North Carolina Alcohol & Drugs practice test

Practice blood alcohol limits, DUI rules and medication: 26 questions based on the North Carolina Driver Handbook, 8 of them on North Carolina's own rules.

Key North Carolina facts: Alcohol & Drugs

Sample Alcohol & Drugs questions

What is the penalty for refusing a required chemical test in North Carolina?

  • Immediate revocation plus a further revocation of at least 12 months
  • A one-week license suspension if you have no earlier record
  • A court fine with no effect on your driver license at all
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Immediate revocation plus a further revocation of at least 12 months

You lose your license at once for at least 30 days, then the DMV adds at least 12 more months.

Source: North Carolina Driver Handbook, Chapter 2, Alcohol and the Law: Driving While Impaired (pp. 31-32)

What does alcohol do to your judgment of speed and distance, according to the North Carolina handbook?

  • It makes both easier to judge
  • It affects neither of them
  • It makes both harder to judge
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It makes both harder to judge

It also gives false confidence, so you may take greater risks than usual.

Source: North Carolina Driver Handbook, Chapter 4, Your Driving: Alcohol (p. 42)

At what blood alcohol level is it illegal to drive a commercial motor vehicle?

  • 0.08 percent or more
  • 0.10 percent or more
  • 0.04 percent or more
  • 0.15 percent or more
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0.04 percent or more

Commercial drivers have a stricter limit of 0.04 percent, half the usual adult limit.

Source: California Driver's Handbook, Section 9, Alcohol and Drugs: Blood Alcohol Concentration Limits; Pennsylvania Driver's Manual (PUB 95), Chapter 4, Driving Record Information: DUI Penalties; Georgia Drivers' Manual, Section 10: Losing Your Driving Privileges, Commercial Driver Disqualifications; North Carolina Driver Handbook, Alcohol and the Law: Driving While Impaired, PDF p. 33; New Jersey Driver Manual, Chapter 7, Commercial Motor Vehicle Penalties, PDF p. 129; Ohio Driver Manual, Digest of Motor Vehicle Laws, Section 6: State Laws and Penalties, Alcohol and the Law; Missouri Driver Guide, Chapter 10, Alcohol, PDF p. 73; Arizona Driver License Manual and Customer Service Guide, Section 5, Actively Avoiding Crashes: DUI Penalties (p. 65); Minnesota Driver's Manual, Chapter 8, Minnesota Driving While Impaired (DWI) law, p. 93; Alabama Driver Manual, Chapter 4, The Driver, Driving While Under the Influence, PDF p. 35; Louisiana Class D & E Driver's Guide, Chapter 9, Driving Offenses, Blood Alcohol Concentration, PDF p. 128; Colorado Driver Handbook (DR 2337), Driving Under the Influence, printed p. 3 (PDF p. 6); Connecticut General Statutes § 14-227a, Subsection (a), elevated blood alcohol content in a commercial motor vehicle (2026 Supplement); Utah Driver Handbook, Section 10, C. Alcohol and the Law, PDF p. 62; Nevada Driver's Handbook, Chapter 10, Penalties for DUI, PDF p. 80; Driver Service Bureau, FAQ on DUI Offenses and Driving Privileges (Aug. 2025), Suspensions Subsequent to Conviction, PDF p. 12 (printed p. 11); Idaho Driver's Handbook, Driving Under the Influence, PDF p. 131; New Mexico MVD, DWI FAQ, What is required for administrative revocation for DWI?; Nebraska Driver's Manual, Section 2A, Alcohol, Drugs, and Driving, PDF p. 32; 21 Del. C. § 4177M, 21 Del. C. § 4177M(a); Montana Code Annotated 2025, Title 61, § 61-8-1002, MCA (driving under influence); SDCL 32-12A-44, SDCL 32-12A-44; D.C. Official Code § 50, D.C. Official Code § 50-2206.01(9)(B); 23 V.S.A. § 1201, 23 V.S.A. § 1201(a)(1)(C); Alaska Driver Manual (REV. 10/2025), Revocation (0.04 for commercial vehicles), PDF p. 17

Besides fines and license penalties, what are DUI offenders often required to complete?

