DRE QUESTIONS AND CORRECT
DETAILED ANSWERS 2025/2026 VERIFIED
ANSWERS / ALREADY GRADED A+.
Define Drug - ANS -A drug is any substance that, when taken ito the human body can impair
the ability of the person to operate a vehicle safely.
Category and Sub-Category for Valium - ANS -CNS Depressant; Anti-Anxiety Tranquilizer
Define Polydrug use - ANS -Ingesting drugs from two or more categories
What study does 16.3% correlate to? - ANS -The 2007 National Roadside Survey of Alcohol
and Drug Use by Drivers. 16.3% of nighttime drivers tested positive for drugs.
What study does 70% correlate to? - ANS -The Los Angeles Field Validation Study. Slightly
more than 70% of subjects examined had more than one drug in them.
Afferent nerves are also known as what? - ANS -Sensory nerves
Name the artery used to measure blood pressure. - ANS -Brachial
What drugs comprise a "Speedball"? - ANS -Cocaine and Heroin
What did Arizona vs. Blake court case establish? - ANS -The admissibility of HGN as evidence
of alcohol impairment.
Name the correct test sequence for DRE Divided Attention tests. - ANS -Romberg Balance,
Walk-and-turn, One-leg-stand, Finger-to-nose.
Name the 12 standardized and systematic steps in DRE evaluation. - ANS -Breath test,
Interview arresting officer, Preliminary examination, Eye exam, Divided attention, Vital signs,
Dark room, Muscle tone, Injection sites, Suspect statements, Opinion of evaluator, Toxicology.
Pupilometer circles are measured in what increment? - ANS -Millimeters
Define Mydrasis - ANS -Abnormally large or dilated pupils
Define Miosis - ANS -Abnormally small or constricted pupils
, Define Ptosis - ANS -Droopy eyelids
Define nystagmus - ANS -Involuntary jerking of the eyes
BAC = 50 - Angle of Onset - ANS -Formula defining relationship between blood alcohol
concentration and nystagmus onset angle.
Define Sympathomimetic Drug - ANS -A drug that stimulated the Central Nervous System.
The Pulmonary Artery is unique because? - ANS -The Pulmonary artery carries blood depleted
of oxygen.
Define Tachycardia - ANS -Abnormally rapid heart rate.
Define Bradycardia - ANS -Abnormally slow heart rate.
What does the Sphygmomanometer measure? Name the parts and spell it. - ANS
-SPHYGMOMANOMETER
CNS Depressant, HGN? - ANS -Present
CNS Depressant, VGN? - ANS -Present *High Doses
CNS Depressant, LOC? - ANS -Present
CNS Depressant, Pupil Size - ANS -Normal (1) - Soma, Quaaludes and some anti-depressants
usually dilate
CNS Depressant, Reaction to Light - ANS -Slow
CNS Depressant, Pulse Rate - ANS -Down (2) - Quaaludes, ETOH and possibly some
anti-depressants will elevate.
CNS Depressant, Blood Pressure - ANS -Down
CNS Depressant, Body Temperature - ANS -Normal
CNS Depressant, Muscle tone - ANS -Flaccid
CNS Stimulant, HGN? - ANS -None
CNS Stimulant, VGN? - ANS -None
CNS Stimulant, LOC? - ANS -None
DETAILED ANSWERS 2025/2026 VERIFIED
ANSWERS / ALREADY GRADED A+.
Define Drug - ANS -A drug is any substance that, when taken ito the human body can impair
the ability of the person to operate a vehicle safely.
Category and Sub-Category for Valium - ANS -CNS Depressant; Anti-Anxiety Tranquilizer
Define Polydrug use - ANS -Ingesting drugs from two or more categories
What study does 16.3% correlate to? - ANS -The 2007 National Roadside Survey of Alcohol
and Drug Use by Drivers. 16.3% of nighttime drivers tested positive for drugs.
What study does 70% correlate to? - ANS -The Los Angeles Field Validation Study. Slightly
more than 70% of subjects examined had more than one drug in them.
Afferent nerves are also known as what? - ANS -Sensory nerves
Name the artery used to measure blood pressure. - ANS -Brachial
What drugs comprise a "Speedball"? - ANS -Cocaine and Heroin
What did Arizona vs. Blake court case establish? - ANS -The admissibility of HGN as evidence
of alcohol impairment.
Name the correct test sequence for DRE Divided Attention tests. - ANS -Romberg Balance,
Walk-and-turn, One-leg-stand, Finger-to-nose.
Name the 12 standardized and systematic steps in DRE evaluation. - ANS -Breath test,
Interview arresting officer, Preliminary examination, Eye exam, Divided attention, Vital signs,
Dark room, Muscle tone, Injection sites, Suspect statements, Opinion of evaluator, Toxicology.
Pupilometer circles are measured in what increment? - ANS -Millimeters
Define Mydrasis - ANS -Abnormally large or dilated pupils
Define Miosis - ANS -Abnormally small or constricted pupils
, Define Ptosis - ANS -Droopy eyelids
Define nystagmus - ANS -Involuntary jerking of the eyes
BAC = 50 - Angle of Onset - ANS -Formula defining relationship between blood alcohol
concentration and nystagmus onset angle.
Define Sympathomimetic Drug - ANS -A drug that stimulated the Central Nervous System.
The Pulmonary Artery is unique because? - ANS -The Pulmonary artery carries blood depleted
of oxygen.
Define Tachycardia - ANS -Abnormally rapid heart rate.
Define Bradycardia - ANS -Abnormally slow heart rate.
What does the Sphygmomanometer measure? Name the parts and spell it. - ANS
-SPHYGMOMANOMETER
CNS Depressant, HGN? - ANS -Present
CNS Depressant, VGN? - ANS -Present *High Doses
CNS Depressant, LOC? - ANS -Present
CNS Depressant, Pupil Size - ANS -Normal (1) - Soma, Quaaludes and some anti-depressants
usually dilate
CNS Depressant, Reaction to Light - ANS -Slow
CNS Depressant, Pulse Rate - ANS -Down (2) - Quaaludes, ETOH and possibly some
anti-depressants will elevate.
CNS Depressant, Blood Pressure - ANS -Down
CNS Depressant, Body Temperature - ANS -Normal
CNS Depressant, Muscle tone - ANS -Flaccid
CNS Stimulant, HGN? - ANS -None
CNS Stimulant, VGN? - ANS -None
CNS Stimulant, LOC? - ANS -None
