Memory lymphocytes (Edexcel GCSE Biology Combined Science): Quizzes
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10 questions from this quiz
What is the main role of memory lymphocytes in the immune system?
What is the main role of memory lymphocytes in the immune system?
Long-term defence against pathogens
When are memory lymphocytes produced in the body?
When are memory lymphocytes produced in the body?
After first exposure to a pathogen
What type of cell are lymphocytes?
What type of cell are lymphocytes?
White blood cells
How does the secondary immune response compare to the first response?
How does the secondary immune response compare to the first response?
Faster and more effective
What do memory lymphocytes do when the same pathogen enters the body again?
What do memory lymphocytes do when the same pathogen enters the body again?
Multiply rapidly and produce antibodies
Why does the initial response to a pathogen cause symptoms?
Why does the initial response to a pathogen cause symptoms?
Body takes time to make enough antibody
What often happens during the secondary immune response?
What often happens during the secondary immune response?
Pathogen eliminated before symptoms appear
How long do memory lymphocytes remain in the immune system?
How long do memory lymphocytes remain in the immune system?
A long time
What principle do memory lymphocytes demonstrate?
What principle do memory lymphocytes demonstrate?
Immunity
How do vaccines work in relation to memory lymphocytes?
How do vaccines work in relation to memory lymphocytes?
Same principle as natural immunity