Bacteria in an infected cut release a toxin. White blood cells respond to the infection.
Which outcome is caused by an antitoxin?
The harmful effect of the toxin on the tissue is cancelled out.
The toxin is engulfed and digested inside white blood cells.
The bacteria are stopped from releasing any more toxin.
The bacteria releasing the toxin are killed in the tissue.
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.