Chronic obstructive lung disease is reported with code ____________________

Which of the following statements about firefighters' smoke control stations is MOST accurate?

A. All smoke control equipment must be fully automated to prevent manual shutdown. B. The firefighters' smoke control station must be accessible by all building occupants at all times. C. Each piece of smoke control equipment should be controlled individually, rather then by zones. D. The firefighters' smoke control station should contain a building diagram indicating the location of smoke control equipment.

Anterior nosebleeds will ooze _________________ red blood

Fill in the blank(s) with correct word