The AP axial c-spine will utilize which of the following recommended distances?

What is the normal partial pressure of oxygen (in torr) in the arterial blood?

A) 35 to 45 B) 50 to 75 C) 80 to 100 D) 100 to 150

Which of the following BEST describes how operating pressure can be maintained for water-based suppression systems?

A. Using the lowest possible pressure for all attack lines B. Requesting utilities shut off water to nearby structures C. Turning system water off and on periodically during suppression efforts D. Deploying supply hoses from hydrant to fire department connection (FDC)