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Answer each question and check where every mark went.
- 1
Question 1
Antibiotics are drugs used to treat bacterial infections. Over time, some strains of bacteria have become resistant to these drugs.
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9 marksOpen › - 2
Question 2
Cholera is a transmissible disease. A vaccination programme was carried out in an area where outbreaks of cholera occur frequently.
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10 marksOpen › - 3
Question 3
Antibodies are proteins produced by lymphocytes. A person suspected of having a bacterial infection is given an injection of ready-made antibodies, followed later by two injections of a vaccine.
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10 marksOpen › - 4
Question 4
Methicillin-resistant Staphylococcus aureus (MRSA) is a strain of bacterium that has become resistant to several antibiotics. It can cause infections that are difficult to treat in hospitals.
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9 marksOpen ›