Driver's License Test Prep
Texas Practice DUI & Impaired Driving

According to the manual, about how long does the body take to rid itself of each drink consumed?

  1. A.
    About one hour Correct
  2. B.
    About four hours
  3. C.
    About fifteen minutes
  4. D.
    About thirty minutes
The Why

The answer is "About one hour"

The manual gives about one hour per drink as the body's clearance rate. Anyone landing on D is rounding the clearance figure down to fit the wishful notion that a short wait before driving is enough.

Why the others miss

The traps in the wrong answers

B. About four hours

Four hours exceeds what the manual states for a single drink. This answer guesses long to be safe, without matching the answer to the specific figure the manual prints.

C. About fifteen minutes

Fifteen minutes is far shorter than the manual's clearance rate. This answer reads the buzz starting to fade as the alcohol being fully cleared, which is not how the manual describes it.

D. About thirty minutes

Half an hour underestimates the manual's roughly one-hour figure. This answer rounds the clearance number down to fit the myth that a short wait before driving is enough.

The Rule

This question tests your knowledge of DUI & Impaired Driving in Texas. Source: Texas Driver Manual, "Myths about Drinking Alcohol," p.56..

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