1
DRE Final Knowledge Exam | Latest Update
2026/2027 | 200 Questions and Verified
Answers | Drug Recognition Expert
Certification Prep | A+ Graded
1. What does DRE stand for?
A. Drug Recognition Examiner
B. Drug Recognition Expert
C. Driving Recovery Evaluator
D. Drug Reaction Evaluator
Correct Answer: B
Explanation: DRE stands for Drug Recognition Expert—a law enforcement
officer trained to recognize impairment in drivers under the influence of
drugs other than, or in addition to, alcohol. The International Association of
Chiefs of Police (IACP) coordinates the International Drug Evaluation and
Classification (DEC) Program with support from the National Highway Traffic
Safety Administration (NHTSA) .
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2. How many systematic and standardized steps are performed in a
complete DRE drug influence evaluation?
A. 8
B. 10
C. 12
D. 15
Correct Answer: C
Explanation: There are 12 systematic and standardized steps performed in a
complete DRE drug influence evaluation. These steps provide a structured
approach to identifying drug impairment .
3. What is the first step of the 12-step DRE evaluation process?
A. Interview of the Arresting Officer
B. Breath Alcohol Test
C. Preliminary Examination
D. Eye Examination
Correct Answer: B
Explanation: The first step of the 12-step DRE protocol is the Breath Alcohol
, 3
Test. This step is conducted first to rule out or confirm alcohol impairment
before proceeding with the drug evaluation .
4. Which step of the DRE evaluation involves interviewing the officer who
made the initial stop?
A. Step 1
B. Step 2
C. Step 3
D. Step 4
Correct Answer: B
Explanation: Step 2 is the Interview of the Arresting Officer. This step involves
gathering information from the arresting officer about the subject's
behavior, statements, and any drugs or paraphernalia observed .
5. The preliminary examination and first pulse measurement occurs in
which step?
, 4
A. Step 2
B. Step 3
C. Step 4
D. Step 5
Correct Answer: B
Explanation: Step 3 is the Preliminary Examination and First Pulse. This step
involves an initial assessment of the subject's appearance, behavior, and
vital signs, including the first pulse measurement .
6. The eye examination in the DRE protocol occurs in which step?
A. Step 3
B. Step 4
C. Step 5
D. Step 6
Correct Answer: B
Explanation: Step 4 is the Eye Examinations. This step includes Horizontal
Gaze Nystagmus (HGN), Vertical Gaze Nystagmus (VGN), and Lack of
Convergence (LOC) testing .
DRE Final Knowledge Exam | Latest Update
2026/2027 | 200 Questions and Verified
Answers | Drug Recognition Expert
Certification Prep | A+ Graded
1. What does DRE stand for?
A. Drug Recognition Examiner
B. Drug Recognition Expert
C. Driving Recovery Evaluator
D. Drug Reaction Evaluator
Correct Answer: B
Explanation: DRE stands for Drug Recognition Expert—a law enforcement
officer trained to recognize impairment in drivers under the influence of
drugs other than, or in addition to, alcohol. The International Association of
Chiefs of Police (IACP) coordinates the International Drug Evaluation and
Classification (DEC) Program with support from the National Highway Traffic
Safety Administration (NHTSA) .
, 2
2. How many systematic and standardized steps are performed in a
complete DRE drug influence evaluation?
A. 8
B. 10
C. 12
D. 15
Correct Answer: C
Explanation: There are 12 systematic and standardized steps performed in a
complete DRE drug influence evaluation. These steps provide a structured
approach to identifying drug impairment .
3. What is the first step of the 12-step DRE evaluation process?
A. Interview of the Arresting Officer
B. Breath Alcohol Test
C. Preliminary Examination
D. Eye Examination
Correct Answer: B
Explanation: The first step of the 12-step DRE protocol is the Breath Alcohol
, 3
Test. This step is conducted first to rule out or confirm alcohol impairment
before proceeding with the drug evaluation .
4. Which step of the DRE evaluation involves interviewing the officer who
made the initial stop?
A. Step 1
B. Step 2
C. Step 3
D. Step 4
Correct Answer: B
Explanation: Step 2 is the Interview of the Arresting Officer. This step involves
gathering information from the arresting officer about the subject's
behavior, statements, and any drugs or paraphernalia observed .
5. The preliminary examination and first pulse measurement occurs in
which step?
, 4
A. Step 2
B. Step 3
C. Step 4
D. Step 5
Correct Answer: B
Explanation: Step 3 is the Preliminary Examination and First Pulse. This step
involves an initial assessment of the subject's appearance, behavior, and
vital signs, including the first pulse measurement .
6. The eye examination in the DRE protocol occurs in which step?
A. Step 3
B. Step 4
C. Step 5
D. Step 6
Correct Answer: B
Explanation: Step 4 is the Eye Examinations. This step includes Horizontal
Gaze Nystagmus (HGN), Vertical Gaze Nystagmus (VGN), and Lack of
Convergence (LOC) testing .
