Your 32-year-old male patient presents with constant, severe flank pain, radiating to his groin, with tenderness over the costovertebral angle, and hematuria. What should be the MOST likely differential diagnosis?

You are on scene of a serious motor vehicle collision. As the officer in charge, which one of the following instructions for other rescuers is most appropriate?

A) "Let's make sure to put cones around the cars." B) "We need to route passing traffic no more than 20 feet around the scene." C) "Park the ambulance downhill to make movement of the patient easier." D) "Let's stop all traffic and reroute it to alternative roadways."

You are reassessing a patient who has sustained blunt trauma to the chest. Which one of the following reassessment findings best indicates that the patient is deteriorating and is in the decompensating phase of shock?

a. Pulse of 96 beats per minute b. Blood pressure of 88/50 c. Blood oozing from an abdominal laceration d. Skin that is cool and dry