If cancer, stroke, and heart attacks were eliminated, demographers estimate that the life of an average 70-year-old would be extended approximately how long?

When Renata conducts a job analysis, she realizes that the employees are spending far too much time on one component of their job because of outdated equipment. In this case, the job analysis will be helpful for:

A) training. B) job redesign. C) job evaluation. D) competency modeling.

Endorphins are the neurotransmitters that _____

A) control your muscles B) act as natural painkillers C) generate pain sensations D) excite the ventral horn of the spinal cord