DRE: Mid-Course Review Flashcards
Define the word “drug.”
Any substance that, when taken into the human body, can impair the ability of the person to operate a vehicle.
Name the seven drug categories.
CNS Depressants, CNS Stimulants, Hallucinogens, Dissociative Anesthetics, Narcotic Analgesics, Inhalants, and Cannabis
Name the six subcategories of Central Nervous System (CNS) Depressants.
Barbiturates, Non-Barbiturates, Anti-Anxiety Tranquilizers, Antidepressants, Anti-Psychotic Tranquilizers, and Combinations of the first five
Name the three subcategories of CNS Stimulants.
Cocaine, the Amphetamines, and “Others.”
Name the two sub-categories of Narcotic Analgesics.
Opiates and Synthetics
Drug category: Desoxyn
CNS Stimulant
Drug category: Secobarbital (Seconal)
CNS Depressant (Barbiturate)
Drug category: Dilaudid
Narcotic Analgesic
Drug category: Alprazolam (Xanax)
CNS Depressant (Anti-Anxiety)
Drug category: Phenyl Cyclohexyl Peperidine
Dissociative Anesthetics
Drug category: Ecstasy (MDMA)
Hallucinogen
Drug category: ETOH
CNS Depressant
Drug category: Numorphan
Narcotic Analgesic
Drug category: Psilocybin
Hallucinogen
List the twelve components of the Drug Influence Evaluation in the proper sequence.
Breath Alcohol Test Interview of Arresting Officer Preliminary Examination Eye Examinations Divided Attention Tests Clinical Indicators Examinations Darkroom Examinations Check for Muscle Tone Injection Sites Inspection Statement of Suspect Evaluator’s Opinion Toxicological Examination
Identify the category for each of the listed drugs:
Demorol
Narcotic Analgesic
Identify the category for each of the listed drugs:
Adderall
CNS Stimulant
Identify the category for each of the listed drugs:
Chlordiazepoxide
CNS Depressant
Identify the category for each of the listed drugs:
Ketamine
Dissociative Anesthetics
Identify the category for each of the listed drugs:
Percodan
Narcotic Analgesic
Identify the category for each of the listed drugs:
Ritalin
CNS Stimulant
Identify the category for each of the listed drugs:
Bufotenine
Hallucinogen
Identify the category for each of the listed drugs:
Methaqualone
CNS Depressant
Name the three clues of Horizontal Gaze Nystagmus (HGN).
Lack of Smooth Pursuit, Distinct and Sustained Nystagmus at Maximum Deviation, Angle of Onset
How long should the eye be held at maximum deviation?
4 seconds
What is the formula that expresses the approximate relationships between BAC and Angle of Onset?
BAC = (50 – Angle of Onset) x 10
Name the categories of drugs that cause HGN.
CNS Depressants, Dissociative Anesthetics, and Inhalants
Name the categories that will cause Vertical Gaze Nystagmus (VGN).
CNS Depressants, Dissociative Anesthetics, and Inhalants
Name the test always administered immediately after VGN.
LOC
Name the categories of drugs that usually will cause Lack of Convergence
CNS Depressants, Dissociative Anesthetics, Inhalants, Cannabis
Name the lighting conditions under which we make estimations of pupil size.
Room light, near-total darkness, direct light
Name the other things a Drug Recognition Expert (DRE) looks for while shining the light directly into the subject’s eye.
Rebound Dilation and Pupil Reaction to Light
How quickly must the pupil start to constrict if it is considered to exhibit normal reaction to light?
Within 1 second
Define Rebound Dilation.
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
State the DRE average ranges of pupil size for the three lighting conditions.
Room light: 2.5 – 5.0 mm
Near Total Darkness: 5.0 – 8.5 mm
Direct Light: 2.0 – 4.5 mm
Define Miosis
Abnormally small pupils (constricted).
Define Mydriasis
Abnormally large pupils (dilated).