A blood test from a patient with malaria shows many damaged red blood cells. Why can an antimalarial drug limit further damage to the red blood cells?
The drug creates memory cells, so antibodies against the malaria pathogen are produced more quickly.
The drug kills malarial protists in the blood, so fewer red blood cells are damaged.
The drug kills malaria bacteria in the blood, so fewer cell-damaging toxins are released.
The drug stops malaria viruses reproducing inside red blood cells, so fewer cells are destroyed.
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.