Problem: A client is scheduled to have chemotherapy at 2pm. The nurse knows that previous doses of chemotherapy have made the client very nauseous, with severe bouts of vomiting. The nurse goes to the physician and strongly advocates for extra hydration via an IV and antiemetics 1 hour before the chemotherapy. The nurse's actions demonstrate which of the following:
a. Fairness
b. Beneficence
c. Autonomy
d. Fidelity