AQA Biology GCSE (9 - 1) - 4.3.1 - Communicable Diseases Exam Questions and Answers 100% Verified and Updated

AQA Biology GCSE (9 - 1) - 4.3.1 - Communicable Diseases Exam Questions and Answers 100% Verified and Updated How are pathogens spread (4) - Answer️️ -Air (+Droplet infection) Water Direct contact (+Sexual contact) By a vector How can we reduce the spread of diseases - Answer️️ -Hygiene (Hand washing, ect) Isolating infected individuals Destroying or controlling vectors Vaccination What are pathogens - Answer️️ -Microorganisms that cause disease What types of microorganism can pathogens be (4) - Answer️️ -Bacteria Viruses Fungi Protists How do bacteria cause disease - Answer️️ -Divide rapidly inside body May produce toxins that affect the body May directly damage your cells How do viruses cause disease - Answer️️ -Take over the cells of your body Live and reproduce inside those cells This damages and destroys them List some viral diseases - Answer️️ -Measles HIV/AIDS Tobacco mosaic virus How is measles spread - Answer️️ -Droplet transmission What are the symptoms of measles - Answer️️ -Fever Red skin rash What are the long term effects of measles - Answer️️ -Blindness Brain damage What is the treatment for measles - Answer️️ -No cure Children vaccinated against it How is HIV/AIDS spread - Answer️️ -Sexual contact with an infected individual Exchange of bodily fluids from an infected individual What are the symptoms of HIV/AIDS - Answer️️ -Mild flu-like symptoms What are the long term effects of HIV/AIDS - Answer️️ -Damages immune system Become very susceptible to opportunistic diseases What are the treatments for HIV/AIDS - Answer️️ -No cure Prevention (Barrier method, isolating infected individuals from