The Nurse Performs a Dressing Change for a Patient with a Negative-Pressure

The nurse performs a dressing change for a patient with a negative-pressure wound therapy device.Which step does the nurse implement to facilitate wound healing?

A) Cuts the foam smaller than wound edges.
B) Uses black foam to prevent granulation tissue from forming.
C) Determines if the patient needs pain medication before beginning the procedure.
D) Checks the dressing to ensure that the device's tubes are functioning.