What are "blind spots" and why are they critical to be aware of?

Answer: B — Areas around the vehicle not visible to the driver

Blind spots refer to areas around a vehicle that the driver cannot see through mirrors or by turning their head. These areas are critical to be aware of because they can hide other vehicles, pedestrians, or obstacles, increasing the risk of collisions during maneuvers such as lane changes or turns. Recognizing the existence of blind spots allows a driver to take necessary precautions, such as checking over their shoulder or employing proper signaling, to ensure safe driving practices. The ability to identify and compensate for blind spots directly impacts the driver's responsibility to monitor surrounding traffic and navigate safely, which is especially important in larger vehicles typically driven with a Class B CDL. Understanding where these blind spots are located and how to manage them is vital for preventing accidents and ensuring the safety of everyone on the road.