Answer to Question 1
C
Controlling physical agents, such as noise, can usually be accomplished through engineering strategies and personal protective equipment. It is much harder to change biological agents (bac-teria), chemical agents (aerosols), and psychosocial agents (burnout).
Answer to Question 2
B
New workers with less than 1 year of experience on the current job are at greatest risk for expe-riencing work-related accidents with subsequent injuries.