Acquiring Immunity (VCE SSCE Biology): Quizzes
📚Quizzes
Practise the questions
10 questions from this quiz
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Practise the questions
10 questions from this quiz
What determines whether immunity is active or passive?
What determines whether immunity is active or passive?
Where the antibodies come from
Why does natural active immunity provide long-lasting protection?
Why does natural active immunity provide long-lasting protection?
Memory cells are created
How can a baby acquire natural passive immunity?
How can a baby acquire natural passive immunity?
Breastfeeding and placenta transfer
What can vaccines contain to trigger immunity?
What can vaccines contain to trigger immunity?
Attenuated or inactivated pathogens
Why is the secondary immune response larger and faster?
Why is the secondary immune response larger and faster?
Memory cells quickly recognize antigen
Why is passive immunity temporary?
Why is passive immunity temporary?
Antibodies degrade; no memory cells form
When are booster vaccines given?
When are booster vaccines given?
Much later after program completion
Which is an example of artificial passive immunity?
Which is an example of artificial passive immunity?
Antivenom for snake bites
How does herd immunity protect a population?
How does herd immunity protect a population?
Immune people can't harbor/transmit it
What percentage must be immune to achieve herd immunity against polio?
What percentage must be immune to achieve herd immunity against polio?
80-86%