given below:  

[A] 1 and 2
[B] 1 and 3
[C] 2 and 3
[D] 1, 2 and 3
Click Here to Display Answer