Advanced Pathophysiology week 4 midterm 2022 (Real exam) Question 1 2 / 2 pts Cells in _____ may act as a reservoir in which HIV can be relatively protected from antiviral drugs. the lungs Correct! the central nervous system the thymus gland bone marrow HIV may persist in regions where the antiviral drugs are not as effective, such as the CNS. Question 2 2 / 2 pts What is the role of reverse transcriptase in HIV infection? It transports the RNA into the cell nucleus. It converts single DNA into double-stranded DNA. It is needed to produce integrase. Correct! It converts RNA into double-stranded DNA. One particular family of viruses, retroviruses (e.g., HIV) carries an enzyme reverse transcriptase that creates a double-stranded DNA version of the virus. Question 3 2 / 2 pts After sexual transmission of HIV, a person can be infected yet seronegative for _____ months. Correct! 6 to 14 18 to 20 1 to 2 24 to 36 Antibody appears rather rapidly after infection through blood products, usually within 4 to 7 weeks. After sexual transmission, however, the individual can be infected yet seronegative for 6 to 14 months or, in at least one case, for years.

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