A patient with a signed Do Not Resuscitate (DNR) order suddenly becomes unresponsive and goes into cardiac arrest. His wife, who is his healthcare power of attorney, starts yelling hysterically, “Do everything you can! Save him! I don’t care that he didn’t want to be resuscitated, he would want to live for me!” Which action by the nurse is best?

The man who lost his wife and child to a drunk driving accident one year ago is receiving care in a behavioral health unit. The patient tells the nurse that he has begun to feel better and feels like he is ready for release. Which statement indicates the patient should remain in the unit?

Which neurotransmitter system is affected by the drug of choice for major depressive disorder?