» Your ability to drive safely can be impaired by:

Your ability to drive safely can be impaired by:

Alcohol.
Drugs, even if they are over-the-counter.
Lack of sleep.
All of the above.
Explanation

Alcohol, drugs, and lack of sleep all impair your driving ability. Alcohol and drugs can cause physical effects that reduce your reflexes, physical control over the vehicle, and your ability to recognize and react to dangerous situations. Sleep deprivation can cause fatigue which dulls the mind and reduces your ability to act quickly and correctly.

Answer Statistics

🟡 This question is moderately difficult — 23% of our users answer it incorrectly.

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This question appears in the following DMV practice tests:
New Mexico MVD Practice Test 2Utah DMV Practice Test 2Rhode Island DMV Practice Test 3Tennessee DMV Practice Test 3Oregon DMV Practice Test 4North Dakota DMV Practice Test 4Missouri DMV Practice Test 6New Hampshire DMV Practice Test 6South Dakota DMV Practice Test 6Indiana BMV Practice Test 7