Question

After the skin is cut and a capillary wall breaks, what's the first step in working to form a clot? A. Thrombin causes sticky fibrin filaments to form the clot. B. The clot seals the area to prevent further blood loss. C. A set of reactions are triggered. D. Platelets clump at the site.

Answer 1

The first step when working to form a clot after a capillary wall breaks is that platelets clump at the site. The answer is D.

Hope this helps!