An 87-year-old patient has just been diagnosed with cancer. Her durable power of attorney names her ...

An 87-year-old patient has just been diagnosed with cancer. Her durable power of attorney names her son as her surrogate decision maker. He arrives at the patient's bedside to discuss treatment options with her.
 
  The patient is alert and oriented. Her son tells you that he does not want her to receive any treatment (chemotherapy) because of the side effects and her age. The patient tells you that she wants to try the treatment. Which decision should be followed by the nurse?
  a. The patient's son's
  b. The patient's
  c. Bothinitially the patient's; then the son's when the medication's side effects become severe
  d. Neither; this is a legal decision and should be made by a court of law