During an active shooter situation, the nurse closes patient’s rooms and bars entry to the unit. This is an example of which ethical principle?

A patient with a documented Do Not Resuscitate (DNR) order suddenly develops pulseless ventricular tachycardia. Which intervention by the nurse is most appropriate?

The nurse has observed the resident physician move between patients without performing hand hygiene on multiple occasions. Each time, the nurse asks the resident physician to perform hand hygiene before moving on to the next patient; the resident physician scoffs at the nurse and continues examining patients. Which action by the nurse is most appropriate?