A clinical laboratory technician is asked to enumerate the red blood cells in a sample using the standard procedure. What is the single factor by which the technician can multiply the absolute number of cells counted on the hemacytometer to obtain an accu

Which statement made by an EMT demonstrates an understanding of chest trauma?

A) "Open chest injuries are more serious than closed chest injuries, because air and bacteria can enter the chest through the open wound." B) "In general, an open chest injury caused by blunt trauma is more life threatening than a closed one due to increased potential for blood loss." C) "Closed chest injuries are caused by blunt trauma, and can be just as serious as open chest injuries." D) "Closed chest injuries are caused by penetrating trauma and cause more life-threatening injuries than do open chest injuries."

The typical services provided by one surgeon for all services involved in surgical procedure code make up the

A) CPT sequence. B) surgical package. C) surgical series. D) code plus modifier.