A person has Chlamydia infection but has no symptoms.
Which statement explains why using a condom can still reduce transmission?
the condom prevents bacteria from being exchanged during sexual contact
the condom prevents viruses from being exchanged during sexual contact
the condom prevents bacteria from being carried in airborne droplets
the condom prevents viruses from being carried in airborne droplets
43 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.