LAPD DRUG RECOGNITION EXPERT (DRE) | QUESTIONS AND ANSWERS VERIFIED| NEWEST UPDATE 2025/2026

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