Final answer:
The nurse should not refer to a patient, even by nickname or room number.
Step-by-step explanation:
In the inservice class on social media for nursing employees, the statement that should be included is d) The nurse should not refer to a patient, even by nickname or room number.
This statement is important because it emphasizes the need for confidentiality and privacy when discussing patients on social media platforms. Revealing patient information can be a violation of HIPAA rules and can lead to legal consequences. It is crucial for nurses to maintain the trust and confidentiality of their patients by refraining from sharing any identifying information on social media.