The Nurse Receives a Prescription to Begin a Morphine Drip

The nurse receives a prescription to begin a morphine drip for a patient who is to be taken off the ventilator,and to increase the infusion rate as needed to maintain the patient's comfort.The nurse refuses to carry out the order because the morphine will depress respirations and the nurse believes this is equivalent to killing the patient.Which concept best describes what this nurse is demonstrating?

A) Moral agency
B) Morals
C) Bioethics
D) Clinical decision making