Economics applies scientific information and data regarding human body mechanics to the design of objects and overall environments for human use.

Of the total firefighter fatalities each year, what percentage occurs during fire-training activities?

A) Less than 5 percent B) More than 15 percent C) 10 percent D) 15 percent

Substance abuse manifests impairment by

A) the need to take increased amounts of the substance to achieve the desired effect B) recurrent use that results in failure to fulfill major obligations at work, school, and/or home C) a heightened interest in social activities and work D) the major time spent in activities to obtain the substance