Phases and Clinical Course of HIV
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Questions and Answers

During the clinical latency phase of HIV infection, patients typically experience

  • Fever and malaise
  • Reactivation of latent viruses
  • Increased susceptibility to infections and cancers
  • Progressive loss of CD4+ T cells (correct)

    • Which of the following is NOT a characteristic of AIDS?

  • Reactivation of latent viruses (correct)
  • Increased susceptibility to infections
  • Opportunistic infections
  • Increased susceptibility to cancers

    • When is a patient diagnosed as having AIDS?

  • During the acute HIV syndrome
  • When CD4+ T cell count falls below 200 cells/mm3 (correct)
  • During the clinical latency phase
  • When CD4+ T cell count falls below 1500 cells/mm3

    • Which type of cells are the main targets of HIV?

    <p>CD4+ helper T cells</p> Signup and view all the answers

    Which type of cells are infected by HIV and cause the dementia in some AIDS patients?

    <p>Macrophages</p> Signup and view all the answers

    Which two types of cancers are commonly associated with AIDS?

    <p>B cell lymphomas and Kaposi sarcoma</p> Signup and view all the answers

    What is the main reason for increased risk of infections by extracellular bacteria in AIDS patients?

    <p>Impaired helper T cell–dependent antibody responses</p> Signup and view all the answers

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