A poison gas that is colorless, odorless, and tasteless
A common occupational hazard
Dangerous when inhaled because it displaces oxygen in the blood, depriving vital organs of oxygen
All of the above
Welders, garage mechanics, and forklift operators
Healthcare workers, nutritionists, and psychiatrists
Foresters, wetlands biologists, and park rangers
Teachers, librarians, and students
Refrain from moving the victim
Move the worker to fresh air immediately, call 9-1-1, and administer 100% oxygen if the victim is breathing or cardiopulmonary resuscitation (CPR) if the victim is not breathing
Try to get the victim to drink a hot, caffeinated beverage
Use an automated electronic defibrillator (AED) on the victim
Turn it off and unplug it, because it's right in the middle of your favourite show!
Ignore it -- it'll stop ringing some time soon
Get everyone out of the house and call 911.
Wave a magazine or paper in front of it until it stops ringing.