A client admitted to the unit after application of a skin graft is prescribed biafine topical emulsion for the donor site.

A client admitted to the unit after application of a skin graft is prescribed biafine topical emulsion for the donor site. The client has lung cancer and receives both chemotherapy and radiation treatments. Which is the priority teaching point for the nurse to provide to the client about the prescribed biafine? “Apply sunblock when using this medication to avoid burns.” “Do not apply the medication for 4 hours after radiation therapy.” “Wash the skin with soap, water, or saline prior to applying medication.” “Use ¼-½ inch of medication when applying to the donor site for treatment.”