Health issues and non-communicable diseases

How do stents work?

widens arteries to keep them open so squashing fatty material

advantages and disadvantages of stents

Advantages:

• effective for long time

• recover quickly

Disadvantages:

• risk of infection

• risk of thrombosis (blood clot)

How do statins work?

reduces the amount of cholesterol and increases HDL cholesterol

advantages and disadvantages of statins

Advantages:

• can reduce risk of strokes and coronary heart disease

Disadvantages:

• need to be taken regularly

• side effects

How does an artifical heart work?

pumps blood for patient whose heart has failed

advantages and disadvantages of an artificial heart

Advantages:

• less likely to be rejected because no living tissue

Disadvantages:

• risk of infection

• relatively not as effective

• can wear out

• need to take drugs to thin blood

cardiovascular disease

diseases of the heart or blood vessels

disease

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

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

1000/time

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

volume/time

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

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

Replacement heart valves can be from…

• humans or other mammals (biological valves)

• man-made (mechanical valves)

Replacement heart valves can cause…

blood clots

Artificial blood can be a…

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

non-communicable diseases

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

risk factors for heart disease

• high blood pressure

• high cholesterol

• diabetes

carcinogen

a substance capable of causing cancer