Which driving-related abilities are affected first as alcohol begins influencing the brain?
Correct answer: A – Judgment and self-control
The first part of the brain affected by alcohol controls judgment and self-control. This can prevent a person from accurately recognizing increasing impairment or making safe decisions. As BAC continues to rise, coordination, vision, reaction time, and muscle control become increasingly affected.
Source: Georgia Commercial Driver’s Study Guide — § 2.22.1, “Alcohol and the Brain”



