Tetanus is a bacterial infection.
The graph shows the blood antibody concentration of two people.
On day 0, person G was injected with antibodies to the tetanus toxin and person H was injected with the vaccine for tetanus.
What could be the result if G and H were infected with the tetanus bacteria on day 20?
1 )
Tetanus antibodies would not be produced in person G.
Antibody production would peak after day 32 in person G.
3 )
Antibody concentration would stay constant in person H.
4 )
A second antibody peak would occur in person H that would be lower than the first peak.
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