EXAM Q&A STUDY GUIDE COMPLETE
QUESTIONS WITH VERIFIED SOLUTIONS
◉ Cross-tolerance. Answer: tolerance to one substance may lead to
tolerance of other drugs that are pharmacologically similar
◉ Pharmacodynamic tolerance. Answer: occurs when the nervous
tissue or other target tissues adapt to the substance so that the
effect of the same concentration of a chemical decreases
◉ Reverse tolerance. Answer: users will have the same response to a
lower dose of a drug that they had with initial higher doses
◉ Physical dependence. Answer: tolerance to a substance that
requires increasing amounts of a chemical to maintain normal body
functioning
◉ Psychological dependence. Answer: a pattern of compulsive drug
use characterized by a continued craving for a drug and the need to
use the drug for effects other than pain relief. If the person stops
taking a drug after a period of time, the person might experience
anxiety as a withdrawal symptom.
,◉ Over-the-Counter Drugs. Answer: medicine that you can buy
without a prescription. somewhat effective in relieving the
symptoms of the mild illnesses and disorders for which they were
developed, as long as they are used according to directions.
◉ Depressants. Answer: Drugs that slow down, inhibit, or depress
the nervous system
◉ Sedatives. Answer: produce relaxation
◉ Tranquilizers. Answer: reduce anxiety and act as muscle
relaxants. Classified as major and minor. Major- such as Thorazine,
are used to treat psychosis. Minor- such as Valium and Librium, are
prescribed for stress and anxiety.
◉ Hypnotics. Answer: promote sleep
◉ Anesthetics. Answer: create a loss of sensation
◉ Alcohol. Answer: colorless, flammable liquid formed by the
fermentation of fruits, juices, or cereal grains
◉ Proof. Answer: a number that is twice the alcohol content
,◉ Fetal alcohol syndrome. Answer: A child born with this condition
may suffer permanent impairment. Characteristics of the condition
include low birth weight, smaller head circumference, abnormal
formation of the nose, small fingernails, smaller stature, poor joint
movement, ear abnormalities, and mental retardation
◉ Alcoholism. Answer: when a person is unable to choose whether
he or she will drink and is unable to stop drinking
◉ Barbiturates. Answer: depressants. Generally known as downers.
Often taken as a way of escaping from the problems of daily living.
◉ Narcotics. Answer: produced for the most part from opium and its
derivatives. act on the central nervous system and gastrointestinal
tract. They are excellent painkillers, but they can be highly addictive.
Opium, morphine, codeine, heroin
◉ Stimulants. Answer: drugs that speed up the nervous system.
Increase heart rate, blood pressure, and amount of circulating blood
sugar. Constrict the blood vessels and dilate bronchial tubes and the
pupils of the eyes
◉ Caffeine. Answer: most common stimulant. Contained in coffee,
tea, cola drinks, and chocolate. Absorbed quickly into the
bloodstream and reaches a peak blood level in about 30-60 minutes.
Increases mental alertness and provides a feeling of energy. High
, doses can overstimulate and cause nervousness and increased heart
rate. Can also cause sleeplessness, excitement, and irritability. In
some cases, high doses can induce convulsions.
◉ Amphetamines. Answer: uppers. Have limited legitimate and
useful medical applications, but because of their wide availability,
they are often abused. Ritalin, Sudafed, Adderall.
◉ Methamphetamine (Meth). Answer: potent and commonly abused
form of amphetamine. White, odorless, and bitter-tasting powder.
Also called speed. An illegal, highly addictive drug that is cheaper
and has longer-lasting effects than cocaine does.
◉ Cocaine. Answer: Known as snow or coke. Most often found in the
form of a white powder, which is usually sniffed or snorted up the
nostrils or smoked. Taken to produce a feeling of intense euphoria
and boundless energy. As this fades, depression follows, along with
the strong desire for another dose
◉ Freebasing. Answer: A process used for purifying or refining
cocaine. Produces a more potent form of cocaine that has an
accelerated and intense high. The drug is heated to a high
temperature and mixed with other substances, some highly volatile,
resulting in explosion on occasion