Which of the Following Infection Control Practices Should Involve the Minimum

Which of the following infection control practices should involve the minimum required personal protective equipment when visiting a patient who is within 12 to 24 hours postoperative thoracic organ transplantation?

A) Only the health care providers need to wear a mask and gloves to avoid spreading germs from other patients.
B) Only hand washing should be employed when entering the room.
C) Hand washing when entering the patient room and use of a mask if one has respiratory symptoms.
D) All visitors (family and health care providers) should at least wear a mask and perform hand washing.