1. HIV 1: Answer begins with onset of acute infection responses after an initial invasion bythe virus causes overt symptoms -relatively short stage -can progress to stage 2 2. HIV 2: Answer can last for years, even decades before progressing to final and mostserious stage 3 3. HIV 3: Answer AIDS profound reduction of immunity poor protection against infection increased risk for cancer development with adequate care and drug therapy, can live for years 4. HIV is a retrovirus: Answer inserts RNA into human cells DNA with enzyme reversetranscriptase to exert control over human cells actions 5. HIV infectious process: Answer -HIV enters blood stream and hijacks CD4+ TCell -When HIV enters a CD4+T-cell, this host cellstops being an active immune systemcell and becomes a virus factory, creating more virus particles. -Gradually CD4+ T-cell counts fall, viral numbers (viral load) rise, and without treatment, the patient eventually dies of opportunistic infection or cancer.

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jordancarter 7 months ago

This study guide is clear, well-organized, and covers all the essential topics. The explanations are concise, making complex concepts easier to understand. It could benefit from more practice questions, but overall, it's a great resource for efficient studying. Highly recommend!
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