Question A person's ability to drive can be impaired by: Answers Alcohol. Any medication. A lack of sleep. All of the above. Explanation The ability to drive safely is dependent on the driver being in good physical condition. Driving can be impaired by alcohol, legal and illegal drugs, and being drowsy. Pass your DMV Written Test with flying colors Take me to the cheat sheet Vermont This questions appears in the following tests: Oregon Practice Test 11 Colorado Practice Test 2 Florida Practice Test 35 Hawaii Practice Test 21 Idaho Practice Test 22 Indiana Practice Test 50 Louisiana Practice Test 29 Maine Practice Test 52 Massachusetts Practice Test 25 Michigan Practice Test 2 Minnesota Practice Test 37 Missouri Practice Test 20 Montana Practice Test 12 Nevada Practice Test 14 New Hampshire Practice Test 13 New Jersey Practice Test 26 New Mexico Practice Test 13 North Carolina Practice Test 2 North Dakota Practice Test 24 Oregon Practice Test 4 Rhode Island Practice Test 7 South Carolina Practice Test 20 Texas Practice Test 4 Utah Practice Test 14 Vermont Practice Test 19 Virginia Practice Test 3 Washington Practice Test 25 West Virginia Practice Test 7 Wisconsin Practice Test 15 Colorado Practice Test 12 Florida Practice Test 8 Hawaii Practice Test 24 Idaho Practice Test 27 Indiana Practice Test 28 Louisiana Practice Test 13 Maine Practice Test 32 Massachusetts Practice Test 16 Michigan Practice Test 1 Michigan Practice Test 29 Michigan Practice Test 40 Minnesota Practice Test 16 Missouri Practice Test 24 Montana Practice Test 18 Nevada Practice Test 50 New Hampshire Practice Test 35 New Jersey Practice Test 5 New Mexico Practice Test 24 North Carolina Practice Test 16 North Dakota Practice Test 12 Rhode Island Practice Test 15 South Carolina Practice Test 28 Texas Practice Test 12 Utah Practice Test 7 Vermont Practice Test 14 Virginia Practice Test 10 Washington Practice Test 11 West Virginia Practice Test 9 Wisconsin Practice Test 25