Immunisation (Edexcel GCSE Biology): Quizzes
📚Quizzes
Practise the questions
12 questions from this quiz
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Practise the questions
12 questions from this quiz
What is immunisation?
What is immunisation?
Introducing inactive pathogen to stimulate immune response
What is a vaccine made from?
What is a vaccine made from?
Inactive or dead pathogen or its antigens
Why doesn't the inactive pathogen in a vaccine cause disease?
Why doesn't the inactive pathogen in a vaccine cause disease?
Because it is inactive
What do antigens from the vaccine stimulate?
What do antigens from the vaccine stimulate?
The specific immune system
What type of blood cells recognise antigens as foreign?
What type of blood cells recognise antigens as foreign?
Lymphocytes
What is the role of memory lymphocytes?
What is the role of memory lymphocytes?
Remember pathogen and produce antibodies quickly
What is herd immunity?
What is herd immunity?
High % vaccinated, disease spread reduced
Who does herd immunity help protect?
Who does herd immunity help protect?
People who cannot be vaccinated
Why is immunisation described as cost-effective?
Why is immunisation described as cost-effective?
Cheaper than treating preventable diseases
What are common mild side effects of vaccines?
What are common mild side effects of vaccines?
Sore arm, fever, or fatigue
Are vaccines always 100% effective?
Are vaccines always 100% effective?
No, but symptoms often milder if vaccinated
Which disease has been virtually wiped out by immunisation?
Which disease has been virtually wiped out by immunisation?
Smallpox