The charge nurse on a busy 36-bed medical-surgical floor notices a staff nurse is late again and appears disheveled. The staff nurse's spouse died eight months ago, and the staff nurse has been working extra to pay the mortgage on the house. The staff nurse has exhibited concerning behavior over the past several weeks. The charge nurse has been documenting the staff nurse's behavior. The charge nurse audits the electronic medical records (EMR) of the staff nurse's three assigned clients. The charge nurse reflects on the pattern of cues evident in the staff nurse's behavior and the nursing care provided by the staff nurse. Which cues must the charge nurse address immediately? Select all that apply.