This problem set is designed to introduce basic concepts about the immune system.

Introduction

Instructions: The following problems have multiple choice answers. Correct answers are reinforced with a brief explanation. Incorrect answers are linked to tutorials to help solve the problem.

1. Pathogens and antigens
2. Cord blood transplants
3. Innate immune response
4. Adaptive immune response
5. Antibody diversity
6. Antigen combining sites
7. Allergy
8. Cellular immunity
9. Clonal selection theory
10. Regulation by the MHC
11. Lack of immune response to self
12. HLA genetic diversity
13. Monoclonal antibodies