(a(i))[1]
State the name of the blood vessel that is blocked.
(a(ii))[3]
Describe how a blood clot is formed.
(a(iii))[1]
State the name of a drug that may be used to treat coronary heart disease.
(b(i))[3]
Calculate the percentage decrease in the number of CHD deaths per 10000 women between those who did no exercise and those who exercised for 4.1 to 10.0 hours a week, using the data in Fig. 5.2. Give your answer to the nearest whole number.
(b(ii))[5]
Discuss the arguments for and against health professionals using this study in this way. Base your arguments on how the study was designed and on the results shown in Fig. 5.2.
(c)[3]
Explain why exercise causes heart rate to increase.