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: Alaska Practice Test 12 Colorado Practice Test 3 District Of Columbia Practice Test 19 Florida Practice Test 20 Florida Practice Test 32 Hawaii Practice Test 9 Idaho Practice Test 20 Idaho Practice Test 11 Indiana Practice Test 16 Iowa Practice Test 18 Louisiana Practice Test 9 Maine Practice Test 14 Massachusetts Practice Test 6 Michigan Practice Test 41 Michigan Practice Test 6 Minnesota Practice Test 33 Missouri Practice Test 6 Montana Practice Test 23 Montana Practice Test 26 Nevada Practice Test 31 Nevada Practice Test 19 New Hampshire Practice Test 5 New Hampshire Practice Test 21 New Jersey Practice Test 33 New Jersey Practice Test 34 New York Practice Test 8 New York Practice Test 14 North Carolina Practice Test 29 North Dakota Practice Test 6 Oklahoma Practice Test 5 Oregon Practice Test 27 Texas Practice Test 9 Utah Practice Test 4 Vermont Practice Test 3 Virginia Practice Test 32 West Virginia Practice Test 20 Wisconsin Practice Test 33