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Fighting Infections with Your Immune System Quiz

1. What do antibodies do with pathogens?
Correct.
Incorrect.
2. The graph below shows antibody levels in two different patients who have just been infected with the same pathogen. Assume that all patients develop the same number of antibodies during their primary and secondary immune response. Which patient do you think just got the disease for the first time? Explain your answer.
Image Credit: Science Buddies
3. What function do memory cells have in our body?
Correct.
Incorrect.
4. Why are vaccines important?
Correct.
Incorrect.
5. You repeat an experiment similar to what you did in class, where salt represents the body’s cells and iron filings represent pathogens, but find a way to measure their masses separately. The results of two different simulations are shown in the table below.
Image Credit: Science Buddies

Explain in your own words which of these simulations represents someone with an autoimmune disease, and why.

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