NCLEX Practice Quiz: Porcine Grafts in Burn Treatment NCLEX Practice Quiz: The Benefits of Porcine Grafts in Burn Treatment One benefit of utilizing biologic burn grafts, such as porcine (pigskin) grafts, is that they seem to promote: 1. Encourage formation of tough skin. 2. Promote the growth of epithelial tissue. 3. Provide for permanent wound closure. 4. Facilitate development of subcutaneous tissue. Δ