TB and HIV BIO4 5.0 / 5 based on 1 ratingTeacher recommended ? BiologyHealth, illness and diseaseA2/A-levelEdexcel Created by: KathCreated on: 30-05-14 18:25 Where does TB affect? respiratory system 1 of 16 What causes TB? bacteria from infected milk or droplet infection 2 of 16 What happens if a healthy person is infected with TB? localised inflammatory response forming a tubercule in lungs 3 of 16 When does TB become active? when immune system weakened or secondary infection occurs 4 of 16 How does TB bacteria survive in the lungs? waxy outer layer protects them from enzymes 5 of 16 What does the TB bacteria attack to cause symptoms? the alveoli 6 of 16 What cells does TB target? T cells 7 of 16 What are common treatment options for TB? detected using by x-ray and use antibiotics 8 of 16 What can prevent TB infection? vaccination 9 of 16 What is HIV/AIDS caused by? retrovirus 10 of 16 How is HIV/AIDS transmitted? sharing infected bodily fluids 11 of 16 How does HIV become AIDS? infects T helper by the CD4 receptor and replicates its DNA from RNA using reverse transcriptase, destroys them when it leaves 12 of 16 What are the symptoms of HIV/AIDS? fever, diarrhea, weight loss and secondary infections 13 of 16 What is the treatment of HIV/AIDS? anti retroviral drugs 14 of 16 HIV/AIDS doesn't kill you, true or false? true - you die of the secondary infection 15 of 16 Why do secondary infections occur in HIV/AIDS? reduced T helper cell numbers 16 of 16
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