L09 - How do we treat and prevent communicable diseases PDF

How do we treat and Saturday 4 Ja nuary 2025 prevent communicable 1 diseases? What type of pathogens can Bacteria antibiotics treat? 2 B...

How do we treat and Saturday 4 Ja nuary 2025 prevent communicable 1 diseases? What type of pathogens can Bacteria antibiotics treat? 2 Bacteria spread in food How is salmonella spread? 3 Why do some viruses cause Viruses reproduce inside cells disease? then destroy them. 4 What can painkillers treat & not Symptoms but not the causes of treat? disease 5 A microorganism that causes What is a pathogen? disease CHALLENGE: Explain how some bacteria cause disease. Activating prior knowledge: Activation & check of prior knowledge: Different drugs have different purposes. Which of the following is the correct use of these drugs? 1) James asked for ibuprofen to 2) James used ibuprofen to treat cure the bacterial infection in his the symptoms of a mild bacterial ear infection 3) James was given amoxicillin to 4) James was given amoxicillin treat a very serious viral infection and ibuprofen to treat a very serious viral infection Activating prior knowledge: Area clear of bacterial growth Antibiotic producing mould  How do we treat and prevent communicable diseases? These statements are about antibiotics. “secondary” bacterial infections of wounds used to be a major cause of death TRU Antibiotics can treat bacterial or viral infections E FAL Antibiotics kill bacterial cells and human cells SE FAL Antibiotics kill bacterial cells and plant cells SE FAL Antibiotics only effect bacterial cells SE TRU E CHALLENGE: Explain whether you think the discovery and development of penicillin happened more because of luck of careful scientific work Anti-fungal treatments Antiretroviral treatments Are medicines that only effect fungal cells There are a small number of antiretrovirals. 1. What do antibiotics 4. Painkillers can treat 7. Retrovir is an destroy? the symptoms of… antiviral drug, it can a) viral infections a) viral infections treat some… b) bacterial infections b) bacterial infections a) viral infections c) fungal infections c) fungal infections b) bacterial infections d) all of the above d) all of the above c) fungal infections d) all of the above 2. What do antifungal 5. Penicillin is an drugs destroy? antibiotic, it can 8. Amoxicillin is an a) viral infections treat… antibiotic, it can b) bacterial infections a) viral infections treat… c) fungal infections b) bacterial infections a) viral infections d) all of the above c) fungal infections b) bacterial infections d) all of the above c) fungal infections 3. What infections do d) all of the above antretrovirals treat? 6. Canesten is an a) viral infections antifungal is can 9. Flucloxacillin is an b) bacterial infections treat… antibiotic, it can c) fungal infections a) viral infections treat… d) all of the above b) bacterial infections a) viral infections Scientists have developed vaccines. What is the purpose of vaccination? 1) To treat the symptoms of 2) To infect children with diseases infection in children so they catch them while young and heathy 3) To prevent people suffering 4) To treat bacterial and viral from dangerous infectious infections. diseases  Complete first: Complete once checked blue box Drugs such as paracetamol, codeine or answers: 1. What can painkillers treat & not ibuprofen are (antibiotics / painkillers) treat? Symptoms not causes of which contain chemicals that treat the disease symptoms of a disease (but dosen’t / and) (do not destroy pathogens) destroy the pathogens causing it. 2. How do antibiotics treat Antibiotics only work on (viral / bacterial) bacterial infections? Kill or low growth of infections – this means antibiotics (can / bacteria cannot) be used to treat viral, fungal or 3. What type of infections can protist infections. Antibiotics are substances Viral, fungal, antibiotics protist not treat? that kill or slow the growth of bacteria. Antibiotics damage bacterial cells (and / but 4. Why are antibiotics not Damage bacterial damaging but or to the animal notplant not) the hosts cells. Most antibiotics only host cells being given antibiotics? work on specific bacterial infections. Some, like penicillin work on many bacterial Vaccines prevent illness infections. 5. Do vaccines treat or prevent illness? Vaccines (treat / prevent) illness. Vaccines work by injecting a dead or inactive version of pathogen into CHALLENGE: Whythe body. will Thisoften doctors stimulates recommend taking painkillers while using  1. What happens to the number of measles cases in the 6 First vaccinated years after the first children start primary vaccinated children start school primary school “From 1994 Decrease to 2000 from 950 to 100 Most school age measles cases… children vaccinated Vaccination levels 2. What happens to number of start to fall measles cases in the 6 years amongst primary after most primary from children age children Slowly decrease 100 are50 to vaccinated? “From 2000 to 2006 measles cases… 3. What happens Increase fromto150 number of to 600 measles cases in the 6 years Independent Practice