Why is it important for truck drivers to use their mirrors effectively?

Answer: B — To monitor traffic and adjust to conditions

Using mirrors effectively is crucial for truck drivers because it enables them to monitor surrounding traffic and adjust to road conditions. Trucks have significant blind spots, and the mirrors provide a crucial view around the vehicle, which helps drivers stay aware of the location of other vehicles, pedestrians, and obstacles. By continuously checking their mirrors, drivers can make informed decisions, such as when to change lanes, merge, or maintain safe distances from other vehicles. This vigilance is vital for maintaining safety on the road and preventing accidents, particularly in busy traffic or challenging weather conditions. While the blind spots are an important area to check, relying solely on that aspect would leave gaps in situational awareness. The decoration of the truck and self-entertainment during drives are not relevant to safe driving practices and do not support the primary goal of road safety and effective driving operations.