LAPD DRUG RECOGNITION EXPERT (DRE) | QUESTIONS AND
ANSWERS VERIFIED| NEWEST UPDATE 2025/2026
What is a drug? -CORRECT ANSWER Any substance that, when taken into
the human body, can impair the ability of the person to operate a vehicle safely.
What are the seven drug categories? -CORRECT ANSWER CNS depressants,
CSN stimulants, Hallucinogens, Dissociative Anesthetics, Narcotic Analgesics,
Inhalants, Cannabis.
What are the six subcategories of CNS Depressants? -CORRECT ANSWER
Combination, Anti-Anxiety, Barbiturates, Anti-Depressants, Non-Barbiturates,
Anti-Psychotic (CABANA)
What are the three subcategories of CNS Stimulants? -CORRECT ANSWER
Cocaine, Amphetamines, Caffeine or others
Name two sub-categories of Narcotic Analgesics? -CORRECT ANSWER
Natural Opiates and Synthetic Opiates
What drug category is Desoxyn (Methamphetamine)? -CORRECT ANSWER
CNS Stimulant
What drug category is Secobarbital? -CORRECT ANSWER CNS Depressant
What drug category is Alprazolam (Xanax)? -CORRECT ANSWER CNS
Depressant
,What drug category is Phenyl Cyclohexyl Peperidine (PCP)? -CORRECT
ANSWER Dissociate Anesthetic
What drug category is MDMA (Ecstasy)? -CORRECT ANSWER
Hallucinogen
What drug category is ETOH? -CORRECT ANSWER CNS Depressant
What drug category is Numorphan? -CORRECT ANSWER Narcotic
Analgesic
What drug category is Psilocybin (Mushrooms)? -CORRECT ANSWER
Hallucinogen
What is the 12 step DRE process? -CORRECT ANSWER Breath, interview
officer, preliminary exam (pulse 1), eye exam, divided attention tests, vitals
(pulse 2), dark room, muscle, injection sites (pulse 3), statement, opinion,
toxicology - (BIPEDVDMISOT)
What drug category is Demerol? -CORRECT ANSWER Narcotic Analgesic
What drug category is Adderall? -CORRECT ANSWER CNS Stimulant
What drug category is Chlordiazepoxide? -CORRECT ANSWER CNS
Depressant
What drug category is Ketamine? -CORRECT ANSWER Dissociative
Anesthetic
,What drug category is Percodan -CORRECT ANSWER Narcotic Analgesic
What drug category is Ritalin? -CORRECT ANSWER CNS Stimulant
What drug category is Bufotenine (toads ass)? -CORRECT ANSWER
Hallucinogen
What drug category is Methaqualone? -CORRECT ANSWER CNS
Depressant
Name the 3 clues of HGN? -CORRECT ANSWER Lack of smooth pursuit,
Distinct and sustained nystagmus at maximum deviation, Angle or onset prior to
45°
What drug categories cause HGN? -CORRECT ANSWER (DID drugs) CNS
Depressants, Inhalants, Dissociative Anesthetics.
What drug categories cause VGN? -CORRECT ANSWER (DID drugs) CNS
Depressants, Inhalants, Dissociative Anesthetics.
What drug categories cause LOC? -CORRECT ANSWER (DID C drugs) CNS
Depressants, Inhalants, Dissociative Anesthetics and Cannabis.
What is rebound dilation? -CORRECT ANSWER A period of pupillary
constriction followed by a period of pupillary dilation where the pupil steadily
increases in size and does not return to its original constricted size.
What is the DRE average pupil range for room light? -CORRECT ANSWER
2.5-5.0 mm
, What is the DRE average pupil range for near total darkness? -CORRECT
ANSWER 5.0-8.5 mm
What is the DRE average pupil range for direct light? -CORRECT ANSWER
2.0-4.5 mm
What is miosis? -CORRECT ANSWER Pupil constriction
What is ptosis? -CORRECT ANSWER Drooping eyes
What is Mydriasis? -CORRECT ANSWER Pupil dilation
What drug categories cause pupil dilation? -CORRECT ANSWER CNS
Stimulant, Hallucinogen, Cannabis
What drug categories cause pupil constriction? -CORRECT ANSWER
Narcotic Analgesic
What drug category is Oxycodone? -CORRECT ANSWER Narcotic Analgesic
What drug category is Halcion? -CORRECT ANSWER CNS Depressant
What drug category is Librium? -CORRECT ANSWER CNS Depressant
What drug category is Peyote? -CORRECT ANSWER Hallucinogen
ANSWERS VERIFIED| NEWEST UPDATE 2025/2026
What is a drug? -CORRECT ANSWER Any substance that, when taken into
the human body, can impair the ability of the person to operate a vehicle safely.
