AQA Biology B1.1: Keeping Healthy

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What word describes someone with insufficient mineral ions or vitamins?
Malnourished
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'Pathogen' is synonymous with (another word for) 'disease'. True or false?
False: Pathogens are microorganisms that cause disease, they are not the disease themselves
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The two main types of pathogen are...
Bacteria and viruses
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Hungarian physician Ignaz Semmelweis employed what method of infection prevention in many hospitals?
Hand washing before treatments and between wards
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Why did many medical professionals not initially accept Semmelweis's proposal?
Pathogens had not been discovered, so he could not prove why this would make a difference
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Of which bodily system are white blood cells (leukocytes) a part?
The immune system
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Antibiotics are drugs which kill pathogens, or infective bacteria. True or false?
True: Antibiotics destroy the pathogens, thereby killing them. They are 'anti-bio', 'against-life'
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Why can antibiotics not be used effectively to combat viruses?
Viruses reside and reproduce within the body's own cells, and thus cannot be easily identified as harmful foreign bodies and inhibited
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What is the main reason it is medically beneficial to grow and investigate cultures of microorganisms?
Their reactions to various new antibiotics can be observed, to see the effectiveness of a developing drug
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A seemingly random alteration in the composition of genetic material during its mitotic replication in asexual reproduction is referred to as a...
Mutation
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Genetic alterations can result in a new forms of pathogens. These new forms may develop into entire strands of antibiotic resistant bacteria through...
Natural selection
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Vaccines contain pathogens. True or false?
True: But only dead or inactive forms of them; in this way, immunity can develop at little or no risk to the patient
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A nationwide contagion is an epidemic. An international contagion is referred to as a...
Pandemic
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Some vaccines may have detrimental, even dangerous side effects. True or false?
True: Vaccines cause immunity, but also, sometimes, other ailments; it is worth contracting a short-term mild illness for entire prevention of a more serious one, however, most people argue
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Who discovered penicillin, perhaps the most famous antibiotic?
Sir Alexander Fleming, FRSE, FRS, FRCS
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Other cards in this set

Card 2

Front

'Pathogen' is synonymous with (another word for) 'disease'. True or false?

Back

False: Pathogens are microorganisms that cause disease, they are not the disease themselves

Card 3

Front

The two main types of pathogen are...

Back

Preview of the front of card 3

Card 4

Front

Hungarian physician Ignaz Semmelweis employed what method of infection prevention in many hospitals?

Back

Preview of the front of card 4

Card 5

Front

Why did many medical professionals not initially accept Semmelweis's proposal?

Back

Preview of the front of card 5
View more cards

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