Vaccination
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We get sick the first time we encounter a virus, but we do not get sick the second time we encounter the same virus.  Explain why by indicating whether each statement represents the primary or secondary response to a pathogen: *
10 points
Primary
Secondary
longer lag between exposure and antibody production
greater total antibody production
shorter time for peak antibody production
less lag between exposure and antibody production
secondary exposure
lower total antibody production
first exposure
antibody levels remain high for a longer period of time
longer time for peak antibody production
antibody level declines rapidly
What type of cell produces antibodies?
you should know what each of these cell types does
1 point
Clear selection
These cells activate killer T cells and B cells
you should know what each of these cell types does
1 point
Clear selection
After an initial infection, B-cells recognize the measles virus. How is this helpful in human immune response?
1 point
Clear selection
Place the following steps of coronavirus vaccination process in order, from first to last: *
8 points
1
2
3
4
5
6
7
8
spike protein migrates to cell surface
helper T cells secrete cytokines
cell translates vaccine genetic code for spike protein
antigen presenting cell places spike antigen on its surface
antibodies available to neutralize coronavirus if infection occurs
vaccine fuses with cells
inject vaccine into recipient
B cells secrete antibodies
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