Understanding Immunity and Vaccination

Front

What does it mean to be immune to a disease?

Back

You are resistant to that disease and cannot be infected again

Front

What is the main purpose of immunisation?

Back

To provoke the body into making antibodies and a memory of antigens

Front

Antigen

Back

A substance in a microbial cell

Front

How do vaccines help protect you from diseases?

Back

By provoking your body to make antibodies and remember the antigens

Front

Which of the following is true about the polio vaccine?

• It contains a killed virus
• It contains a weakened form of the virus
• It contains no virus at all
• It causes a real polio infection

Back

It contains a weakened form of the virus

Front

Why are diseases like tetanus and diphtheria now very rare in Great Britain?

Back

Because children are vaccinated when they are very young

Front

Which disease has been almost eliminated through vaccination? Options: Influenza, Smallpox, Malaria, Tuberculosis

Back

Smallpox

Front

What do vaccines usually contain to provoke immunity?

Back

Killed micro-organisms or fragments of their cells

Front

What happens if you meet the real micro-organism after being vaccinated?

Back

Your body will be ready to fight it off

Front

Which of the following statements is correct about vaccines?

Back

They bring your white cells into action without causing a real infection