Who is responsible for on-scene safety of EMS providers?

A trauma patient has been struck in the abdomen by the steering column of the car he was driving. He is hypotensive, confused, and short of breath. Both you and your partner are concerned that he may have ruptured his spleen and is bleeding internally. Normal saline is being provided through the IV for transport. As such, you recognize that this solution will provide:

A) sugar for cellular energy. B) red blood cells to carry oxygen. C) clotting factors to stop bleeding. D) electrolytes to replenish lost plasma.

An abnormal amount of fluid can accumulate between the layers of the pericardium resulting in which of the following?

a. Pericardial effusion b. Pulmonary embolism c. Atrial fibrillation d. Premature ventricular contractions