Health issues and non-communicable diseases

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17 Terms

1
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How do stents work?

widens arteries to keep them open so squashing fatty material

2
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advantages and disadvantages of stents

Advantages:

  • effective for long time

  • recovery time is quick

Disadvantages:

  • risk of infection

  • risk of blood clot developing near stent called thrombosis

3
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How do statins work?

reduces the amount of cholesterol and increases HDL cholesterol

4
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advantages and disadvantages of statins

Advantages:

  • can reduce risk of strokes and coronary heart disease

Disadvantages:

  • need to be taken regularly

  • patient is forced

  • side effects e.g. headaches, kidney failure

  • not an individual treatment

5
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How does an artifical heart work?

pumps blood for patient whose heart has failed

6
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advantages and disadvantages of an artificial heart

Advantages:

  • less likely to be rejected because no living tissue

Disadvantages:

  • led to bleeding and infection during surgery

  • don’t work as well

  • can wear out

  • need to take drugs to thin blood

  • uncomfortable if wounded

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cardiovascular disease

diseases of the heart or blood vessels

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disease

abnormal condition that affects the structure or function of part or all of the body

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How do you calculate the rate of reactions if only the time is given?

1000/time

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How do you calculate the rate of reactions if the volume and time is given?

volume/time

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What happens when the valves in the heart are damaged or weakened?

the blood won’t flow and circulate as effectively as normal

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Replacement heart valves can be from…

  • humans or other mammals (biological valves)

  • man-made (mechanical valves)

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Replacement heart valves can cause…

blood clots

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Artificial blood can be a…

a saline solution and is safe if there are no air bubbles in the blood

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non-communicable diseases

diseases that affect people as a result of their genetic makeup, lifestyle, and factors in their environment

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medical risk factors for heart disease

  • high blood pressure

  • high cholesterol

  • diabetes

  • genetic factors

  • medications

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carcinogen

a substance capable of causing cancer in living tissue