| How many blood types are there? | Do you know your own blood type? | What benefit do you have when you know your blood type? | |
| Correct answer 80% | Yes (%) | No (%) | -We help people who are in need of help (65%) -It enables us to exchange blood when necessary (25%) -It is necessary for blood transfusion (10%) |
| Wrong answer 20% | 45 | 55 | |