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Preventing and treating disease B6

Quiz by Horia

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24 questions
Show answers
  • Q1
    What are antigens?
    Unique proteins on the surface of cells. Self antigens trigger an immune response.
    Unique proteins on the surface of cells. Foreign antigens trigger an immune response.
    30s
  • Q2
    What happens after your body has fought off an infection that makes you immune to that pathogen?
    White blood cells called memory cells remain in the body remembering which shaped antibody to produce if it encounters the same (antigen on the) pathogen again.
    White blood cells called memory cells remain in the body remembering which shaped antitoxin to produce if it encounters the same (antigen on the) pathogen again.
    30s
  • Q3
    What is the secondary response?
    The production and release of antibodies the first time the body encounters the antigen
    The production and release of antibodies the second time the body encounters the antigen
    30s
  • Q4
    What is the primary response?
    The production and release of antibodies the first time the body encounters the antigen
    The production and release of antibodies the second time the body encounters the antigen
    30s
  • Q5
    What is the secondary immune response like in comparison to the primary immune response?
    It is a greater amount of antibodies produced and released in a longer time. Bigger and quicker response
    It is a greater amount of antibodies produced and released in a shorter time. Bigger and quicker response
    30s
  • Q6
    What is a vaccine?
    A dead/weakened antigen
    A dead/weakened/just the antigen of a pathogen
    30s
  • Q7
    How does a vaccine help?
    The vaccine enables our bodies to encounter the antigen before the live/strong version leading us to form memory cells so that we are able to produce the correct antibodies before the normal version of the pathogen is able to cause harm/death.
    The vaccine enables our bodies to encounter the antigen before the weak version leading us to form memory cells so that we are able to produce the correct antibodies before the normal version of the pathogen is able to cause harm/death.
    30s
  • Q8
    What is herd immunity?
    A large proportion of the population is immune to a disease, the spread of the pathogen is very much reduced and the disease may disappear.
    A large proportion of the population is not immune to a disease, the spread of the pathogen is very much reduced and the disease may disappear.
    30s
  • Q9
    What happens if less people take a vaccine for a particular disease?
    Herd immunity is lost and people are likely to suffer from the disease as it will not be able to spread throughout the population
    Herd immunity is lost and people are likely to suffer from the disease as it will be able to spread throughout the population
    30s
  • Q10
    What are antibiotics?
    Chemicals that are used to kill bacteria outside the body
    Drugs that stop you from feeling pain temporarily, they have no effect on the pathogen.
    Drugs which are taken to kill bacteria.
    30s
  • Q11
    What are painkillers?
    Chemicals that are used to kill bacteria outside the body
    Chemicals used to kill bacteria in places such as toilets and kitchens.
    Drugs that stop you from feeling pain temporarily, they have no effect on the pathogen.
    Drugs which are taken to kill bacteria.
    30s
  • Q12
    What are disinfectants?
    Chemicals used to kill bacteria in places such as toilets and kitchens.
    Drugs which are taken to kill bacteria.
    Chemicals that are used to kill bacteria outside the body
    Drugs that stop you from feeling pain temporarily, they have no effect on the pathogen.
    30s
  • Q13
    What are antiseptics?
    Drugs which are taken to kill bacteria.
    Drugs that stop you from feeling pain temporarily, they have no effect on the pathogen.
    Chemicals that are used to kill bacteria outside the body
    30s
  • Q14
    How do antibiotics work?
    They kill bacteria whilst harming your cells as they target their way of dividing or forming their cell walls.
    They kill bacteria without harming your cells as they target their way of dividing or forming their cell walls.
    30s
  • Q15
    Why is the development of antibiotic resistant strains of bacteria a problem?
    They live inside our cells and so are hard to access and they don't divide themselves so we can't damage them without damaging our own cells.
    Strains of bacteria develop resistance due to people not finishing their course of antibiotics, over prescribing antibiotics when they aren't really needed
    It takes a lot of time to develop new antibiotics which can kill off the antibiotic resistant strains of bacteria.
    30s

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