HIV/AIDS Testing Flashcards
1
Q
What happens in acquired immunodeficiency (AIDS)?
A
HIV-1 retrovirus attacks CD4+ cells (T helper and macrophages)
2
Q
What T cells does the HIV-1 virus attack?
A
T helper cells (CD4+) and macrophages
3
Q
What test is used to screen for HIV?
A
ELISA for HIV-1 Antibody
4
Q
What test is confirmatory for HIV?
A
WESTERN BLOT
positive only if p24, gp41, and gp120 or gp160 is present
NUCLEIC ACID TESTING
5
Q
What bands in Western Blot must be present for HIV to be confirmed?
A
positive only if p24, gp41, and gp120 or gp160 is present
6
Q
What happens to the T helper/T regulatory (CD4:CD8) ratio in HIV/AIDS?
A
The ratio is decreased
