South Carolina: Alcohol and drugs — Part 2 Practice Test
Questions in this part include: “What may happen to your license if you refuse implied consent testing?” · “How can the effects of other drugs compare with those of alcohol?”
Independent educational site · not affiliated with any government agency or DMV
Ready? Test yourself
- Instant feedback with an explanation
- Every answer cites its source in the manual
- Your best score is saved on this device
- Keyboard: press 1 to 4 to answer and Enter for the next question
Questions are original and based on the official manual "South Carolina Driver's Manual" (2026 (posted April 2026)), South Carolina Department of Motor Vehicles.
All 18 questions in this practice test
Take the test above first, then use this list to study. Tap “Show answer” to see the correct answer and explanation.
Show the questions and answersHide the questions
-
What is the lowest BAC at which a driver 21 or older may have the license and driving privileges suspended, even without a DUI conviction?
- 0.10 percent
- 0.12 percent
- 0.15 percent
- 0.13 percent
Show answer
Correct answer: 0.15 percent
The manual says a BAC of 0.15 percent or more can lead to suspension of your license.
Source: South Carolina Driver's Manual (2026 (posted April 2026)), page 3-7 · Open this page in the manual (Manual page 3-7)
-
What may happen to your license if you refuse implied consent testing?
- Nothing happens to your license if it is your first refusal
- Your driver's license and driving privileges may be suspended
- You will only receive a written warning from the officer
- You will be asked to retake the written knowledge test
Show answer
Correct answer: Your driver's license and driving privileges may be suspended
Refusing implied consent testing can lead to suspension of your license and driving privileges.
Source: South Carolina Driver's Manual (2026 (posted April 2026)), page 3-7 · Open this page in the manual (Manual page 3-7)
-
Under the law, you can still be convicted of driving impaired if you have a BAC below 0.05 in combination with what?
- Fatigue from a long trip without any rest stops
- A passenger who is also drinking alcohol in the vehicle
- Driving at night in poor weather on a wet road
- Drugs, including prescription and over-the-counter medications
Show answer
Correct answer: Drugs, including prescription and over-the-counter medications
A lower BAC combined with drugs, including prescription and over-the-counter medications, can still lead to an impaired driving conviction.
Source: South Carolina Driver's Manual (2026 (posted April 2026)), page 3-7 · Open this page in the manual (Manual page 3-7)
-
If you are under 21, what is the lowest BAC that gets your privilege to drive suspended immediately?
- 0.04 percent
- 0.06 percent
- 0.02 percent
- 0.10 percent
Show answer
Correct answer: 0.02 percent
For drivers under 21, a BAC of 0.02 percent or greater means an immediate suspension of the privilege to drive.
Source: South Carolina Driver's Manual (2026 (posted April 2026)), page 3-7 · Open this page in the manual (Manual page 3-7)
-
For how long is the driving privilege of a driver under 21 who registers a BAC of 0.02 percent or greater suspended immediately?
- At least three months
- At least nine months
- At least eighteen months
- At least twelve months
Show answer
Correct answer: At least three months
The privilege is suspended immediately for at least three months.
Source: South Carolina Driver's Manual (2026 (posted April 2026)), page 3-7 · Open this page in the manual (Manual page 3-7)
-
If you are under 21 and refuse to take the test(s) for intoxicants, how long do you immediately lose your driving privileges?
- At least nine months
- At least one year
- At least two years
- At least six months
Show answer
Correct answer: At least six months
A driver under 21 who refuses the tests immediately loses driving privileges for at least six months.
Source: South Carolina Driver's Manual (2026 (posted April 2026)), page 3-7 · Open this page in the manual (Manual page 3-7)
-
How is an alcohol concentration test usually determined?
- By a written test
- By a breath, blood, or urine test
- By a walk-and-turn test only
- By a driving test
Show answer
Correct answer: By a breath, blood, or urine test
Alcohol concentration is usually measured with a breath, blood, or urine test.
Source: South Carolina Driver's Manual (2026 (posted April 2026)), page 3-8 · Open this page in the manual (Manual page 3-8)
-
Why are you required to take breath, blood, and urine tests if asked by a police officer?
- Because of SC's implied consent law
- Because of the Hands-Free and Distracted Driving Act
- Because you are under 21
- Because you were driving at night
Show answer
Correct answer: Because of SC's implied consent law
SC's implied consent law requires these tests when a police officer asks.
Source: South Carolina Driver's Manual (2026 (posted April 2026)), page 3-8 · Open this page in the manual (Manual page 3-8)
-
What principle is SC's implied consent law based on?
- You may decline the test if you say you have not been drinking
- You must take a test only after you are in a crash
- Getting your license means you have agreed to a lawfully requested test
- Only drivers who are under 21 can be asked to take a test
Show answer
Correct answer: Getting your license means you have agreed to a lawfully requested test
By getting your license you are considered to have agreed to a lawfully requested alcohol test if suspected of impaired driving.
