370782
Beschreibung
Quiz von Beth Ritchie, aktualisiert more than 1 year ago
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Erstellt von Beth Ritchie
vor etwa 11 Jahre
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Frage 1
Frage
What is a pathogen?
Antworten
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A microorganism that causes disease
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A virus that causes disease
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A microorganism that causes infection
Frage 2
Frage
In which two ways do pathogens cause disease?
Antworten
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Damaging host tissues and producing viruses
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Damaging host DNA and producing viruses
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Damaging host tissues and producing toxins
Frage 3
Frage
What is a correlation?
Antworten
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When one variable changes
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When a change in one of two variables is reflected by a change in the other variable
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When a change in two variables proves there is a link, and is backed up with experimental evidence
Frage 4
Frage
What is a causal link?
Antworten
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Where one variable changes, and a change in another variable is present
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When a conclusion can be made from a graph
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When experimental evidence proves one thing directly caused another
Frage 5
Frage
What is risk?
Antworten
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A measure of the probability that damage to health will occur as a result of a given hazard
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A measure of how likely it is for a hazard to occur
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A measure of how likely it is for health to be affected
Frage 6
Frage
What is the single most effective way of increasing life expectancy?
Antworten
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Drinking one unit of alcohol per day
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Giving up smoking
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Increasing physical activity
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