Biology Unit 6 - HIV 0.0 / 5 ? BiologyHealth, illness and diseaseA2/A-levelEdexcel Created by: lauraking20Created on: 11-06-17 12:37 What is a pathogen? Any organism that causes disease 1 of 9 How is HIV spread? Through infected bodily fluids 2 of 9 Where can viruses only reproduce? Inside cells of the organism it has infected 3 of 9 What cells do HIV replicate inside? T helper cells 4 of 9 Why can't it replicate on its own? Doesnt have the equipment - enzymes, ribosomes 5 of 9 What does HIV eventually lead to? AIDS 6 of 9 What is AIDS? A condition where the immune system deteriorates and eventually fails 7 of 9 When are people classed as having AIDS? 1) Symptoms of their failing immune system appear OR 2) Their T helper cell count drops below a certain level 8 of 9 How do people die? They die from an opportunistic disease (kills them because weak immune system) not AIDS itself 9 of 9
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