DRE Glossary of Terms Exam Questions
with complete Solutions 2025/2026 A+
Graded 100% Verified
OVERLAPPING EFFECT - ANS -Occurs when one drug causes an effect, and the other
drug does not.
ACCOMMODATION REFLEX : - ANS -The adjustment of the eyes for viewing at various
distances . Meaning the pupils will automatically constrict as objects move closer and
dilate as objects move further away
ADDICTION - ANS -Habitual , psychological , and physiological dependence on a
substance beyond one's voluntary control .
ADDITIVE EFFECT : - ANS -Occurs when the drugs independently affect some indicator
in the same way and their use in combination will also affect the indicator and the effect
may be reinforced .
AFFERENT NERVES - ANS -See : " Sensory Nerves . "
ALKALOID - ANS -A chemical that is found in , and can be physically extracted from ,
some substance For example , Morphine natural alkaloid of Opium . It does not require a
chemical reaction to produce Morphine from Opium
ANALGESIC - ANS -A drug that relieves or allays pain .
ANALOG ( of a drug structure and in - ANS -A chemical that is very similar to the drug ,
both in terms of molecular structure and in terms of psychoactive effects . For example ,
the drug Ketamine is an analog of PCP
ANESTHETIC - ANS -A drug that produces a general or local insensibility to pain and
other sensation
ANTAGONISTIC EFFECT - ANS -Occurs when a drug causes an action and another drug
causes an opposite action the effect cannot be predicted
ARRHYTHMIA - ANS -An abnormal heart rhythm
, ARTERY - ANS -The strong , elastic blood vessels that carry blood away from the heart .
AUTONOMIC NERVE - ANS -A motor nerve that carries messages to the muscles and
organs that we do not consciously control There are two kinds of autonomic nerves , the
sympathetic nerves and parasympathetic nerves
AXON - ANS -The part of a neuron ( nerve cell ) that sends out a neurotransmitter .
BAD TRIP - ANS -A hallucination where the user becomes panic - stricken by what he /
she is seeing or hearing , and may become uncontrollably excited , or even try to flee
from the terror .
BLOOD ALCOHOL CONCENTRATION BAC ) - ANS -The percentage of alcohol in a
person's blood ..
BREATH ALCOHOL CONCENTRATION BrAC - ANS -The percentage of alcohol in a
person's blood as measured by a breath testing device
BIPOLAR DISORDER - ANS -A condition characterized by the alteration of manic and
depressive states .
BLOOD PRESSURE - ANS -The force exerted by blood on the walls of the arteries .
Blood pressure changes continuously , as the heart cycles between contraction and
expansion .
BRADYCARDIA - ANS -Abnormally slow heart rate
BRADYPNEA - ANS -Abnormally slow rate of breathing
BRUXISM - ANS -Grinding the teeth . This behavior is often seen in persons who are
under the influence of Cocaine or other CNS Stimulants .
CANNABIS - ANS -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 consists
of the compressed leaves from female Cannabis plants . The active ingredient in both
Marijuana and Hashish is a chemical called delta - 9 tetrahydrocannabinol , usually
abbreviated THC .
CARBOXY THC - ANS -A metabolite of THC ( tetrahydrocannabinol ) .
CENTRAL NERVOUS SYSTEM ( CNS ) - ANS -A system within the body consisting of the
brain , the brain stem , and the spinal cord
with complete Solutions 2025/2026 A+
Graded 100% Verified
OVERLAPPING EFFECT - ANS -Occurs when one drug causes an effect, and the other
drug does not.
ACCOMMODATION REFLEX : - ANS -The adjustment of the eyes for viewing at various
distances . Meaning the pupils will automatically constrict as objects move closer and
dilate as objects move further away
ADDICTION - ANS -Habitual , psychological , and physiological dependence on a
substance beyond one's voluntary control .
ADDITIVE EFFECT : - ANS -Occurs when the drugs independently affect some indicator
in the same way and their use in combination will also affect the indicator and the effect
may be reinforced .
AFFERENT NERVES - ANS -See : " Sensory Nerves . "
ALKALOID - ANS -A chemical that is found in , and can be physically extracted from ,
some substance For example , Morphine natural alkaloid of Opium . It does not require a
chemical reaction to produce Morphine from Opium
ANALGESIC - ANS -A drug that relieves or allays pain .
ANALOG ( of a drug structure and in - ANS -A chemical that is very similar to the drug ,
both in terms of molecular structure and in terms of psychoactive effects . For example ,
the drug Ketamine is an analog of PCP
ANESTHETIC - ANS -A drug that produces a general or local insensibility to pain and
other sensation
ANTAGONISTIC EFFECT - ANS -Occurs when a drug causes an action and another drug
causes an opposite action the effect cannot be predicted
ARRHYTHMIA - ANS -An abnormal heart rhythm
, ARTERY - ANS -The strong , elastic blood vessels that carry blood away from the heart .
AUTONOMIC NERVE - ANS -A motor nerve that carries messages to the muscles and
organs that we do not consciously control There are two kinds of autonomic nerves , the
sympathetic nerves and parasympathetic nerves
AXON - ANS -The part of a neuron ( nerve cell ) that sends out a neurotransmitter .
BAD TRIP - ANS -A hallucination where the user becomes panic - stricken by what he /
she is seeing or hearing , and may become uncontrollably excited , or even try to flee
from the terror .
BLOOD ALCOHOL CONCENTRATION BAC ) - ANS -The percentage of alcohol in a
person's blood ..
BREATH ALCOHOL CONCENTRATION BrAC - ANS -The percentage of alcohol in a
person's blood as measured by a breath testing device
BIPOLAR DISORDER - ANS -A condition characterized by the alteration of manic and
depressive states .
BLOOD PRESSURE - ANS -The force exerted by blood on the walls of the arteries .
Blood pressure changes continuously , as the heart cycles between contraction and
expansion .
BRADYCARDIA - ANS -Abnormally slow heart rate
BRADYPNEA - ANS -Abnormally slow rate of breathing
BRUXISM - ANS -Grinding the teeth . This behavior is often seen in persons who are
under the influence of Cocaine or other CNS Stimulants .
CANNABIS - ANS -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 consists
of the compressed leaves from female Cannabis plants . The active ingredient in both
Marijuana and Hashish is a chemical called delta - 9 tetrahydrocannabinol , usually
abbreviated THC .
CARBOXY THC - ANS -A metabolite of THC ( tetrahydrocannabinol ) .
CENTRAL NERVOUS SYSTEM ( CNS ) - ANS -A system within the body consisting of the
brain , the brain stem , and the spinal cord