The Nurse Is Observing a New Staff Member Work with the Patient.Of

The nurse is observing a new staff member work with the patient.Of the following activities,which one has the greatest possibility of contributing to a nosocomial infection and requires correction?

A) Washing hands before applying a dressing
B) Taping a plastic bag to the bed rail for tissue disposal
C) Placing a Foley catheter bag on the bed when transferring a patient
D) Using alcohol to cleanse the skin before starting an intravenous line