A Patient in the Nurse's Care Is Being Investigated for Diarrhea

A patient in the nurse's care is being investigated for diarrhea. The nurse remembers this patient from another facility and recalls that he was diagnosed as HIV-positive, but the patient denies this to the nurse. How should the nurse proceed?

A) The nurse should do nothing.
B) The nurse should tell her colleagues to be extra careful when attending to this patient.
C) The nurse should confront and challenge the patient about his dishonesty.
D) The nurse should report this information to her manager in a private meeting.