Barry works as a nursing assistant in a long-term care facility. He is assisting Ms. Eckert, who is in an isolation unit, with ADLs. When finished, Barry is asked to remove the walker from Ms. Eckert's room, as she no longer needs it. The walker will be used by other facility residents. What should Barry do first when removing the walker from the isolation room?
a. Disinfect it
b. Disassemble it
c. Place it in a biohazard plastic bag
d. Cover it with a clean gown