Welcome to the Quiz!
This quiz contains 12 questions from a mix of 1 subtopics.
Cardiovascular disease refers to diseases of the cardiovascular (circulatory) system.
Which three of the following make up the cardiovascular system?
Heart
Blood
Brain
Lungs
Blood vessels
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Which chemical process supplies the majority of the energy required for the contraction of muscle tissue?
Photosynthesis
Aerobic respiration
Active transport
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Coronary heart disease
oxygen / heart / oxygenated / deoxygenated / fatty / narrower / wider / blood
- Coronary arteries branch out of the aorta and supply blood to the muscle.
- In coronary heart disease, layers of material build up inside the coronary arteries, causing the lumen to get .
- This reduces the flow of through the coronary arteries, resulting in a lack of and nutrients for the heart muscle.
- This can cause chest pain as the heart muscle is starved of oxygen, and in severe cases, can cause a heart attack.
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Which of the following are treatments for coronary heart disease?
(Select all that apply)
Chemotherapy
Stent
Statins
Antibiotics
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How does a stent help treat coronary heart disease?
It expands within the artery to widen the lumen
It removes the fatty material from the artery
It stimulates the growth of new arteries
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What are the benefits of stents when treating coronary artery disease?
(Select all that apply)
The stents can last a long time
Surgery has a risk of complications
Surgery is quick
The stents have an almost immediate effect
There is a risk of thrombosis (blood clot)
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How do statins help treat coronary heart disease?
(Select all that apply)
They increase the amount of HDL cholesterol in the blood
They increase the amount of LDL cholesterol in the blood
They decrease the amount of HDL cholesterol in the blood
They decrease the amount of LDL cholesterol in the blood
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What are the disadvantages of statins when treating coronary artery disease?
(Select all that apply)
No surgery is required
The pills have to be taken every day
It can take months to see the positive effects
They have side effects such as kidney failure and headaches
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What are two problems that may be caused by faulty heart valves?
Not enough blood can pass though the valve
Blood gets deoxygenated as it passed through the valve
Blood can pass backwards through the valve
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Faulty heart valves can be replaced. valves come from other animals such as pigs or cows. Meanwhile valves are man-made, often from metal.
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Which of the following are treatments for heart failure?
(Select all that apply)
Statins
Replacement with biological heart
Dialysis
Replacement with artificial heart
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Which type of heart replacement might be rejected by the immune system?
Artificial heart
Biological heart
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