What is the difference between active and passive euthanasia? a.) in active euthanasia, the doctor knowingly withholds life-saving medication. in passive euthanasia, the doctor kills the patient. b.) in active euthanasia, the patient kills himself. in passive euthanasia, the doctor performs the final action. c.) in active euthanasia, the patient is accompanied by two witnesses. in passive euthanasia, the patient has no witnesses other than the doctor. d.) in active euthanasia the doctor takes proactive steps to end the life of the patient. in passive euthanasia the doctor withholds life-saving treatment.