What does the student learn about hiv a hiv only

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12.What does the student learn about HIV?a.HIV only infects T-helper (Th) cells.b.HIV is a retrovirus.c.HIV carries genetic information in its DNA.d.HIV has five identified strains.____13.What is the role of reverse transcriptase in HIV infection?a.Reverse transcriptase converts single-stranded DNA into double-stranded DNA.b.It is needed to produce integrase.c.It transports the RNA into the cell nucleus.
d.It converts RNA into double-stranded DNA.____14.After sexual transmission of HIV, how soon can lab results detect the infection?a.1 to 2 daysb.4 to 10 daysc.4 to 8 weeksd.2 to 4 months____15.Which cells are primary targets for HIV?a.CD4+Th cells onlyb.CD4+Th cells, macrophages, and dendritic cellsc.CD8-positivecytotoxic T (Tc) cells and plasma cellsd.CD8-positiveTc cells only____16.What area in the body may act as a reservoir in which HIV can be relativelyprotected from antiviral drugs?a.Central nervous systemb.Bone marrowc.Thymus glandd.Lungs____17.What is the final stage of the infectious process?a.Colonizationb.Invasionc.Multiplicationd.Spread
____18.How is toxigenicity defined?a.The ability of the pathogen to invade and multiply in the hostb.The pathogen’s ability to produce disease by the production of a soluble toxinc.The ability of an agent to produce diseased.The potency of a pathogen measured in terms of the number of microorganismsrequired to kill the host____19.What is the ability of the pathogen to invade and multiply in the host referred to as?a.Infectivityb.Toxigenicityc.Pathogenicityd.Virulence____20.Some bacterial surface proteins bind with the crystalline fragment (Fc) portion of anantibody to do what?a.Hide in cells to avoid triggering an immune responseb.Form self-protecting toxinsc.Make staining possible for microscopic observationd.Produce a protective “self” protein____21.Which organism is a common sexually transmitted bacterial infection?a.Staphylococcus aureusb.Clostridium perfringensc.Helicobacter pylorid.Treponema pallidum____22.Which disease is an example of a rickettsial infection?a.Cholera
b.Candidac.Sleeping sicknessd.Rocky Mountain spotted feverMultiple ResponseIdentify one or more choices that best complete the statement or answer the question.____23.Which secretions transmit HIV?(Select all that apply.)a.Semenb.Urinec.Salivad.Breast milke.Sweat____

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