Disease Flashcards
Factors affecting birth rates and death rates
What can affect the birth and death rate of a country?
Disease, economic status, family needs, attitudes and beliefs, conflict and wars and government policy.
What diseases kill millions a year?
Tuberculosis (TB), human immunodeficiency virus (HIV) and cholera.
Why are infant mortality rates high in some countries?
Many babies die from diarrhoea.
What is diarrhoea?
a symptom of an illness that causes a runny tummy.
What is the difference between an epidemic and a pandemic?
An epidemic is when a disease spreads quickly across a large area or country and an pandemic is when a disease spreads across many countries.
What is AIDS?
Acquired Immunodeficiency Syndrome; the final stage of the HIV disease, which causes severe damage to the immune system.
What is TB?
A diseases that affects a person’s lungs.
What are the 2 main causes of the spread TB?
Poverty and HIV
What causes malaria?
Malaria is caused by a type of parasite that is spread by certain kinds of mosquitos (female Anopheles mosquito). When an infected mosquito bites a person, it puts the malaria parasite in the person’s blood. The parasite first enters and multiplies in the liver, before entering the blood system where it multiplies further.
What is a parasite?
A plant or animal that lives on or in another living thing and usually harms it.
How can people prevent malaria?
- Sleep under mosquito nets
- Use preventive medication like prophylaxis
- Use insect repellents
How many children in Africa die from malaria daily.
About 2 000 children.
What is diarrhoea a symptom of?
Diarrhoea is a symptom of gastroenteritis, which can be caused by a viral or bacterial infection.
What is gastroenteritis?
The infection of the bowel.
Name 3 epidemics/pandemics that have wiped out millions of people in the past.
Smallpox, influenza (the common flue) and cholera.