The use and abuse of drugs Flashcards
True all false…scientists can no longer develop any more drugs.
False. Scientists are continually developing new drugs on a daily basis.
New drugs are tested extensively for what?
Toxicity, efficacy and dose.
In the lab drugs are tested on what and for what?
The drugs are tested on tissues and live animals for toxicity.
Clinical trials involve what happening?
Healthy volunteers and patients. Very low doses are given at the start and if the drug is found to be safe further increases in dosage are given. In some double blind trials some patients may be given a placebo where neither themselves or the doctors know until the trial is complete.
Thalidomide was originally developed as what?
A sleeping pill.
It is illegal to do what with thalidomide?
Give it to a pregnant woman.
What happened when thalidomide was prescribed to relieve morning sickness?
The child was born with severe limb abnormalities where the limbs were under developed.
Recently thalidomide has been used to treat what disease?
Leprosy.
Misuse of legal recreational drugs, such as alcohol and nicotine, along with misuse of illegal recreational drugs, such as cannabis, ecstasy and heroin, can lead to…
…adverse effects upon the heart and circulatory system.
Cannabis smoke contains chemicals which cause what?
Mental illnesses.
The overall effect of legal drugs is greater or less than the overall effect of illegal drugs?
Legal drugs have a greater effect because more people use them.
What causes a person to become dependent upon a drug?
The drug changes the chemical process in peoples’ bodies causing them to experience withdrawal symptoms when not using the drug.
Examples of extremely addictive drugs include…
…heroin and cocaine.
Banned substances for athletes include those banned by law and…
…those available by prescription but is banned within the sport because it enhances performance.
Examples of banned substances in sport include…
…stimulants that boost bodily functions such as heart rate; and anaerobic steroids which stimulate muscle growth.
