Final answer:
The nurse should call for assistance first, then assess the client's level of consciousness when finding a client on the bathroom floor.
Step-by-step explanation:
The nurse should take the action of calling for assistance FIRST when finding a client on the bathroom floor. This is crucial to ensure the immediate safety of the client. By calling for assistance, the nurse can alert other healthcare professionals who can provide the necessary help and support during this emergency situation.
Once help has been summoned, the nurse should proceed to assess the client's level of consciousness. This will help determine the severity of the situation and guide further actions and interventions.
Administering pain medication or documenting the incident should be done after the initial response to ensure the client's well-being and proper documentation of the event.