While teaching about HIV/AIDS to a group of high school seniors, the school health nurse will begin by explaining the basic facts that will likely include which of the following information?
A)
Like all viruses, HIV is a genetic material made from DNA with long molecules that carry genetic information.
B)
HIV is different from other viruses since it is a retrovirus that selectively attacks the body's immune cells.
C)
There are two types of HIV, but the one that is endemic to the United States is HIV type 2.
D)
HIV type 1 for some reason rarely develops into full-blown AIDS.
Ans:
B
Feedback:
HIV is a retrovirus that selectively attacks the CD4+ T lymphocytes, the immune cells responsible for orchestrating and coordinating the immune response to infection. It must change from RNA to DNA through a series of stages in order to get in a cell and begin replication. HIV type 2 is endemic in West Africa but is rarely seen in other parts of the world. People with HIV-2 tend not to develop AIDS.
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