Immune Response in biochemistry
To detect a humoral immune response to influenza virus, it is possible to measure

dividing T cells in the draining lymph nodes
serum antibody titer
plasma cytokine levels
cytotoxicity of virus-infected cells in tissue culture

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Immune Response in biochemistry
If a person is vaccinated against a disease sometime in the past, which of the following is currently in your body?

The disease organism itself and antigens for the disease organism
Memory B lymphocytes for the antigen of this disease organism
All of these
A very high level of antibodies against the disease antigens

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Immune Response in biochemistry
Immunological memory is due to

long lived B cells that secrete a specific antibody
long lived B cells that secrete a specific antigen
short lived helper T cells that signal macrophage to divide
short lived macrophage that can recognize specific pathogens

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