Multiple choice general knowledge

What process prevents blood loss from an injured vessel?

  1. Blood-Supply

  2. Disorder

  3. Transfusion

  4. Clotting
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Blood clotting (coagulation) is the process that prevents excessive blood loss when a vessel is injured. Platelets accumulate at the injury site and release clotting factors that form a fibrin mesh to seal the wound. Transfusion is transferring blood between persons, not preventing loss.

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