CAIE IGCSE Biology 10.1.15 Passive Immunity Has No Memory Cells
Practise linking the absence of memory-cell production to the short duration of passive immunity.
- Syllabus
- 2026–2028
- Course
- Biology 0610
10.1.15—Memory cells are not produced question 1
[Maximum number: 2]
Meningitis is a transmissible disease. One form of the disease is caused by the bacterium Neisseria meningitidis.
People who have meningitis are treated with injections of antibodies to give them passive immunity.
Explain why passive immunity does not give long-term protection against diseases, such as meningitis.
1 no (active) immune response ;
2 no memory cells ;
3 antibodies are broken down in the body ;
4 antibodies are not made by body's own lymphocytes ;
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