A technician with raised blood cholesterol is given treatment to lower their blood pressure.
The table shows measurements from two health checks.
| Health check | Blood pressure in mmHg | Blood cholesterol concentration in mmol dm⁻³ |
|---|---|---|
| Before treatment | 158/96 | 6.4 |
| Six months after starting treatment | 126/80 | 6.4 |
Explain why the technician's risk of cardiovascular disease is expected to be lower after six months but has not been reduced to zero.
102 exam-style questions on Edexcel GCSE Biology 5.4 Non-communicable diseases, covering 5.4.1 Interaction of factors in non-communicable disease, 5.4.2 Lifestyle factors and non-communicable disease, and 5.4.3 Treatments for cardiovascular disease. Each one has a worked solution and a mark scheme showing where the marks go.