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PSYC 410 Ch. 3
Terms in this set (35)
A neurotransmitter active in the parasympathetic autonomic nervous system, cerebral cortex, and peripheral somatic nerves.
The process of changing the molecular structure of a drug into forms that make it easier for the body to excrete it.
A system whereby some substances in the bloodstream are excluded from entering the nervous system.
central nervous system (CNS)
The portion of the nervous system that consists of the spinal cord and the brain.
The portion of the forebrain devoted to a high level of information processing.
A phenomenon in which one drug can be used to reduce the withdrawal symptoms following the discontinuance of another drug.
A phenomenon in which the tolerance that results from the chronic use of one drug induces a tolerance effect with regard to a second drug that has not been used before.
A neurotransmitter in the brain whose activity is related to emotionality and motor control.
A procedure in drug research in which neither the individual administering a chemical substance nor the individual receiving it knows whether the substance is the drug being evaluated or an active placebo.
The length of time it takes for a drug to be reduced to 50 percent of its equilibrium level in the bloodstream.
Brain-produced chemicals that mimic the effects of the active ingredient in marijuana and other cannabis products.
A class of chemical substances, produced in the brain and elsewhere in the body, that mimic the effects of morphine and other opioid drugs.
gamma aminobutyric acid (GABA)
An inhibitory neurotransmitter in the brain. Antianxiety drugs tend to facilitate the activity level of GABA in the brain.
An excitatory neurotransmitter in the brain. Glutamate receptors are associated with actions of PCP and ketamine and with feelings of drug craving.
Into a muscle.
Applied to the mucous membranes of the nose.
Into a vein.
An interval of time during which the blood levels of a drug are not yet sufficient for a drug effect to be observed.
A by-product resulting from the biotransformation process.
The specialized cell in the nervous system designed to receive and transmit information.
A chemical substance that a neuron uses to communicate information at the synapse.
a neurotransmitter active in the sympathetic autonomic nervous system and in many regions of the brain.
A region in the limbic system of the brain considered to be responsible for the rewarding effects of several drugs of abuse.
parasympathetic branch of the autonomic nervous system
The portion of the autonomic nervous system that controls the bodily changes that lead to increased nurturance, rest, and maintenance.
peripheral nervous system
The portion of the nervous system that consists of nerves and nerve fibers that carry information to the central nervous system and outward to muscles and glands.
Latin term translated "i will please." Any inert substance that produces a psychological or physiological reaction.
The property of a synergistic drug interaction in which one drug combined with another drug produces an enhanced effect when one of the drugs alone would have had no effect.
The process by which a neurotransmitter returns from the receptor site to the synaptic knob.
A neurotransmitter in the brain whose activity is related to emotionality and sleep patterns.
subcutaneous (s.c. or sub-Q)
Underneath the skin.
Applied under the tongue.
sympathetic branch of the autonomic nervous system
the portion of the autonomic nervous system that controls bodily changes that deal with stressful or emergency situations.
The juncture between neurons. It consists of a synaptic knob, the intervening gap, and receptor sites on a receiving neuron.
The property of a drug interaction in which the combination effect of two drugs exceeds the effect of either drug administered alone.
A device attached to the skin that slowly delivers the drug through skin absorption.
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