A nurse manager is teaching a group of nurses about client confidentiality. Which of the following should the nurse manager include as an example of protecting a client's personal health information?

A provider uses a nurse's password to access a client's laboratory results.

A provider leaves a clipboard with the client's vital signs at the client's bedside.

A nurse posts the schedule for an upcoming x-ray on the whiteboard in the client's room.

A nurse sends a list of a client's prescribed medications via encrypted email.