A patient has a throat infection caused by bacteria. The bacteria release a toxin that damages the tissues of the throat. A doctor gives the patient antitoxins. These neutralise the toxin, but the bacteria are still present in the throat.
Explain how the patient's white blood cells can destroy the bacteria in the throat.
252 exam-style questions on AQA GCSE Biology 3.1 Communicable diseases, covering 3.1.1 Communicable (infectious) diseases, 3.1.2 Viral diseases, 3.1.3 Bacterial diseases, 3.1.4 Fungal diseases, 3.1.5 Protist diseases, 3.1.6 Human defence systems, 3.1.7 Vaccination, 3.1.8 Antibiotics and painkillers, and 3.1.9 Discovery and development of drugs. Each one has a worked solution and a mark scheme showing where the marks go.