What alteration does alcohol consumption most frequently cause in driver behavior?
A)Decreased reaction time.
B)Greater ease in perceiving traffic lights and luminous signals.
C)Impulsive and aggressive responses toward other drivers.Correct
Alcohol primarily affects driver behavior by causing impulsive and aggressive responses. This alteration occurs because alcohol depresses the central nervous system, reducing control capacity and increasing irritability. A driver under the effects of alcohol is more likely to react violently or disproportionately to normal traffic situations.