Chapter 7 Week 3 Immunity copy 2 (dragged) (dragged).pdf

Pediatric and Geriatric Considerations Pediatric Immunity Sufficient IgM but deficient IgG & IgA responses Maternal antibodies provide protection within the fetal circulation and during the first months of life Geriatric Immunity Decreased T-cell activity (Thymus size is 15% of its maximum size) Th...

Pediatric and Geriatric Considerations Pediatric Immunity Sufficient IgM but deficient IgG & IgA responses Maternal antibodies provide protection within the fetal circulation and during the first months of life Geriatric Immunity Decreased T-cell activity (Thymus size is 15% of its maximum size) Thymic hormone production drops, as does the organ’s ability to mediate T-cell differentiation Decreased antibody response to antigens