Keeping Healthy


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  • Created by: Sam Evans
  • Created on: 12-05-14 20:57
What do we mean by a 'balanced diet'?
The correct amounts of nutrients for healthy functioning of the body
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Give three reasons why a person may be malnourished
Too much energy, too little food, missing nutrients
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Give three factors that affect how much energy a person needs
Size of person, sex and amount of exercise they do
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What is meant by metabolic rate?
How quickly chemical reactions in cells release energy.
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What is a pathogen?
An organism that causes disease
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What is an antibiotic?
A drug that kills bacteria
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Why is it difficult to produce medicines to destroy viruses?
Because viruses reproduce inside cells. Treatment may cause damage to the cells
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How are the ideas of semmelweiss used in modern hospitals?
Washing hands prevents pathogens from passing on to other patients
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What is meant by a mutation of a pathogen?
A change in a gene
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How is a pandemic different to an epidemic?
An epidemic is a disease that spreads within a country and a pandemic is throughout many countries
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Why don't doctors give antibiotics for mild throat infections?
BEcause the bacteria will become resistant to the antibiotics
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Explain how bacteria develop antibiotic resistance?
The bacteria mutate and become resistant to the antibiotic. The antibiotic kills the non - resistant strain making it more resistant each time
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How does a person develop immunity following vaccination?
The white blood cells react by producing antibodies. When the body becomes infected it will produce more antibodies
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Other cards in this set

Card 2

Front

Give three reasons why a person may be malnourished

Back

Too much energy, too little food, missing nutrients

Card 3

Front

Give three factors that affect how much energy a person needs

Back

Preview of the front of card 3

Card 4

Front

What is meant by metabolic rate?

Back

Preview of the front of card 4

Card 5

Front

What is a pathogen?

Back

Preview of the front of card 5
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