2025 MT MVD Practice Test 19
Based on
2025 MT Driver's Handbook
9. Which of the following substances can impair your ability to drive safely and may result in an arrest for driving under the influence of intoxicants (DUII)?
A
All the others.
B
An inhalant, such as glue or paint.
C
A controlled substance, such as illegal drugs or prescription medicines.
D
Alcohol, including beer, wine and other liquor.