Exam 3: How Drugs Work in the Body and on the Mind

An increased heart rate and a decreased rate of digestion are two signs of sympathetic activation.

Acetylcholine is involved with the sympathetic autonomic nervous system,while norepinephrine is involved with the parasympathetic autonomic system.

The ______ the quantity of the drug,the ______ the body tries to get rid of it.

Reuptake is the process whereby a neurotransmitter returns from the receptor site back to the synaptic knob.

GABA deficiencies are associated with a decreased tendency toward epileptic seizures.

Which of the following disorders has NOT been linked to dopamine?

A latency period occurs __________.

Communication between neurons is accomplished through the actions of chemical substances called neurotransmitters.

_______ is to skeletal muscle as _______ is to smooth muscle.

The rate of elimination of a particular drug can be determined by an index called __________.

The elimination half-life of a drug will be faster if the drug is fat-soluble than if it is not.

Paint thinners,gasoline,and cleaning fluid are typically associated with which route of administration?

The half-life of nicotine is a few days.

Which of the following is NOT an example of cross-tolerance?

An autonomic response involves which kind of muscle?

Which of the following forms of drug administration is the fastest?

The processing of reflex responses does not involve the brain at all.

If there is a very strong effect when two drugs are taken in combination,even though one of the drugs by itself has no effect and the other by itself has only a weak effect,then the combination effect is called __________.

The central nervous system consists of the brain and the spinal cord.

Metabolic tolerance occurs when receptors become less sensitive due to being stimulated repeatedly by a drug over time.