11. What is the result of invasion of a body by pathogens?
A. Infection
B. Inflammation
C. Swelling
D. Pus
12. What is the behavior in which T cells and B cells constantly travel throughout the body seeking out and destroying foreign substances?
A. Antibody-mediated immune response
B. Immune surveillance
C. Cell-mediated immune response
D. Vaccination
13. In a fetus, where are lymphocytes produced?
A. In the spleen
B. In the bone marrow
C. In the liver
D. In the heart
14. Which of the following produces the antibodies employed in the specific immune response of vertebrates?
A. B lymphocytes
B. T lymphocytes
C. Neutrophils
D. Macrophages
15. Which of the following is not part of the vertebrate immune system?
A. Lymphocytes
B. Antibodies
C. Cardiac glycosides
D. Lymph nodes