抗生素的应用与问题（英文ppt）antibiotics课件

《抗生素的应用与问题（英文ppt）antibiotics课件》由会员上传分享，免费在线阅读，更多相关内容在教育资源-天天文库。

1、AntibioticsTooMuchofaGoodThing?Yourdoctorprescribesanantibioticandspecificallycautionsyoutotakeeverypill.Why?AntibioticsVideoInstructionsPlay:Rollyourcursoroverthevideoandclick.Pause:ClickthevideototogglebetweenPlayandPause.Advance:Clickthewhitespacesurroundingthevideo.Antibioti

2、csYourdoctorprescribesanantibioticandspecificallycautionsyoutotakeeverypill.Why?AntibioticsCheckpointAntibioticsWhatisanantibiotic?a.Itisatoxinusedbybacteriatokillmolds.b.Itisadrugthatcankillinfectiousbacteria.c.Itisachemicalproducedbythebodytodefenditselfagainstviruses.d.It’san

3、areawithconditionsthatdon’tsupportlife.e.Noneoftheabovearecorrect.CheckpointAntibioticsWhatisanantibiotic?b.Itisadrugthatcankillinfectiousbacteria.CheckpointAntibioticsHumanwhitebloodcells________.a.carryoxygenandcarbondioxidetothelungsb.storeantibioticsforreleaseatsitesofinfect

4、ionc.serveasoneofthebody’snaturallinesofdefenseagainstmicrobialinvadersd.gatherandeliminateantibioticsfromthesiteofaninfectione.Allofthesearecorrect.CheckpointAntibioticsHumanwhitebloodcells________.c.serveasoneofthebody’snaturallinesofdefenseagainstmicrobialinvadersCheckpointAn

5、tibioticsAbouthalfoftheantibioticsproducedtoday__________.a.endupinanimalfeedb.areusedbyfieldhospitalsinwarzonesc.areshippedtothird-worldcountriesd.becomeuselessduetodevelopingresistancebybacterialpopulationse.arestoredforlateruseCheckpointAntibioticsAbouthalfoftheantibioticspro

6、ducedtoday__________.a.endupinanimalfeedCheckpointAntibioticsHowdobacteriapopulationsbecomedrugresistant?a.Antibioticsremovedrug-susceptibleindividualsbutleavethosethataredrug-resistant.b.Naturalselectiondrivesbacterialpopulationstochange.c.Someindividualsaregeneticallyresistant

7、toantibiotics.d.Allofthesearecorrect.CheckpointAntibioticsHowdobacteriapopulationsbecomedrugresistant?d.Allofthesearecorrect.CheckpointAntibioticsWhichoftheseisnotaneffectivestrategytopreventantibioticresistance?a.Don’tstockpileantibiotics.b.Don’tdemandantibioticsfromyourphysici

8、an.c.Useantibioticsonlyaslongassymptomsremain.d