What is the effect of driving under the influence of drugs or alcohol?

Answer: C — Impairs judgment, motor skills, and reaction time

Driving under the influence of drugs or alcohol has severe effects that compromise a driver's abilities. When a person is impaired by these substances, their judgment becomes clouded, which affects their ability to make sound decisions, such as assessing distances, interpreting traffic signals, and responding to unexpected situations. Furthermore, motor skills, including coordination and control of the vehicle, deteriorate, making it difficult to steer, brake, or accelerate appropriately. Reaction time, which is critical in responding to hazards on the road, is also significantly slowed. This combination of impaired judgment, motor skills, and delayed reaction time greatly increases the risk of accidents and endangers not only the impaired driver but also passengers and other road users. Thus, understanding the extensive negative impact on driving performance is critical for maintaining safety on the roads.