Question

alcohol first affects a driver by
a distorting color perception.
b improving the ability to judge distance.
c decreasing reaction time.
d impairing judgment and reason.

Explanation:

Alcohol impairs cognitive - related functions first in drivers. It affects the brain's ability to make sound judgments and rational decisions. Color perception is not the first - affected aspect. Alcohol does not improve distance - judging ability or decrease reaction time; rather, it has negative impacts on these.

Answer:

D. impairing judgment and reason