The drowning victim is admitted to the intensive care unit (ICU) after being without oxygen for 10 minutes. When he was found, he did not have a pulse and was resuscitated at the site. Once return of spontaneous circulation (ROSC) occurred, he was transported to the hospital. He was found to be profoundly hypotensive and was fluid resuscitated in the ambulance. In the ICU, his Glasgow coma score is found to be 7. He is intubated and has a central line and a peripheral arterial catheter in place. Which constellation of symptoms concern the nurse the most?

The magnetic resonance imaging (MRI) scan of a 2-month-old infant with severe seizures shows a brain that appears smooth and lacks normal gyri and sulci. The nurse anticipates which diagnosis?

The patient is brought to the emergency department after being pulled from a structure fire by rescue personnel. A stat bronchoscopy is ordered. The nurse informs the patient's spouse of which rationale for this order?