HIV/AIDS Flashcards
What immune cells does HIV target?
helper T cells
How do helper T cells work?
release chemicals that attract other WBCs to the site of infection
chemicals also cause other WBCs to multiply and create antibodies that mark bacteria to be destroyed by the immune system
HIV + ___ = AIDS
opportunistic infection
Examples of opportunistic infections
meningitis, encephalitis, pneumonia, TB, kaposi’s sarcoma, non-hodgkin’s lymphoma
How does HIV use CD4 T cells?
uses the cells to make new viral particles and multiply HIV in the body
How do antiretroviral medications work?
prevent the virus from attaching to your cells
prevent the creation, assembly, and spread of new viruses
don’t completely remove the virus from your body but slows down the production to help your body fight off infection
Everyone with AIDS has HIV; but everyone with ___ doesn’t have ___ .
HIV, AIDS
How is HIV transmitted?
sexual contact, blood, and body fluids
perinatally: can cross placenta, transmission usually at delivery
Lab diagnostics for HIV
ELISA and western blot analysis (ELISA is always followed by western blot to confirm diagnosis of HIV); used to measure HIV antibodies
OraQuick: in-home HIV test
Priority problems in HIV
most important is risk for infection
pain, inadequate nutrition, inadequate oxygenation, diarrhea, confusion, reduced self-esteem
could be important for these people to see a psychiatrist because it impacts mental health
Primary drug therapy for HIV
HAART: highly active antiretroviral therapy (multiple drugs used together in combination)
these are expensive but there are resources to help patients get them