Four adults are the same age and have no other identified risk factors for liver disease.
| Adult | Usual alcohol intake | Viral infection | Obesity |
|---|---|---|---|
| P | large amount every day | no | no |
| Q | none | yes | yes |
| R | large amount every day | yes | yes |
| S | small amount on one day each week | no | yes |
Explain which adult is most likely to develop liver disease.
The adult identified in part (a) reduces their alcohol intake after cirrhosis has developed.
Predict how this change will affect the adult's risk of further liver damage and the existing cirrhosis. Explain your answer.
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.