Which Action of the Nurse Will Minimize the Onset and Spread

Which action of the nurse will minimize the onset and spread of infection?

A) Insert indwelling urinary catheters to prevent incontinence.
B) Use aseptic technique when providing mouth care to the patient.
C) Keep the patient's mucus membranes dry to prevent maceration.
D) Use masks and gowns sparingly to reduce the patient's sense of isolation.