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How do we fight off foreign invaders like coronaviruses? How long will a vaccine protect us? Test your immunity IQ.
How does immunity work?
01
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How many classes of antibodies do humans produce?
3
5
4
6
IgA
IgG
IgE
IgM
02
Which of the following antibody classes is produced first after an infection?
Active infection
No infection
Early-stage infection
Past infection
03
If an antibody test returns a positive result for IgG antibodies but a negative result for IgM antibodies, what does this indicate?
1
2
04
Approximately how many weeks after an initial infection does antibody production usually peak?
05
What type of antibody is rapidly produced if we get reinfected with an antigen we’ve previously been infected by?
B lymphocytes
Neutrophils
T lymphocytes
Monocytes
06
What type of white blood cell produces antibodies when our body detects a pathogen we’ve been infected with before?
Influenza
Polio
Measles
Rubella
07
For which of the following illnesses does a different vaccine have to be regularly produced?
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Correct Answers
1. How many classes of antibodies do humans produce?
2. Which of the following antibody classes is produced first after an infection?
3. If an antibody test returns a positive result for IgG antibodies but a negative result for IgM antibodies, what does this indicate?
4. Approximately how many weeks after an initial infection does antibody production usually peak?
5. What type of antibody is rapidly produced if we get reinfected with an antigen we’ve previously been infected by?
6. What type of white blood cell produces antibodies when our body detects a pathogen we’ve been infected with before?
7. For which of the following illnesses does a different vaccine have to be regularly produced?
