Question Drinking coffee after drinking alcohol: Answers Decreases blood alcohol concentration. Cancels the effect of the alcohol. Has no effect on blood alcohol concentration. Increases blood alcohol concentration. Explanation Drinking coffee will not reduce your blood alcohol concentration (BAC). While it may help you to stay awake, it cannot change your BAC or make you sober. Pass your DMV Written Test with flying colors Take me to the cheat sheet New York This questions appears in the following tests: Michigan Practice Test 1 Alaska Practice Test 2 Alaska Practice Test 2 Colorado Practice Test 2 District Of Columbia Practice Test 13 Florida Practice Test 16 Florida Practice Test 41 Florida Practice Test 14 Hawaii Practice Test 24 Idaho Practice Test 30 Indiana Practice Test 30 Indiana Practice Test 29 Indiana Practice Test 36 Iowa Practice Test 29 Louisiana Practice Test 10 Maine Practice Test 13 Maine Practice Test 51 Massachusetts Practice Test 14 Massachusetts Practice Test 10 Michigan Practice Test 32 Michigan Practice Test 41 Michigan Practice Test 23 Minnesota Practice Test 27 Missouri Practice Test 20 Missouri Practice Test 24 Montana Practice Test 13 Nevada Practice Test 22 Nevada Practice Test 8 Nevada Practice Test 37 New Hampshire Practice Test 30 New Jersey Practice Test 46 New Jersey Practice Test 37 New Jersey Practice Test 20 New York Practice Test 20 New York Practice Test 4 North Carolina Practice Test 10 North Dakota Practice Test 8 Oklahoma Practice Test 11 Oklahoma Practice Test 12 Oregon Practice Test 12 Texas Practice Test 1 Utah Practice Test 4 Utah Practice Test 6 Vermont Practice Test 6 Virginia Practice Test 31 West Virginia Practice Test 16 Wisconsin Practice Test 4