Consider the following statements:
I: | HIV is a retrovirus. |
II: | It infects and destroys the CD4 T-lymphocytes. |
III: | The newer antiretroviral drugs are a cure for HIV infection. |
Which of the above statements are true?
1. | I and II only | 2. | I and III only |
3. | II and III only | 4. | I, II, and III |
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Which of the following is not a characteristic of HIV?
1. | It mutates rapidly developing new strains. |
2. | It is a retrovirus with two short strands of ss RNA. |
3. | It cannot pass through blood-brain barrier. |
4. | It has the unique ability to destroy helper T cells. |
The most common opportunistic infection associated with AIDS is :
1. Tuberculosis
2. Pneumocystis carinii pneumonia
3. Cryptococcal meningitis
4. Toxoplasma encephalitis