drug final quiz 2

among the psychoactive drugs, alcohol is classified as a
depressant

after oral administration most absorption of the drug molecules take place in the
small intestine

the process of maintaining our internal evironment within certain limits is called
homeostasis

weight control, aggression, impulsivity, and psychological depression have all been associated with
serotonin pathways

which of these is given its own classification category due to its complex effects at diff doses
marijuana

in some cases repeated use of a drug leads to pharmacodynamic tolerance which is based on
reduced sensitivity of neurons

natural chemicals in the brain that produce effects similar to those of morphine and other opium derived drugs are called
endorphins

drugs can affect neurotransmitters systems in 2 main ways: either by altering the availability of the neurotransmitter in the synapse or by
acting directly on the receptors

specialized structures that recognize neurotransmitter molecules and when activated cause a change in the electrical activity of the neuron are called
receptors

parasympathetic and sympathetic refer to the 2 branches of the
autonomic nervous system

neurotransmitter molecules are released into the small space between two neurons called the
synapse

psychoactive drugs reach the brain tissue by the way of
bloodstream

the neurotransmitter at the end organ of the sympathetic branch of the autonomic nervous system is
norepinephrine

cocaine selectively blocks Na+ (sodium) channels which is the mechanism that leads to
local anesthetic effects

neural centers controlling vomiting and respiration are found in the
brain stem

gated ion channels for sodium and potassium open and close in rapid succession causing the neuron to depolarize and then repolarze during each
action potential

drug molecules must be somewhat lipophilic (soluble in oil) in order to
readily cross the blood brain barrier

the potency of a drug is defined only in terms of
the amount required to produce an effect

nonspecific effects of taking a drug are those that do not depend on its chemical activity they are also referred to as
placebo effects

which of the following neurotransmitters is found in most parts of the brain and is considered inhibitory
GABA

when use of a drug interferes with normal behavior experienced users may learn to compensate and show less impairment than new users. this is an example of
behavioral tolerance

in addition to neurons, the brain contains an even larger number of another cell type known as glia which of these is not one of the four important regions found in every neuron? glia WE WILL WRITE A CUSTOM ESSAY …

Homework on Drug Mechanisms 1. Release and degradation of the neurotransmitter inside the axon terminal. Drug: Reserpine Pharmacology: Most often used to treat mild to moderate hypertension. Mode of action: Reserpine inhibits the ATP/MG2+ pump responsible for packaging neurotransmitters into …

| Addiction psychology has made a great impact on the field of biological psychology, especially when it comes to subjects such as | |psycho-pharmacology. The abuse of prescription pain medicine has risen to an estimated 9 million in America alone …

Addiction is the regular repetition of habitual deeds that a person is incapable or reluctant to discontinue despite their harmful consequences. In this case, it could be said that individuals consciously decide to hurt themselves since they are quite aware …

The Drug Abuse Warning Network monitors drug-related medical emergencies. The text lists three concerns that led to the adoption of the first U.S. laws regulating what we now call controlled substances. Which of these was NOT one of the three? …

The perspective that symptoms of a mental disorder lead to a diagnosis that illuminates both the underlying cause and a cure for the disorder is referred to in the text as A. medical model B. double-blind design C. logical approach …

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