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Alcohol, Drugs, and Driving Flashcards

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

Read the first 6 Alcohol, Drugs, and Driving flashcards as text

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

    Answer: 0.04%

    Commercial drivers are held to a stricter 0.04% BAC limit because of the greater danger posed by large vehicles.

  2. Prescription medications that cause drowsiness:

    Answer: Can impair driving just as much as alcohol

    Drowsiness-causing medications significantly impair reaction time and judgment, making driving dangerous regardless of a valid prescription.

  3. What is the minimum jail time for a first DUI conviction in South Carolina?

    Answer: 48 hours

    A first DUI conviction in SC carries a mandatory minimum of 48 hours in jail or 48 hours of public service along with fines and license suspension.

  4. Under SC's DUI law, a 'habitual offender' designation can result after how many DUI convictions?

    Answer: 3 convictions within 5 years

    Three DUI convictions within a 5-year period in SC can lead to a habitual offender designation, resulting in lengthy license revocation.

  5. What is an ignition interlock device (IID) and when may it be required in South Carolina?

    Answer: A breath test device installed in a car, required after certain DUI convictions

    An IID requires the driver to provide a clean breath sample before the vehicle will start, and is required for DUI offenders as a condition of restricted license.

  6. In South Carolina, driving under the influence of marijuana is:

    Answer: Illegal, even if marijuana was legally obtained

    SC DUI law covers any impairing substance, including marijuana; impaired driving is illegal regardless of how or where the substance was obtained.