Immunisation (Edexcel GCSE Biology Combined Science): Quizzes
📚Quizzes
Practise the questions
10 questions from this quiz
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Practise the questions
10 questions from this quiz
What is immunisation?
What is immunisation?
Introducing inactive pathogen to cause immunity
What are vaccines made from?
What are vaccines made from?
Inactive or dead pathogen or its antigens
What type of white blood cell recognises antigens as foreign during immunisation?
What type of white blood cell recognises antigens as foreign during immunisation?
Lymphocytes
What is the role of memory lymphocytes?
What is the role of memory lymphocytes?
Remember pathogen & make antibodies quickly
What is herd immunity?
What is herd immunity?
High % vaccinated reduces disease spread
Why don't inactive pathogens in vaccines cause disease?
Why don't inactive pathogens in vaccines cause disease?
They are inactive but still have antigens
What is a cost advantage of immunisation?
What is a cost advantage of immunisation?
Cheaper than treating preventable diseases
What happens if a vaccine is not 100% effective in someone?
What happens if a vaccine is not 100% effective in someone?
May still get disease but milder symptoms
Who does herd immunity help protect?
Who does herd immunity help protect?
Those who cannot be vaccinated
Which disease has been virtually wiped out by immunisation programmes?
Which disease has been virtually wiped out by immunisation programmes?
Smallpox