Goal4declaredintheNationalNanotechnologyInitiative:StrategicPlan2016(US)aimsto:
A. 4.1.Supportthecreationofacomprehensiveknowledgebaseforevaluationofthepotentialrisksandbenefitsofnanotechnologytotheenvironmentandtohumanhealthandsafety;
B. 4.2.Createandemploymeansfortimelydissemination,evaluation,andincorporationofrelevantenvironmental,health,andsafety(EHS)knowledgeandbestpractices;
C. 4.3.Developthenationalcapacitytoidentify,define,andresponsiblyaddressconceptsandchallengesspecifictotheethical,legal,andsocietalimplications(ELSI)ofnanotechnology;
D. 4.4.Incorporatesustainabilityintheresponsibledevelopmentofnanotechnology.
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Speculativenanotechnologyshouldcover:
A. molecularnanotechnologyinvolvingmanipulatingsinglemoleculesinfinelycontrolled,deterministicways
B. nanoroboticsornanorobotsthatcenteronself-sufficientmachinesofsomefunctionalityoperatingatthenanoscale
C. productivenanosystemsthatareabletoproduceatomicallyprecisepartsforothernanosystems,notnecessarilyusingnovelnanoscale-emergentproperties,butwell-understoodfundamentalsofmanufacturing
D. programmablemattersthatseektodesignmaterialswhosepropertiescanbeeasily,reversibly&externallycontrolledthoughafusionofinformationscience&materialsscience
TheELSIaspectsofnanotechnologymainlyentail:
A. health&environmentalimpact
B. socialimpact
C. ethical&legalimpact
D. biosafety,biorisk,&biosecurity
Possibleexposureroutesfornanoparticles, nanofibers & nanotubes tohumansare:
A. dermalcontact&thenabsorbedbytheskin
B. inhalationviatheair(breathingin)
C. ingestionviathefoodintake/diet
D. accidentalinjection
Whichofthefollowingstatementsabouttherelationshipsbetweenexposureroutesofnanoparticlesandtheirhealthrisksarecorrect?
A. Exposurestonanomaterialsmayoccurthroughinhalation,dermalcontact,accidentalinjection,&ingestion,theriskincreaseswithdurationofexposure&theconcentrationsofnanoparticlesinthesampleorair.
B. Inhalationpresentsthelowestexposurehazard.
C. Nanomaterialssuspendedinasolutionorslurryposealesserhazard,however,sonication,shaking,stirring,pouring,orsprayingcanresultininhalationexposure.
D. Nanoparticlesthatarefixedwithinamatrixposetheleasthazardaslongasnomechanicaldisruption,suchasgrinding,cutting,orburning,occurs.
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