New medicines are tested for toxicity, efficacy and dose. What is meant by the efficacy of a drug?
The amount of the drug that must be given to a patient each day
How well the drug works at treating the disease it is meant to treat
The length of time that the drug stays active inside the human body
How likely the drug is to cause harmful side effects in a patient
176 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.