Which piece of legislation authorized the U.S. military to use simultaneous helicopter evacuation and medical care to augment existing U.S. civilian EMS?

When cooler air is mixed into the upward plume flow and changes the plume's temperature, velocity, and diameter, this is defined as

. a. the ceiling jet b. entrainment c. heat rise d. fire plume

When the arm of the patient is swollen with excess fluid, the condition is called

a.) edema b.) hemoconcentration c.) icetrus d.) snycope