Which independent federal agency is responsible for determining the probable causes of pipeline accidents involving a fatality or substantial property release, releases of hazardous materials in all forms of transportation, and selected transportation accidents involving problems of a recurring nature?

You are the first ambulance to arrive at the scene of a motor-vehicle crash. As you approach the scene, you see three patients, two who have been ejected from their vehicles and the other who is still in his vehicle. You should:

A: call medical control and apprise him or her of the situation. B: request additional ambulances to respond to the scene. C: begin triaging and treating the most critically injured. D: notify the local trauma center so they can prepare for the patients.

An AP large intestine projection with accurate positioning demonstrates

1. the spinous processes aligned with the midline of the vertebral bodies. 2. symmetrical iliac ala. 3. superimposition of the ascending and descending limbs of the colic flexure. 4. the fourth lumbar vertebra in the center of the exposure field. a. 1 and 2 only b. 3 and 4 only c. 1, 2, and 3 only d. 1, 2, 3, and 4