DRE QUESTIONS WITH CORRECT
ANSWERS 2026-2027
In the spaces provided, list the seven DRE drug categories and provide one example of a specifi
c drug for each category. - CORRECT ANSWER -CNS Depressants
CNS Stimulants
Hallucinogens
Dissociative Anesthetics
Narcotic Analgesics
Inhalants
Cannabis
Define the term "drug" as it is used in the Drug Evaluation and Classification Program. (Must be
verbatim.) - CORRECT ANSWER -
Any substance that, when taken into the human body, can impair the ability of the person to o
perate a vehicle safely.
Which two DRE drug categories usually cause a lowering of the pulse rate and blood pressure?
- CORRECT ANSWER -CNS Depressants, Narcotic Analgesics
Which DRE drug categories usually cause a Lack of Convergence? - CORRECT ANSWER -
CNS Depressants, Inhalants, Dissociative Anesthetics, Cannabis
What three DRE drug categories usually cause Horizontal Gaze Nystagmus? -
CORRECT ANSWER -CNS Depressants, Inhalants, Dissociative Anesthetics
In blood pressure measurements, what is the higher number called? - CORRECT ANSWER -
Systolic
,What period of time must the subject estimate during the Modified Romberg Balance test? -
CORRECT ANSWER -30 seconds
The DRE average range of pupil size in room light is ? - CORRECT ANSWER -
2.5 mm to 5.0 mm
What is the name of the pulse point located at the crease of the wrist? - CORRECT ANSWER -
Radial
Which of the following DRE drug category(s) usually slow the reaction of the pupils to light?
A. Narcotic Analgesics
B. CNS Stimulants
C. Dissociative Anesthetics
D. Cannabis - CORRECT ANSWER -B - CNS Stimulants
How many validated clues have been established for the Finger to Nose test? -
CORRECT ANSWER -None
Chloral Hydrate belongs to which DRE drug category? - CORRECT ANSWER -CNS Depressants
Which of the following is not part of a DRE drug influence evaluation?
A. One Leg Stand
B. Breath Test
C. Finger Count
D. Officer Observations - CORRECT ANSWER -C - Finger Count
, Where in the body is most alcohol metabolized? - CORRECT ANSWER -Liver
How many validated clues have been established for the Walk and Turn test? -
CORRECT ANSWER -8
What is the DRE average range of adult pulse rate? - CORRECT ANSWER -60-90 bpm
Once alcohol is consumed, most passes through the stomach into which organ where it passes
quickly into the blood? - CORRECT ANSWER -Small Intestine
The DRE average range for the higher value of blood pressure (Systolic) is ?-
CORRECT ANSWER -120-140 mmHg
The active impairing chemical in Cannabis is ? - CORRECT ANSWER -THC
The DRE average range for the lower value of blood pressure (Diastolic) is ?-
CORRECT ANSWER -70-90 mmHg
Which of the following drugs usually do not increase pulse rate?
A. Heroin
B. Cannabis
C. Ketamine
D. Methamphetamine - CORRECT ANSWER -A - Heroine
ANSWERS 2026-2027
In the spaces provided, list the seven DRE drug categories and provide one example of a specifi
c drug for each category. - CORRECT ANSWER -CNS Depressants
CNS Stimulants
Hallucinogens
Dissociative Anesthetics
Narcotic Analgesics
Inhalants
Cannabis
Define the term "drug" as it is used in the Drug Evaluation and Classification Program. (Must be
verbatim.) - CORRECT ANSWER -
Any substance that, when taken into the human body, can impair the ability of the person to o
perate a vehicle safely.
Which two DRE drug categories usually cause a lowering of the pulse rate and blood pressure?
- CORRECT ANSWER -CNS Depressants, Narcotic Analgesics
Which DRE drug categories usually cause a Lack of Convergence? - CORRECT ANSWER -
CNS Depressants, Inhalants, Dissociative Anesthetics, Cannabis
What three DRE drug categories usually cause Horizontal Gaze Nystagmus? -
CORRECT ANSWER -CNS Depressants, Inhalants, Dissociative Anesthetics
In blood pressure measurements, what is the higher number called? - CORRECT ANSWER -
Systolic
,What period of time must the subject estimate during the Modified Romberg Balance test? -
CORRECT ANSWER -30 seconds
The DRE average range of pupil size in room light is ? - CORRECT ANSWER -
2.5 mm to 5.0 mm
What is the name of the pulse point located at the crease of the wrist? - CORRECT ANSWER -
Radial
Which of the following DRE drug category(s) usually slow the reaction of the pupils to light?
A. Narcotic Analgesics
B. CNS Stimulants
C. Dissociative Anesthetics
D. Cannabis - CORRECT ANSWER -B - CNS Stimulants
How many validated clues have been established for the Finger to Nose test? -
CORRECT ANSWER -None
Chloral Hydrate belongs to which DRE drug category? - CORRECT ANSWER -CNS Depressants
Which of the following is not part of a DRE drug influence evaluation?
A. One Leg Stand
B. Breath Test
C. Finger Count
D. Officer Observations - CORRECT ANSWER -C - Finger Count
, Where in the body is most alcohol metabolized? - CORRECT ANSWER -Liver
How many validated clues have been established for the Walk and Turn test? -
CORRECT ANSWER -8
What is the DRE average range of adult pulse rate? - CORRECT ANSWER -60-90 bpm
Once alcohol is consumed, most passes through the stomach into which organ where it passes
quickly into the blood? - CORRECT ANSWER -Small Intestine
The DRE average range for the higher value of blood pressure (Systolic) is ?-
CORRECT ANSWER -120-140 mmHg
The active impairing chemical in Cannabis is ? - CORRECT ANSWER -THC
The DRE average range for the lower value of blood pressure (Diastolic) is ?-
CORRECT ANSWER -70-90 mmHg
Which of the following drugs usually do not increase pulse rate?
A. Heroin
B. Cannabis
C. Ketamine
D. Methamphetamine - CORRECT ANSWER -A - Heroine
