Which ethical principle is most relevant when the oncology patient has lost decision-making capacity and no advance directive is present?

1. Justice, ensuring equal allocation of resources above all else
2. Autonomy alone, deferring entirely to the patient's current choices
3. Beneficence and non-maleficence, balanced with prior wishes or proxy decisions
4. Fidelity, keeping promises made to the patient over all other duties

Practice all 17 Palliative and End-of-Life Care questions