The Nursing Assistant Is Caring for an Unconscious Resident

The nursing assistant is caring for an unconscious resident. What is the best action by the nursing assistant to prevent a pressure ulcer?

A) Apply a pressure-relieving mattress on the resident's bed.
B) Employ a bed protector under the resident's skin.
C) Use a lift sheet to move the resident up in the bed.
D) Examine the linens during reposition and change as needed.