A patient hospitalized with ulcerative colitis develops worsening abdominal pain, a fever of 103 °F, heart rate of 132 bpm, and blood pressure of 82/54 mmHg. Her labs are notable for an elevated white blood cell count. What is the nurse’s first action?

One week following a total hysterectomy, a patient presents to the emergency department with a temperature of 104° F, heart rate 118, blood pressure 100/68 mmHg, new onset confusion and delirium, and flushed, warm skin. On assessment, the patient has positive bowel sounds, the patient’s abdomen is soft and non-tender, she has mild to moderate subcostal and intercostal retractions, and her breath sounds are clear and equal bilaterally. The nurse anticipates which diagnosis?

Following brain surgery, the patient is producing massive volumes of dilute urine. The nurse suspects which structure was inadvertently harmed during the surgery?