B1 H - SAMPLE SET 1 Q5
5.1) Blood is made up of four main components.
Red blood cells and white blood cells are two of these components.
Describe the functions of the two other components of blood. [2 marks]
5.2) The heart is often described as a double pump.
Describe why. [ 1 mark]
5.3) In coronary heart disease (CHD) layers of fatty material build up inside the coronary arteries. This can cause a heart attack.
Statins and stents can be used to reduce the risk of a heart attack in people with CHD.
Evaluate the use of statins and stents in people with CHD.
Remember to include a justified conclusion. [6 marks]
Red blood cells and white blood cells are two of these components.
Describe the functions of the two other components of blood. [2 marks]
5.2) The heart is often described as a double pump.
Describe why. [ 1 mark]
5.3) In coronary heart disease (CHD) layers of fatty material build up inside the coronary arteries. This can cause a heart attack.
Statins and stents can be used to reduce the risk of a heart attack in people with CHD.
Evaluate the use of statins and stents in people with CHD.
Remember to include a justified conclusion. [6 marks]
(Total for Question 5 = 9 marks)