A worker in a crowded workshop is diagnosed with tuberculosis.
Which action would best limit the exposure of other employees to the tuberculosis bacteria?
wearing protective clothing when cleaning up blood spills
using sterile needles for any injections given at work
washing hands before preparing meals for the employees
isolating the infected worker from the other employees
112 exam-style questions on Edexcel GCSE Biology 5.1 Health and communicable disease, covering 5.1.1 Communicable and non-communicable diseases, 5.1.2 Disease susceptibility interactions, 5.1.3 Pathogens as disease-causing organisms, 5.1.4 Common infections, 5.1.5 Spread and prevention of pathogens, 5.1.6 Lifecycle of a virus, and 5.1.7 Spread and prevention of STIs. Each one has a worked solution and a mark scheme showing where the marks go.