Final answer:
Alcohol impacts a driver by slowing reaction times, impairing perception and coordination, and interfering with judgement, potentially leading to dangerous consequences such as road accidents.
Step-by-step explanation:
Alcohol affects a driver by slowing down reaction times and impairing perception; interfering with concentration and compromising judgement; and causing coordination to become unstable. The immediate effects of alcohol consumption can include a range of symptoms that impair a person's ability to perform tasks that require skill and judgement, such as driving.
For example, consumption of alcohol leads to decreased reaction time and visual acuity, lower levels of alertness, and reduced behavioral control. At higher blood alcohol concentration (BAC) levels, the effects can be more severe, including risk of acute intoxication, unconsciousness, and potentially death. Chronic alcohol use can lead to tolerance, where more alcohol is needed to achieve the same effects, and upon cessation, withdrawal symptoms like tremors, seizures, and confusion may occur.