Practice Test Geeks(MS DMV) Mississippi Department of Motor Vehicle Practice Test
← All MS DMV Flashcard Decks

Alcohol, Drugs, and Impaired Driving Flashcards

7 cards from real MS DMV practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.

Read the first 7 Alcohol, Drugs, and Impaired Driving flashcards as text

  1. What is the BAC limit for commercial vehicle drivers in Mississippi?

    Answer: 0.04%

    Commercial drivers are held to a stricter standard — a BAC of 0.04% or higher is considered DUI for commercial vehicle operators in Mississippi.

  2. A second DUI conviction in Mississippi within five years results in which of the following?

    Answer: License suspension for up to 1 year and mandatory jail time of 5 days

    A second DUI within five years in Mississippi carries a mandatory minimum of 5 days in jail and a license suspension of up to one year.

  3. What happens to your Mississippi driver's license after a third DUI conviction?

    Answer: It is revoked for 5 years

    A third DUI conviction in Mississippi results in a 5-year license revocation, reflecting the serious nature of repeat impaired driving.

  4. Which of the following best describes the 'implied consent' law in Mississippi?

    Answer: By driving in Mississippi, you agree to submit to chemical testing if lawfully arrested for DUI

    Implied consent means that by driving on Mississippi roads, you have already agreed to submit to BAC testing if an officer has probable cause to arrest you for DUI.

  5. Approximately how long does it take the body to eliminate one standard drink of alcohol?

    Answer: 1 hour

    The body metabolizes approximately one standard drink per hour; no amount of coffee, food, or water can speed up this process.

  6. Which of the following actions does NOT reduce your BAC level after drinking?

    Answer: All of the above — none reduce BAC

    Coffee, food, and cold showers do not reduce BAC; only time and the body's natural metabolism can lower blood alcohol levels.

  7. In Mississippi, what is an Ignition Interlock Device (IID) and when may it be required?

    Answer: A breath-test device wired to the ignition, required after DUI convictions

    An IID is a breath-test device connected to a vehicle's ignition; it prevents the car from starting if the driver's BAC is above a programmed limit and may be required after DUI convictions in Mississippi.

How this page was made: written with AI tools and published by Nathan Beja, founder of Practice Test Geeks, who is responsible for its content. Exam facts are checked against the official sources listed below. Not reviewed by a subject-matter expert. Editorial policy

Sources & references

Exam facts on this page (fees, format, dates, passing scores) are checked against these official sources; the date is our last check. Editorial policy

  1. driverservicebureau.dps.ms.gov — Exam format, score validity, test delivery, eligibility, fees, retake policy, exam information · verified Oct 2026