Who has ultimate authority for all issues regarding patient care at the scene of a mass-casualty incident?

Which of the foliowing is a primary difference between a traditional solid floor joist systems and the floor truss systems now being used in some Type V structures?

A. Floor joist systems create more voids through which fire can travel. B. Truss systems are built of lighter materials and are more weak than joists. C. Truss systems create a large open void area between the floors of a structure. D. Floor joist systems do not have the fire endurance that modern truss systems have.

The spleen is located in the_____quadrant of the abdomen.

A. lower left B. upper left C. lower right D. upper right