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HIV-2 infection has a longer latent period before the appearance of AIDS, a less aggressive course of AIDS, and a lower viral load with higher CD4 lymphocyte counts than HIV-1 infection until late in the course of the disease when clinical AIDS is apparent.
Answer: a) Lymphocytes. Explanation: The nurse should know that HIV specifically invades and depletes the helper T4 lymphocytes, also called the CD4 lymphocytes. Depletion of lymphocytes reduces the immunity of the individual. The HIV virus does not invade erythrocytes, granulocytes, or platelets.