A nurse administers the wrong medication to a client. Which of the following actions should the nurse take first?

A. Notify the charge nurse. After ensuring the client’s safety, the nurse should then notify the charge nurse to inform them of the situation and seek guidance. B. Fill out an incident report. While an incident report is necessary, it should be completed after ensuring the client's safety. C. Document the client's condition in the electronic medical record. Documentation should follow assessment and intervention to address the error. D. Check the client's vital signs. This immediate assessment helps determine if the client is experiencing any negative effects from the medication error.