Respuesta :
The correct answer is B. The individual's CD4+ count should be tested right away because an opportunistic infection in a person with HIV is a sign that the infection may have developed into AIDS. If a person with AIDS contracts even the most harmless of flus, they may die because their immune system is so weakened that it cannot fight off even a simple flu. This is why people suffering from AIDS have to be very careful about their health if they want to live.
If an HIV positive individual has followed treatment precisely as recommended, becomes ill with flu-like symptoms and seems to be getting worse instead of better. In this situation, an individual's CD4+ count should be tested right away because an opportunistic infection in a person with HIV is a sign that the infection may have developed into AIDS.
Further Explanation:
HIV has a plus-sense RNA genome and can be translated to make proteins. When HIV infects the host cell, it fuses with the host cell and converts its RNA into DNA and uses host cell machinery to replicate during the process called reverse transcriptase. AIDS is the ultimate stage of HIV infection. The population of T-helper cells (CD4+) drastically declines during HIV infection. HIV patients are more susceptible to opportunistic pathogens like Pneumocystis jirovecii.
The patients can acquire Kaposi’s sarcoma (cancer in the lining of blood and lymph) caused by human herpesvirus 8 (HHV8). HIV (human immunodeficiency virus) causes HIV infection, which eventually leads to AIDS (final stage). The virus infects T cells (CD4+ ) and proliferates to produce a large progeny of viruses. Due to the decrease in T helper cells, the individual becomes immunocompromised.
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Answer Details:
Grade: High School
Subject: Biology
Chapter: Cell Biology
Keywords:
HIV infection, immunodeficiency, lymph, proliferate, reverse transcriptase, virus, decrease, immunocompromised, patient, host cell.