ADA NBDHE Dental Hygienist

Category - Scientific Basis for Dental Hygiene Practice

What is the first step in cutaneous wound healing?
  1. Macrophages migration
  2. Clot formation
  3. Collagen increase
  4. Blanching
Explanation
Answer: B - Clot formation is the first step in cutaneous wound healing. A clot forms and a scab covers the surface of the wound. Within 24 hours of incision, neutrophils appear at the margins of incision site to aid in healing.
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