DRUG RECOGNITION EXPERT SCHOOL
2025 QUESTIONS AND ANSWERS.
What does the term "drug" mean, as it is used in this course? - correct answer -
A drug is any substance that, when taken into the human body, can impair the
ability of the person to operate a motor vehicle safely.
What are the seven categories of drug? To which category does alcohol
belong? To which category does Cocaine belong? - correct answer - CNS
depressants, CNS Stimulants, Hallucinogens, Dissociative Anesthetics,
Narcotic Analgesics, Inhalants, Cannabis ;
What does "polydrug use" mean? - correct answer - Ingesting drugs from two
or more drug categories.
What is a "speedball"? What is a "spacebase"? - correct answer - Cocaine and
Heroin; Crack and PCP
In the 2013-2014 National Roadside Survey of Alcohol and Drug Use by
drivers, more than % of drivers, tested positive for at least one illegal drug.
- correct answer - 20%
State four reasons why it is important not to rely simply on a chemical test to
establish a subject's drug impairment. - correct answer - 1.) develop articulable
,evidence of drug impairment
2.) suspect may refuse chemical tests
3.) chemical tests do not indicate recency of use
4.) suspect may be suffering from injury or illness
What categories of drugs were included in the Johns Hopkins Laboratory
Study? - correct answer - CNS depressants
CNS stimulants Cannabis
In what percentage of cases in the Los Angeles Field Validation Study did
blood tests confirm the DRE's opinion that PCP was present? - correct answer
- 92%
What percentage of subjects were found to be polydrug users in the LAPD
Field Validation Study? - correct answer - 72%
What was the landmark State Supreme Court case that upheld the use of
HGN as evidence of impairment? - correct answer - State(AZ) vs. Blake
What do we call the traditional standard for admissibility of scientific
evidence, set by the US Supreme Court? - correct answer - Frye Standard
Give three important reasons for conducting drug evaluation and classification
, evaluations in a standardized fashion? - correct answer - 1.) help avoid
mistakes
2.) help promote and maintain professionalism and consistency among
DRE's
3.) help secure the court's acceptance of your testimony
What are the twelve components of the drug evaluation process?
- correct answer - 1.) Breath test
2.) Interview with the arresting officer
3.) Preliminary Examination (pulse,initial estimate of onset and pupil size
4.) Eye exam
5.) Divided attention tests
6.) Vital signs Exam (second pulse)
7.) Dark room Exam
8.) Muscle tone Exam
9.) Injection site Exam (third pulse)
10.) Subject Interview
11.) Opinion of the evaluator
12.) Toxicology
How many times is a pulse rate measured during the drug influence
evaluation? - correct answer - 3
2025 QUESTIONS AND ANSWERS.
What does the term "drug" mean, as it is used in this course? - correct answer -
A drug is any substance that, when taken into the human body, can impair the
ability of the person to operate a motor vehicle safely.
What are the seven categories of drug? To which category does alcohol
belong? To which category does Cocaine belong? - correct answer - CNS
depressants, CNS Stimulants, Hallucinogens, Dissociative Anesthetics,
Narcotic Analgesics, Inhalants, Cannabis ;
What does "polydrug use" mean? - correct answer - Ingesting drugs from two
or more drug categories.
What is a "speedball"? What is a "spacebase"? - correct answer - Cocaine and
Heroin; Crack and PCP
In the 2013-2014 National Roadside Survey of Alcohol and Drug Use by
drivers, more than % of drivers, tested positive for at least one illegal drug.
- correct answer - 20%
State four reasons why it is important not to rely simply on a chemical test to
establish a subject's drug impairment. - correct answer - 1.) develop articulable
,evidence of drug impairment
2.) suspect may refuse chemical tests
3.) chemical tests do not indicate recency of use
4.) suspect may be suffering from injury or illness
What categories of drugs were included in the Johns Hopkins Laboratory
Study? - correct answer - CNS depressants
CNS stimulants Cannabis
In what percentage of cases in the Los Angeles Field Validation Study did
blood tests confirm the DRE's opinion that PCP was present? - correct answer
- 92%
What percentage of subjects were found to be polydrug users in the LAPD
Field Validation Study? - correct answer - 72%
What was the landmark State Supreme Court case that upheld the use of
HGN as evidence of impairment? - correct answer - State(AZ) vs. Blake
What do we call the traditional standard for admissibility of scientific
evidence, set by the US Supreme Court? - correct answer - Frye Standard
Give three important reasons for conducting drug evaluation and classification
, evaluations in a standardized fashion? - correct answer - 1.) help avoid
mistakes
2.) help promote and maintain professionalism and consistency among
DRE's
3.) help secure the court's acceptance of your testimony
What are the twelve components of the drug evaluation process?
- correct answer - 1.) Breath test
2.) Interview with the arresting officer
3.) Preliminary Examination (pulse,initial estimate of onset and pupil size
4.) Eye exam
5.) Divided attention tests
6.) Vital signs Exam (second pulse)
7.) Dark room Exam
8.) Muscle tone Exam
9.) Injection site Exam (third pulse)
10.) Subject Interview
11.) Opinion of the evaluator
12.) Toxicology
How many times is a pulse rate measured during the drug influence
evaluation? - correct answer - 3
