Do you have to look or feel intoxicated before alcohol starts to impair your driving?
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A.
No, but only after your BAC exceeds 0.05.
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B.
No, impairment can occur without any outward signs. Correct
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C.
Yes, impairment shows on the face and in speech first.
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D.
Yes, but only for drivers over age 40.
The answer is "No, impairment can occur without any outward signs."
The manual is explicit: you do not have to look or feel intoxicated for these effects to occur. The trap is A, which ties visibility of impairment to a specific BAC number the manual never attaches to that claim; the manual's point is that no cue, visible or numeric, reliably tells you when impairment has started.
The traps in the wrong answers
A. No, but only after your BAC exceeds 0.05.
The manual attaches no BAC figure to when signs appear or fail to appear. This answer ties visibility to a BAC number because a BAC number is what most drivers reach for when asked about a threshold.
C. Yes, impairment shows on the face and in speech first.
The manual denies that visible signs are required; effects occur without them. This answer trusts the movie-drunk picture of slurred speech as the earliest sign the manual actually rules out.
D. Yes, but only for drivers over age 40.
The manual attaches no age condition to when signs appear. This answer applies an age-tolerance idea the manual never mentions.
This question tests your knowledge of Defensive Driving in New York. Source: New York State Driver's Manual, "What Alcohol Does," p.54..
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