A nursing assistant thinks it looks odd and makes fun of it to other nursing assistants when she finds out a doctor wearing a small, round hat on the back of his head every day. Her nursing supervisor takes her aside and talks to her about which of the following:

This shows the lack of cultural awareness on the behalf of the nursing assistant. Such clothing is a Jewish hat called a yarmulke or kippah. Making fun of such clothing demonstrates a lack of cultural awareness and is also disrespectful towards religious beliefs. Prioritizing tasks above conversations with coworkers is somewhat relevant if the conversations occur during inappropriate times. The other answers are not connected with her behavior.