Final answer:
The statement that the anamnestic response is faster but less vigorous compared to the primary response is false. The secondary immune response is both faster and more forceful than the primary response, providing better immunity against re-exposure to the same pathogen.
Step-by-step explanation:
The statement regarding the anamnestic response of specific immunity being faster but less vigorous compared to the primary response is false. In fact, upon re-exposure to the same pathogen, the secondary adaptive immune response, which is the anamnestic response, is generated more rapidly and is also stronger than the primary response.
During the primary response, B cell clones expand and differentiate into plasma cells which secrete antibodies. However, this response takes several days to develop and leads to the production of a lower level of antibodies. In contrast, the secondary response triggers a robust production of IgG antibodies that are higher in quantity and have increased affinity for the antigen, often eliminating the pathogen before it can cause significant tissue damage or symptoms.
This enhanced response is due to the presence of memory B cells, which were created during the primary response and are specifically programmed to quickly and effectively respond to subsequent exposures of the same pathogen. As a result, the secondary immune response often prevents the disease from manifesting again.