6 3
When someone drinks alcohol, it is absorbed into the bloodstream.
The amount of alcohol in the blood is shown by the blood alcohol concentration (BAC).
This is measured as the number of grams (g) of alcohol in 100 millilitres (ml) of blood.
Look at the graph.
It shows the relative increased risk of an accident based on BAC levels. 35 30 25 relative increased risk of accident
20 15 10 5 0
0
0.04
0.08
0.12
0.16
0.20
BAC in g of alcohol in 100 ml of blood
Read the information below.
All the alcohol consumed is absorbed into the bloodstream. There are 4000 ml of blood in the body of an adult.
© OCR 2015
0.24