Antigen
Very low doses of antigen may induce

low zone immunity
hypersensitivity
low zone tolerance
immunological ignorance

ANSWER DOWNLOAD EXAMIANS APP

Antigen
During the lag period between antigen contact and detection of adaptive immunity,

innate immunity blocks the activation of adaptive immune effector cells
new B and T cells with the appropriate antigen specificity must be produced in the bone marrow
innate immune effectors are eliminating antigen
antigen is hidden from the immune system in macrophages

ANSWER DOWNLOAD EXAMIANS APP