The home health nurse is teaching a patient and family about hand hygiene in the home.The nurse is sure to emphasize washing hands at what time?

A) Before and after shaking hands.
B) Before and after treatments.
C) Before opening the refrigerator.
D) Before and after using a computer.

Patients should perform hand hygiene before and after treatments and when coming in contact with body fluids.Depending on the patient,holding hands does not necessitate washing of hands before,but washing hands afterwards is good practice,especially before touching eyes,nose,or mouth.Washing hands before and after opening the refrigerator and using the computer is not required,but during cold and flu season,it might be advisable.