SC DMV Permit Alcohol, Drugs, and Impaired Driving

Question 1

What is the legal Blood Alcohol Concentration (BAC) limit for adult drivers in South Carolina?

Accepted Answer

0.08%

Answer

In South Carolina, it is illegal for drivers 21 and older to operate a vehicle with a BAC of 0.08% or higher.

Question 2

What is the legal BAC limit for drivers under 21 in South Carolina?

Accepted Answer

0.02%

Answer

South Carolina has a zero-tolerance policy for underage drinking and driving with a BAC limit of 0.02% for drivers under 21.

Question 3

What does South Carolina's implied consent law mean?

Accepted Answer

You agree to chemical testing if lawfully arrested for DUI

Answer

By driving in SC, you implicitly consent to chemical tests (breath, blood, urine) if lawfully arrested for suspected DUI.

Question 4

What happens to your license if you refuse a breath test in SC after a DUI arrest?

Accepted Answer

Automatic license suspension

Answer

Refusing a breath test in SC results in an automatic license suspension regardless of whether you are convicted of DUI.

Question 5

Which of the following can impair driving similarly to alcohol?

Accepted Answer

All of the above

Answer

Prescription drugs, OTC medications, and illegal substances can all impair judgment, reaction time, and coordination needed for safe driving.

SC DMV Permit - South Carolina DMV Practice Test