  • A new vision test
  • An alcohol or drug education or assessment program
  • A motorcycle safety course
  • A first-aid class
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An alcohol or drug education or assessment program

Courts and licensing agencies often require an alcohol or drug program or assessment before driving privileges come back.

Source: California Driver's Handbook, Section 9, Alcohol and Drugs: DUI Convictions; North Carolina Driver Handbook, Alcohol and the Law, PDF p. 34; Pennsylvania Driver's Manual (PUB 95), Chapter 4, Driving Record Information: DUI Penalties; New Jersey Driver Manual, Chapter 7, Driving Under the Influence: Mandatory Penalties, PDF p. 125; Official Florida Driver License Handbook, Licensed DUI Programs, PDF p. 26; Arizona Driver License Manual and Customer Service Guide, Section 5, Actively Avoiding Crashes: DUI Penalties (p. 66); Tennessee Comprehensive Driver License Manual, Section B, Chapter 7, Additional DUI Penalties (p. 82); Louisiana Class D & E Driver's Guide, Chapter 9, Driving Offenses, Penalty for Driving While Intoxicated (substance abuse treatment, driver improvement programs), PDF pp. 129-130; Kentucky Driver Manual, Section One, Driver Substance Abuse Education Program, PDF p. 26; South Carolina Code of Laws, Title 56, Chapter 5, § 56-5-2933(H); Oklahoma Driver Manual, Chapter 12, Alcohol, Drugs and Driving, additional costs of an alcohol-related arrest (ADSAC evaluation), p. 66; Nevada Driver's Handbook, Chapter 10, Penalties for DUI, PDF p. 80; Iowa Code 2026, §321J.2, §321J.2(3)(e); Arkansas DFA Office of Driver Services, DUI, DWI, BUI, BWI Offenses page, Reinstatement requirements (Ark. Code 5-65-205); Driver Service Bureau, FAQ on DUI Offenses and Driving Privileges (Aug. 2025), I paid my DUI fines, PDF p. 3 (printed p. 2); K.S.A. 8-1567, K.S.A. 8-1567(b)(4); Idaho Code, Idaho Code 18-8005(11) (alcohol evaluation by an approved provider); New Mexico Driver Manual, Alcohol and The Law, PDF p. 32 (treatment ordered after a first DWI conviction); Hawaii Revised Statutes, HRS §291E-61(b)(1)(A), (b)(2)(A); West Virginia Code §17C-5-2, W. Va. Code §17C-5-2(r); Delaware Driver Manual (July 2026), Section Two, Delaware Specific Penalties And Procedures, PDF p. 56; Montana Code Annotated 2025, Title 61, § 61-8-1009, MCA (assessment, education, and treatment required); Maine Driver's License Manual (Rev 4/24), Section 3, If you are Convicted of OUI (education and treatment program), PDF p. 32; R.I. Gen. Laws § 31-27-2, R.I. Gen. Laws § 31-27-2(d)(1); 18 DCMR § 306, 18 DCMR § 306.11; North Dakota Noncommercial Driver License Manual 2025-2027 (Class D), What happens if you're convicted, PDF p. 41; RSA 265-A:18, RSA 265-A:18, paragraph I(a)(4); Vermont Driver's Manual (VN-007, 2025 edition), Ch. 7, Other Drugs, PDF p. 54; Wyoming Statutes Title 31, W.S. 31-5-233(e), W.S. 31-5-233(e)

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About these questions

We wrote these practice questions from the facts in the North Carolina Driver Handbook (Revised May 2025 (printed 09/25; PDF file updated September 2026) edition) and from official sources on road signs. Every answer links to its source, so you can check it and read more.

DMV Decoded is an independent guide, not a government agency. This practice test is not connected to the North Carolina Division of Motor Vehicles, and your actual test will have different questions. Study the handbook, and check the agency's website for current rules.