Stanimar is staying in the hospital after surgery. He starts to suffer from a fever, diarrhea, and abdominal pain. How did Stanimar most likely contract his nosocomial infection? A urinary catheter was not properly sterilized before it was used.
O A nurse did not properly disinfect her hands before she inserted the ventilator during surgery.
O A health-care worker did not disinfect her hands after she helped another patient to the bathroom.
O The surgical instruments that were used during his surgery were not properly cleaned before his procedure.