Accommodation Reflex correct answers The adjustment of the eyes for viewing at various
distances. Pupils will constrict as objects move closer and dilate as objects move away
Addiction correct answers Habitual, psychological and physiological dependence on a substance
beyond one's voluntary control.
Additive effect correct answers Mechanism of Poly-Drug interaction. Two drugs produce an
additive effect if they affect a particular indicator of impairment in the same way.
Afferent Nerves correct answers Carry messages to the brain, from various parts of the body,
including notably the sense organs (eyes, ears, etc.).
Also referred to as Sensory Nerves.
Alkaloid correct answers A chemical that is found in, and can be physically extracted from, a
substance.
For example, morphine is a natural alkaloid of opium. It does not require a chemical reaction to
reproduce morphine from opium.
Analgesic correct answers A Drug that relieve or allays pain.
Analog (of a drug) correct answers A chemical that is similar to a drug, both in molecular
structure and psychoactive effects.
For example, Ketamine is an analog of PCP.
, Anesthetic correct answers A drug that produces a general or locally insensibility to pain and
other sensations.
Antagonistic effect correct answers Mechanism of Poly-Drug interaction. Two drugs produce an
antagonistic effect if they affect a particular impairment indicator in opposite ways.
Arrhythmia correct answers An abnormal heart rhythm.
Artery correct answers The strong, elastic blood vessels that carry blood AWAY from the heart.
Autonomic Nerve correct answers A motor nerve that carries messages to the muscles and organs
that we do not consciously control.
Two types: Sympathetic and Parasympathetic.
Axon correct answers The Part of the Neuron that sends our a neuro-transmitter.
BAC correct answers The percentage of alcohol in a person's blood as measured in grams of pure
ethanol per 100 milliliters of blood.
example .08%BAC is .08gms/100 milliliters of blood.
Blood Pressure correct answers The force exerted by blood on the walls of the arteries.
Two types: Systolic (measured when the hear contracts) & Diastolic (measured when the heart
relaxes).
Bradycardia correct answers abnormally slow heart rate