MO DMV Alcohol and Drug Impairment Laws 3

Question 1

What is the BAC limit for drivers operating a commercial motor vehicle in Missouri?

Accepted Answer

0.04%

Answer

Commercial drivers are held to a stricter 0.04% BAC limit while operating a CMV.

Question 2

By driving on Missouri roads, you have automatically agreed to:

Accepted Answer

Submit to a chemical test of breath, blood, saliva, or urine if arrested for DWI

Answer

Missouri's Implied Consent law means all drivers agree to chemical testing when lawfully arrested for an intoxication offense.

Question 3

A driver convicted of a second intoxication-related offense in Missouri may be required to install what device?

Accepted Answer

An ignition interlock device

Answer

Repeat DWI offenders must install an ignition interlock device that prevents the engine from starting if alcohol is detected.

Question 4

Approximately how much alcohol is in a standard 12-ounce beer compared to a 1.5-ounce shot of 80-proof liquor?

Accepted Answer

About the same amount of alcohol

Answer

A standard beer, glass of wine, and shot of liquor each contain roughly the same amount of alcohol.

Question 5

Which of the following is the ONLY effective way to remove alcohol from the body?

Accepted Answer

Time

Answer

Only time allows the liver to metabolize alcohol; coffee, showers, and food do not speed up the process.

(MO DMV) Missouri Department of Motor Vehicle Practice Test