Name the three basic types of water movement systems

You have just approached a residence on a call for the report an injured person. Which of the following safety measures should you take? 1. Listen for loud noises and shouting. 2. Take note if the scene is "too quiet." 3. Stand on the side of the door

opposite the hinges. 4. Listen for the sound of items being thrown or broken. 5. Look in the windows for signs of weapons or a possible perpetrator. A) 2, 3, and 5 B) 1, 4, and 5 C) 1, 3, 4, and 5 D) 1, 2, 3, 4, and 5

Your patient is a 15-year-old male who was struck in the chest with a baseball. He is unresponsive, pulseless, and apneic. The monitor shows ventricular fibrillation. This condition is most accurately described as:

A) pericardial tamponade. B) blunt cardiac injury. C) commotio cordis. D) traumatic asphyxia.