B1 - Cancer and drug development 0.0 / 5 ? BiologyHealthy livingGCSEOCR Created by: RachelcfxCreated on: 26-04-16 21:33 What is cancer caused by? Cells dividing out of control. 1 of 7 What is a tumour? A mass of cells. 2 of 7 What is a benign tumour? A tumour grows until there's no more room, isn't normally dangerous. 3 of 7 What is a maligant tumour? Tumour grows and spreads to other parts of the body, fatal. 4 of 7 How are drugs usually tested? (4 steps) Computer models, tested on human tissues, test drug on animals, test drug on humans 5 of 7 What is a clinical trial? The trial in which drugs are tested on humans. 6 of 7 How does a clinical trial work? Two groups of patients, one given new drug, other given a fake drug, patients don't know which is which. 7 of 7
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