Standardized Field Sobriety Test Course
Session 1 - Introduction
Glossary of Terms
(Blood Alcohol Concentration) - The percentage of alcohol in a person’s blood.
(Breath Alcohol Concentration) - The percentage of alcohol in a person’s blood
as measured by a breath testing device.
HS 178 R5/13 10 of 24
The force exerted by blood on the walls of the arteries. Blood pressure changes
continuously, as the heart cycles between contraction and expansion.
Abnormally slow heart rate; pulse rate below the normal range.
Abnormally slow rate of breathing.
Grinding the teeth. This behavior is often seen in person who are under the
influence of cocaine or other CNS Stimulants.
This is the drug category that includes marijuana. Marijuana comes primarily
from the leaves of certain species of Cannabis plants that grow readily all over
the temperate zones of the earth. Hashish is another drug in this category, and is
made from dried and pressed resin of a marijuana plant. The active ingredient in
both Marijuana and Hashish is a chemical called delta-9 tetrahydrocannabinol,
usually abbreviated THC.
This is the drug category that includes Mari
A metabolite of THC (tetrahydrocannabinol).
CHEYNE- STOKES RESPIRATION
Abnormal pattern of breathing. Marked by breathlessness and deep, fast
CLUE - Something that leads to the solution of a problem.
CNS (Central Nervous System)
A system within the body consisting of the brain, the brain stem, and the spinal
One of the seven drug categories. CNS Depressants include alcohol,
barbiturates, anti-anxiety tranquilizers, and numerous other drugs.
One of the seven drug categories. CNS Stimulants include Cocaine, the
Amphetamines, Ritalin, Preludin, and numerous other drugs.
HS 178 R5/13 11 of 24
An inflammation of the mucous membrane that lines the inner surface of the
eyelids caused by infection, allergy, or outside factors. May be bacterial or viral.
Persons suffering from conjunctivitis may show symptoms in one eye only. This
condition is commonly referred to as "pink eye", a condition that could be
mistaken for the bloodshot eyes produced by alcohol or Cannabis.
The "crossing" of the eyes that occurs when a person is able to focus on a
stimulus as it is pushed slowly toward the bridge of their nose. (See, also, "Lack
Cocaine base, appears as a hard chunk form resembling pebbles or small rocks.
It produces a very intense, but relatively short duration "high".
CUE - A reminder or prompting as a signal to do something. A suggestion or a hint.
A written summary of a person's education, training, experience, noteworthy
achievements and other relevant information about a particular topic.
A manifestation of impairment due to certain drugs, in which the suspect
alternates between periods (or cycles) of intense agitation and relative calm.
Cyclic behavior, for example, sometimes will be observed in persons under the
influence of PCP.