2024 RI DMV Practice Test 17 Based on 2024 RI Driver's Handbook 9. A person's ability to drive safely can be impaired by A lack of sleep B All the others. C alcohol D drugs, even if they are prescribed by a doctor Next More 9/30 Progress 0 Errors Restart Next Next RI Permit Practice Test 17 Back to Test List RI Permit Practice Test 16 RI Permit Practice Test 18 Challenge Library 12 More RI DMV Practice Tests 1 RI Permit Practice Test 1 2 RI Permit Practice Test 2 18 RI Permit Practice Test 18 19 RI Permit Practice Test 19 20 RI Permit Practice Test 20 21 RI Permit Practice Test 21 22 RI Permit Practice Test 22 23 RI Permit Practice Test 23 24 RI Permit Practice Test 24 25 RI Permit Practice Test 25