DRE STUDY GUIDE SUMMARY WITH SOLVED QUESTIONS 2026

DRE STUDY GUIDE SUMMARY
WITH SOLVED QUESTIONS 2026

• Define what is drug? Answer: Any substance that, when taken into the
human body, can impair the ability of the person to operate a vehicle
safely.


• What drug other than alcohol, was found most frequently in the Los
Angeles Field Validation Study? Answer: PCP


• What is a polydrug? Answer: Ingest drugs from 2 or more different
drugs at the same time.


• What is a Polycategory? Answer: Ingest drugs from 2 or more different
drugs from different categories at the same time.


• How common was polydrug use in the Los Angeles Field Validation
Study? Answer: 72 %


• How good were DRE's in the Field Validation Study? Answer: 92%


• In the University of Tennessee Study, what percentage of injured
drivers had drugs other than alcohol in their system? Answer: 40%

,• 12 Components of the Drug Influence Evaluation in the proper
sequence. Answer: B- Breath Alcohol Test
I- Interview of Arresting Officer
P- Preliminary examination and first pulse
E- Eye Exams
D- Divided attention tests
V- Vital Signs
D- Dark room
M- Muscle tone
I- Injection sites
S- Suspect Statements
O- Opinion of elevator
T- Toxicology


• 7 drug categories Answer: Depressants
Stimulant
Hallucinogens
Dissociative Anesthetics
Narcotic Analgesics
Inhalants
Cannabis


• 6 subcategories of CNS depressants Answer: C- Combination

, A- Anti-psychotics Tranquilizers (Major)
B- Barbiturates
A- Anti-anxiety Tranquilizers (Minor)
N- Non-Barbiturates
A- Anti-depressants (mood elevators)


• 2 naturally occurring hallucinogens Answer: Peyote and Psilocybin


• 4 different synthetic hallucinogens Answer: MDMA
LSD
MDA
DMT


• 3 subcategories of CNS stimulants Answer: Cocaine
Amphetamine
Others


• 4 different CNS stimulants Answer: Methamphetamine
Desoxyn
Ephedrine
Ritalin


• 2 different sub-categories of Narcotic Analgesics Answer: Opiates