Which Intervention Will the Nurse Use to Break the Chain

Which intervention will the nurse use to break the chain of infection by eliminating the reservoir?

A) Ensure that all antibiotics are taken properly and only when needed,to avoid creation of antibiotic-resistant microorganisms.
B) Avoid coughing or sneezing without covering the mouth.
C) Use sterile technique for invasive procedures.
D) Change dressings and bandages when they are soiled or wet.