A nurse is caring for an older adult client who was alert and oriented at admission, but now seems increasingly restless and intermittently confused. Which of the following actions should the nurse take to address the client's safety needs?
a) Place the client in restraints to prevent wandering.
b) Administer a sedative medication to promote relaxation.
c) Implement fall precautions and provide a calm environment.
d) Increase stimulation to keep the client engaged and oriented.