The nurse witnesses a healthy 19-year-old collapse while playing football. The individual is arousable but confused and irritable. The skin is warm, dry, and flushed. The nurse instructs a teammate to bring the water cooler and pours it over the victim. The teammate shouts, “Why did you do that?! Won’t he go into shock?”  The nurse bases the response on the need for rapid cooling to prevent which conditions? Select all that apply.  

The patient presents to the emergency room complaining that his heart is racing and he feels dizzy. His heart rate is 220 bpm, his blood pressure is 80/40 mmHg, and his capillary refill is 5 seconds. He is diaphoretic and is becoming increasingly lethargic. The nurse anticipates which order first?

The patient with severe anxiety and claustrophobia is administered intravenous midazolam prior to an outpatient magnetic resonance imaging (MRI) scan of the brain. The nurse informs the patient’s companion that the patient can leave at which time following the procedure?