Source: South Carolina Driver's Manual (2026 (posted April 2026)), page 3-8 · Open this page in the manual (Manual page 3-8)
-
To which state's implied consent law are you subject when arrested for impaired driving?
- The state that issued your license
- The state where your vehicle is registered
- The state where you live
- The state where you were arrested
Show answer
Correct answer: The state where you were arrested
Implied consent applies in the state where you were arrested, not where you got your license.
Source: South Carolina Driver's Manual (2026 (posted April 2026)), page 3-8 · Open this page in the manual (Manual page 3-8)
-
How can the effects of other drugs compare with those of alcohol?
- They are always milder than the effects of alcohol
- They only affect your hearing and sense of smell
- They can be similar to or worse than alcohol
- They wear off before you can drive away
Show answer
Correct answer: They can be similar to or worse than alcohol
Many drugs can affect driving in ways similar to, or worse than, alcohol.
Source: South Carolina Driver's Manual (2026 (posted April 2026)), page 3-8 · Open this page in the manual (Manual page 3-8)
-
Which over-the-counter drugs can make you drowsy and affect your driving?
- Those taken for headaches, colds, allergies, or to calm nerves
- Only those taken for stomach problems or sore throats
- Only vitamins and herbal supplements taken daily
- Only those taken for muscle pain or cuts
Show answer
Correct answer: Those taken for headaches, colds, allergies, or to calm nerves
The manual lists drugs for headaches, colds, allergies, or calming nerves as ones that can make you drowsy.
Source: South Carolina Driver's Manual (2026 (posted April 2026)), page 3-9 · Open this page in the manual (Manual page 3-9)
-
What can pep pills, “uppers,” and diet pills do to a driver?
- Make you very drowsy and slow your reaction time
- Improve your vision and your ability to concentrate
- Make you more alert and focused for longer drives
- Make you feel nervous, dizzy, and unable to concentrate
Show answer
Correct answer: Make you feel nervous, dizzy, and unable to concentrate
These drugs can cause nervousness, dizziness, and trouble concentrating, and may affect vision.
Source: South Carolina Driver's Manual (2026 (posted April 2026)), page 3-9 · Open this page in the manual (Manual page 3-9)
-
If you are not sure whether it is safe to take a drug and drive, whom does the manual say to ask?
- A police officer on duty
- Your doctor or pharmacist
- A SCDMV driving examiner
- A passenger in your car
Show answer
Correct answer: Your doctor or pharmacist
Your doctor or pharmacist can tell you about any known side effects.
Source: South Carolina Driver's Manual (2026 (posted April 2026)), page 3-9 · Open this page in the manual (Manual page 3-9)
-
Before taking an over-the-counter drug you will drive after, what should you check?
- The label for warnings about its effect
- The price printed on the package label
- The country where the product was made
- The color of the pills or tablets
Show answer
Correct answer: The label for warnings about its effect
The manual says to check the label for warnings about the drug's effect.
Source: South Carolina Driver's Manual (2026 (posted April 2026)), page 3-9 · Open this page in the manual (Manual page 3-9)
-
Which abilities can some prescription drugs affect, in ways similar to alcohol?
- Only your hearing and sense of smell
- Only your balance and ability to walk
- Reflexes, judgment, vision, and alertness
- Only your appetite and sleeping habits
Show answer
Correct answer: Reflexes, judgment, vision, and alertness
Some prescription drugs can affect your reflexes, judgment, vision, and alertness like alcohol does.
Source: South Carolina Driver's Manual (2026 (posted April 2026)), page 3-9 · Open this page in the manual (Manual page 3-9)
-
If you are convicted in SC of driving while under the influence of drugs, how is the conviction treated?
- As a minor traffic violation
- Like a DUI or DUAC conviction
- As a warning with no record
- As a Hands-Free Act violation
Show answer
Correct answer: Like a DUI or DUAC conviction
A conviction for driving under the influence of drugs is treated like a DUI or DUAC conviction.
Source: South Carolina Driver's Manual (2026 (posted April 2026)), page 3-9 · Open this page in the manual (Manual page 3-9)
-
Why should you never drink alcohol while taking other drugs, including prescription or over-the-counter drugs?
- The alcohol makes the drugs wear off faster, so you can drive sooner
- The drugs make alcohol show up less on a breath or blood test
- The drugs only matter when they are taken at night
- They could multiply the effects of alcohol or have extra effects of their own
Show answer
Correct answer: They could multiply the effects of alcohol or have extra effects of their own
Other drugs could multiply alcohol's effects or have their own additional effects.
Source: South Carolina Driver's Manual (2026 (posted April 2026)), page 3-9 · Open this page in the manual (Manual page 3-9)