MICROBIO 160 EXAM 3

MICROBIO 160 EXAM 3 Biology of Cancer and AIDS Exam 3A EXAM A WHITE = GREEN 1. Pneumocystis pneumonia and Kaposi's sarcoma were, until the 1980's, rare conditions. Reports of clusters of these infections in was the first piece of evidence of in the US. (A) sex workers, HPV/cervical cancer (C) heterosexual men, herpes (B) homosexual men, AIDS (D) homosexual women, AIDS 2. HIV is a (n) with a genome. An enzyme called copies its genome into which is then integrated into the infected cell's DNA. (A) adenovirus, DNA, eddy, RNA (C) retrovirus, RNA, reverse transcriptase, DNA (B) retrovirus, RNA, polymerase, RNA (D) adenovirus, DNA, reverse transcriptase, RNA 3. What is the most predominant method of HIV transmission on the African continent? (A) Through ritual tattooing and reuse of needles (B) Imported contaminated blood (C) Injection drug abuse (D) Heterosexual vaginal intercourse 4. Elite controllers are individuals who have T cell immunity that prevents HIV infection from progressing to AIDS. These people are cited as evidence that HIV does not cause AIDS because their existence ruins which of Koch's postulates. (A) the agent must cause disease in every case (B) the agent must be present in every sick individual (C) the agent must be grown in pure culture (D) the agent should be shown to be identical in each case 5. The majority of AIDS deaths world-wide are due to . (A) HIV (C) low CD4 cell counts (B) tuberculosis (D) high viral load