Memory lymphocytes (Edexcel GCSE Biology): Quizzes
📚Quizzes
Practise the questions
11 questions from this quiz
ShowHide
Practise the questions
11 questions from this quiz
What is the main role of memory cells in the body?
What is the main role of memory cells in the body?
Long-term defence against specific pathogens
Why is the initial immune response to a pathogen slow?
Why is the initial immune response to a pathogen slow?
Memory cells are not yet present
What happens during the initial infection before the body overcomes it?
What happens during the initial infection before the body overcomes it?
The person shows symptoms of illness
What type of blood cell are lymphocytes?
What type of blood cell are lymphocytes?
White blood cells
What happens to some lymphocytes after an infection is cleared?
What happens to some lymphocytes after an infection is cleared?
They remain in the body as memory cells
What can memory lymphocytes do if exposed to the same pathogen again?
What can memory lymphocytes do if exposed to the same pathogen again?
Multiply rapidly and produce antibodies
How does the secondary immune response compare to the initial response?
How does the secondary immune response compare to the initial response?
Faster and more effective
What often happens to the pathogen during a secondary immune response?
What often happens to the pathogen during a secondary immune response?
It is eliminated before symptoms appear
When are memory lymphocytes created?
When are memory lymphocytes created?
After the first exposure to a pathogen
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 vaccines work on?
What principle do vaccines work on?
Creating memory lymphocytes for immunity