Explain the phenomenon of drug resistance

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1/ AIDS is often treated with a "cocktail" of several antiviral agents at once. Why is the cocktail more effective than a single agent? What is a physician trying to prevent by prescribing several drugs at once?
2/ Explain the phenomenon of drug resistance from the standpoint of microbial genetics ( inlcude a description of R plasmids/factors)
3/ Your pregnant neighbor has been prescribed tetracycline for a bacterial infection. Give two reasons why taking this antibiotic during pregnancy is contraindicated.
4/ If it were your job to develop a policy for your state regarding the use of antibiotics in animal feed, what issues might you consider if you were interested in reducing the likehood of drug resistance
5/ Why does the penicillin group of drugs have milder tocicity than other antibiotics ?

Reference no: EM1395616

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