Drugs and Diseases (B1.3a) Flashcards
What happened if you use a drug a lot?
The body builds up a tolerance to it
What is a stimulant?
A drug that speed up the brain activity by increasing chemical transmission across synapses.
What is a depressant?
A drug that slows the brain’s responses by blocking the passage of synaptic transmitters.
What is a painkiller?
A drug such as heroin that can stop nerve transmission so you don’t feel pain.
What is a Hallucinogen?
A drug that distorts sense perception.
What is an addiction?
When people become dependant on the drug and feel that they cannot function properly without it.
What is a drug?
A chemical substance that has an effect on the way the body works.
What is a disease?
An abnormality in a human caused by a pathogenic organism that affects the performance of the key functions and can normally be detected by symptoms.
What is an infection?
The invasion of human tissue by a microbe with or without symptoms.
What is a pathogen?
Any organism that causes disease such as bacteria, virus or protozoan.
What is an antiseptic?
Substance that is used to stop the spread of pathogens.
What is an antibacterial?
Antibiotic that kills or slows the growth of bacteria.
What is an antibiotic?
A substance that can kill or slow the growth of micro-organisms.
What is an anti fungal?
An antibiotic that kills or slows the growth of fungi.
What is a narcotic?
A drug that makes us feel sleepy.
