SA:Volume, Risk Factors Flashcards

1
Q

What is the relationship between size and SA : Volume ratio?

A

As the size of the organisms increases the surface area to volume ratio decreases

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2
Q

What’s the correlation between the SA : Volume ratio and metabolic rate?

A
  • as the surface area to volume ratio decreases, metabolic rate also decreases.
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3
Q

What risk factors are associated with Lung Disease?

A
  • smoking, air pollution, infections, genetics and occupation (e.g. working with chemicals/gases and radiation)
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4
Q

What is a risk factor?

A
  • anything that increases the chance of getting a disease- eg, diet, smoking, age, occupation, etc.
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5
Q

What does correlation mean?

A
  • where a change in one of two variables is reflected by a change in the other variable. (variables may or may not be related)
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6
Q

What does cause mean?

A

-a factor which is directly a cause of a disease

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7
Q

What does Relative Risk mean?

A

the likelihood of harm occurring in those exposed to a hazard than with those who are not exposed to it

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