What are the seven drug categories? -CORRECT ANSWER CNS depressants,
CSN stimulants, Hallucinogens, Dissociative Anesthetics, Narcotic Analgesics,
Inhalants, Cannabis.
What are the six subcategories of CNS Depressants? -CORRECT ANSWER
Combination, Anti-Anxiety, Barbiturates, Anti-Depressants, Non-Barbiturates,
Anti-Psychotic (CABANA)
What are the three subcategories of CNS Stimulants? -CORRECT ANSWER
Cocaine, Amphetamines, Caffeine or others
Name two sub-categories of Narcotic Analgesics? -CORRECT ANSWER
Natural Opiates and Synthetic Opiates
What drug category is Desoxyn (Methamphetamine)? -CORRECT ANSWER
CNS Stimulant
What drug category is Secobarbital? -CORRECT ANSWER CNS Depressant
What drug category is Alprazolam (Xanax)? -CORRECT ANSWER CNS
Depressant
,What drug category is Phenyl Cyclohexyl Peperidine (PCP)? -CORRECT
ANSWER Dissociate Anesthetic
What drug category is MDMA (Ecstasy)? -CORRECT ANSWER
Hallucinogen
What drug category is ETOH? -CORRECT ANSWER CNS Depressant
What drug category is Numorphan? -CORRECT ANSWER Narcotic
Analgesic
What drug category is Psilocybin (Mushrooms)? -CORRECT ANSWER
Hallucinogen
What is the 12 step DRE process? -CORRECT ANSWER Breath, interview
officer, preliminary exam (pulse 1), eye exam, divided attention tests, vitals
(pulse 2), dark room, muscle, injection sites (pulse 3), statement, opinion,
toxicology - (BIPEDVDMISOT)
What drug category is Demerol? -CORRECT ANSWER Narcotic Analgesic
What drug category is Adderall? -CORRECT ANSWER CNS Stimulant
What drug category is Chlordiazepoxide? -CORRECT ANSWER CNS
Depressant
What drug category is Ketamine? -CORRECT ANSWER Dissociative
Anesthetic
,What drug category is Percodan -CORRECT ANSWER Narcotic Analgesic
What drug category is Ritalin? -CORRECT ANSWER CNS Stimulant
What drug category is Bufotenine (toads ass)? -CORRECT ANSWER
Hallucinogen
What drug category is Methaqualone? -CORRECT ANSWER CNS
Depressant
Name the 3 clues of HGN? -CORRECT ANSWER Lack of smooth pursuit,
Distinct and sustained nystagmus at maximum deviation, Angle or onset prior to
45°
What drug categories cause HGN? -CORRECT ANSWER (DID drugs) CNS
Depressants, Inhalants, Dissociative Anesthetics.
What drug categories cause VGN? -CORRECT ANSWER (DID drugs) CNS
Depressants, Inhalants, Dissociative Anesthetics.
What drug categories cause LOC? -CORRECT ANSWER (DID C drugs) CNS
Depressants, Inhalants, Dissociative Anesthetics and Cannabis.
What is rebound dilation? -CORRECT ANSWER A period of pupillary
constriction followed by a period of pupillary dilation where the pupil steadily
increases in size and does not return to its original constricted size.
What is the DRE average pupil range for room light? -CORRECT ANSWER
2.5-5.0 mm
, What is the DRE average pupil range for near total darkness? -CORRECT
ANSWER 5.0-8.5 mm
What is the DRE average pupil range for direct light? -CORRECT ANSWER
2.0-4.5 mm
What is miosis? -CORRECT ANSWER Pupil constriction
What is ptosis? -CORRECT ANSWER Drooping eyes
What is Mydriasis? -CORRECT ANSWER Pupil dilation
What drug categories cause pupil dilation? -CORRECT ANSWER CNS
Stimulant, Hallucinogen, Cannabis
What drug categories cause pupil constriction? -CORRECT ANSWER
Narcotic Analgesic
What drug category is Oxycodone? -CORRECT ANSWER Narcotic Analgesic
What drug category is Halcion? -CORRECT ANSWER CNS Depressant
What drug category is Librium? -CORRECT ANSWER CNS Depressant
What drug category is Peyote? -CORRECT ANSWER Hallucinogen
