TEAS Science Test Questions And
Answers
Aabuildupaofaurea,aaanitrogenousawasteaproductaofaproteinametabolism,ainatheabodyaisamo
stalikelyadueatoatheafailureaofawhichaorganasystem?
A)aurinary
B)aendocrine
C)adigestive
D)aimmunea-aCORRECTaaANSWER-A
Aaclientapresentsawithaspecificaoverproductionaofatheahormoneaaldosterone,awhicharegulat
esasaltabalanceainatheabody.aThisaconditionacanabeabestaexplainedabyaaatumorainawhichaofa
theafollowingaendocrineaglands?
A)ahypothalamus
B)aanteriorapituitary
C)aadrenalacortex
D)aadrenalamedullaa-aCORRECTaaANSWER-C
Aadefectainawhichaofatheafollowingapartsaofatheaboneawouldabeamostalikelyatoaresultainastunt
edagrowth?
A)adiaphysis
B)aepiphysis
C)aepiphysealaplate
D)aperiosteuma-aCORRECTaaANSWER-C
Aamacrophage,aaatypeaofaimmuneacellaresponsibleaforaphagocytosingaandadigestingapath
ogens,aisalikelyatoacontainamoreaofawhichaofatheafollowingaorganelles?
A)amitochondria
B)alysosomes
C)aribosomes
D)acentrosomesa-aCORRECTaaANSWER-B
Aapersonacomplainsaofasciatica,apainathatashootsafromathealowerabackathroughatheahipsaan
dalegs.aWhataisatheamostalikelyacause?
A)aherniatedalumbaradisc
B)afracturedacoccyx
C)abruisedacalfamuscle
D)amyocardialainfarctiona-aCORRECTaaANSWER-A
Aarecentaeditorialacriticalaofaaapoliticalacandidateaalleged,aamongaotherathings,athatasheaisa
moreapopularawithalessaeducatedavotersathanawithathoseawithamoreaeducation.aTheacandi
,dateabelievesathatasheaisaequallyapopularaamongavotersaacrossaallalevelsaofaeducation.aH
eracampaignamanagerawantsatoaconductaaapollatoaascertainawhichabelieaisacorrect.aWhata
wouldabeaanaappropriateanullahypothesisatoatestawithatheapoll?
A)atheacandidateaisamoreapopularaamongavotersawithalessaeducationathanavotersawithamor
eaeducation
B)aotheracandidatesaareamoreapopularaamongavotersawithamoreaeducation
C)athereaisanoacorrelationabetweenatheacandidate'sapopularityaandavoters'aincomealevels
D)athereaisanoacorrelationabetweenatheacandidate'sapopularityaandavoters'aeducationa-
aCORRECTaaANSWER-D
Aarectangularablockaofaaacertainasubstanceaisa4acmawide,a5acmalong,aanda2acmahigh.aThea
blockahasaaamassaofa30agrams.aWhataisatheadensityaofathisasubstance?
A)a0.75ag/cc
B)a1.33acc/g
C)a7.5ag/cc
D)a40acca-aCORRECTaaANSWER-A
Aastudentahasaaabrassacubeawithatheafollowingamarking:a300acg.aWhataisaanotherawayatoae
xpressatheaweightaofatheacube?
A)a3amilligrams
B)a3acentimeters
C)a3agrams
D)a3adecagramsa-aCORRECTaaANSWER-C
Afterapassingathroughatheacollectingaduct,aurineaflowsaintoawhichaofatheafollowingagenitouri
naryastructures?
A)abladder
B)anephron
C)aureter
D)aurethraa-aCORRECTaaANSWER-C
Afterapassingathroughatheapyloricasphincter,aaafoodahighainaproteinawouldabeainawhichaofath
eafollowingastates?
A)aacidicaandapartiallyadigested
B)aacidicaandacompletelyadigested
C)aalkalineaandapartiallyadigested
D)aalkalineaandacompletelyadigesteda-aCORRECTaaANSWER-A
Anaelement'sachemicalacharacteristicsaareamostastronglyainfluencedabya
A)atheaamountaofatheaelement
B)aitsaphysicalaappearance
C)aitsagroupainatheaperiodicatable
D)aitsaperiodainatheaperiodicatablea-aCORRECTaaANSWER-C
AnainhibitoratargetingatheaelectronatransportachainainvolvedainaATPaproductionawouldamos
talikelyatargetawhichaorganelle?
, A)aribosomes
B)aGolgiaapparatus
C)amitochondrion
D)acentrosomesa-aCORRECTaaANSWER-C
Anaoveractivationaofawhichaofatheafollowingabonesacellsacouldaleadatoaosteoporosis?
