1. A deliberate exposure to antigenic material which activates the immune system to make an immune response and provide immunity?
1 of 14
Other questions in this quiz
2. Lymphocytes divide by what ?
3. If a person has been vaccinated they have what ?
- Active immunity
4. What releases monokines that attract neutrophils ?
5. What can the antigenic material used in vaccines be?
- Harmless versions of the pathogenic organism