Final answer:
When changing an unsterile dressing, the nurse aide should wash hands thoroughly to prevent the spread of infection. Handwashing is especially important in healthcare settings to prevent the transmission of pathogens to patients.
Step-by-step explanation:
When changing an unsterile dressing, the nurse aide should wash hands thoroughly to prevent the spread of infection. Handwashing is especially important in healthcare settings to prevent the transmission of pathogens to patients. According to the CDC, handwashing should be done before and after patient contact, after removing gloves, and after contact with bodily fluids or potentially infectious materials.