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 Hemostasis occurs due to

 Hemostasis occurs due to Correct Answer <span style="color: rgb(34, 34, 34); ">All of the above</span>

Explanation

  • Hemostasis is defined as the arrest or stoppage of bleeding.

 Stages

  • Vasoconstriction
  • Platelet plug formation
  • Coagulation of blood

Vasoconstriction

  • Happens immediately after injury.
  • When blood vessels are cut, collagen is exposed.
  • Platelets adhere to this collagen.
  • Activated platelets secrete serotonin and other vasoconstrictors.

Platelet plug formation

  • Platelets adhere to the collagen secretes adenosis diphosphate and thromboxane-A.
  • Platelet aggregation is accelerated by the platelet-activating factor.

Coagulation of Blood

  • Fibrinogen converts to fibrin.
  • Fibrin threads get attached to the platelet plug.

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