Resisting infection questions

Select all the correct answers.
Which of these are barriers to infection?
Bloodstream
Skin
White blood cells
Stomach acid
Tears



iDevice icon Question
Read the paragraph below and fill in the missing words.
Microorganisms make us ill because they rapidly and produce . Our bodies have systems to defend themselves against the invading . The immune system uses on microorganisms to recognise them.
  

Select three answers.
The three ways in which white blood cells defend the body are:
engulfing microorganisms
eating microorganisms
producing antibodies
digesting microorganisms
zapping microorganisms with little ray guns



True or False


All microorganisms can be recognised using the same antibodies.

True False

Once the body has made the antibody to recognise a particular microorganism it can make that antibody again very quickly, protecting against that particular microorganism.

True False
« Previous | Next »