MCQ
In the extrinsic clotting pathway, the active factor VII activates which factors?
  • A
    X and XI
  • B
    IX and XI
  • C
    IX and X
  • D
    XI and XII

Answer

  1. IX and X

Explanation:

When there is damage to the blood vessel, the factor VII leaves the circulation and comes in contact with the tissue factor (TF), which is expressed on tissue-factor bearing cells, forming an activated TF - FVIIa. This TF - FVIIa activates factor IX and factor X.

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free