A)aosteon
B)aosteoblast
C)aosteoclast
D)aosteocytea-aCORRECTaaANSWER-C
Assumingaeachamacromoleculeaisaofaequalaweight,awhichaofatheafollowingamacromolecul
esawouldahaveatheagreatestanumberaofaC-Habonds?
A)apolypeptide
B)asaturatedafattyaacid
C)apolysaccharide
D)aunsaturatedafattyaacida-aCORRECTaaANSWER-B
Atawhatapointacanaaasubstanceaexistaasaaasolid,aliquid,aandagasasimultaneously?
A)aboilingapoint
B)afreezingapoint
C)atripleapoint
D)acriticalapointa-aCORRECTaaANSWER-C
BothaTomaandaMaryaJoaareabrownaeyed,abutatheirababy,aJohn,aisablueaeyed.aTomaandaMa
ryaJoahaveafreeaearlobes,abutaJohn'saearlobesaareacompletelyaattached.aBrownaeyesa(B)a
areadominantatoablueaeyesa(b),aandafreeaearlobesa(A)aareadominantatoaattachedaearlobesa
(a).aWhataisatheaprobabilityathataJohn'sababyasisterawillahaveabrownaeyesaandafreeaearlobe
salikeaheraparents?
A)a1/16
B)a3/16
C)a7/16
D)a9/16a-aCORRECTaaANSWER-D
Brandonawantsatoadetermineatheadensityaofaaacertainaliquid.aHeaselectsaanaemptya50amLac
ontainerathatahasaaamassaofa30ag.aBrandonathenapoursathealiquidaintoatheacontainer,abutah
eaonlyahasaenoughatoafillatheacontaineratoa80%aofacapacity.aTheamassaofatheacontaineraplu
sathealiquidaisa74ag.aWhataisatheadensityaofathealiquid?
A)a0.88ag/mL
B)a1.00ag/mL
C)a1.10ag/mL
D)a1.28ag/mLa-aCORRECTaaANSWER-C
Consideratwoaparentsawhoaareabothaheterozygousaforasickleacellaanemia,aaarecessiveagen
eticadisease.aWhataisatheaprobabilityathataanaoffspringawillahaveatheadisorder?
A)a25%
Answers
Aabuildupaofaurea,aaanitrogenousawasteaproductaofaproteinametabolism,ainatheabodyaisamo
stalikelyadueatoatheafailureaofawhichaorganasystem?
A)aurinary
B)aendocrine
C)adigestive
D)aimmunea-aCORRECTaaANSWER-A
Aaclientapresentsawithaspecificaoverproductionaofatheahormoneaaldosterone,awhicharegulat
esasaltabalanceainatheabody.aThisaconditionacanabeabestaexplainedabyaaatumorainawhichaofa
theafollowingaendocrineaglands?
A)ahypothalamus
B)aanteriorapituitary
C)aadrenalacortex
D)aadrenalamedullaa-aCORRECTaaANSWER-C
Aadefectainawhichaofatheafollowingapartsaofatheaboneawouldabeamostalikelyatoaresultainastunt
edagrowth?
A)adiaphysis
B)aepiphysis
C)aepiphysealaplate
D)aperiosteuma-aCORRECTaaANSWER-C
Aamacrophage,aaatypeaofaimmuneacellaresponsibleaforaphagocytosingaandadigestingapath
ogens,aisalikelyatoacontainamoreaofawhichaofatheafollowingaorganelles?
A)amitochondria
B)alysosomes
C)aribosomes
D)acentrosomesa-aCORRECTaaANSWER-B
Aapersonacomplainsaofasciatica,apainathatashootsafromathealowerabackathroughatheahipsaan
dalegs.aWhataisatheamostalikelyacause?
A)aherniatedalumbaradisc
B)afracturedacoccyx
C)abruisedacalfamuscle
D)amyocardialainfarctiona-aCORRECTaaANSWER-A
Aarecentaeditorialacriticalaofaaapoliticalacandidateaalleged,aamongaotherathings,athatasheaisa
moreapopularawithalessaeducatedavotersathanawithathoseawithamoreaeducation.aTheacandi
,dateabelievesathatasheaisaequallyapopularaamongavotersaacrossaallalevelsaofaeducation.aH
eracampaignamanagerawantsatoaconductaaapollatoaascertainawhichabelieaisacorrect.aWhata
wouldabeaanaappropriateanullahypothesisatoatestawithatheapoll?
A)atheacandidateaisamoreapopularaamongavotersawithalessaeducationathanavotersawithamor
eaeducation
B)aotheracandidatesaareamoreapopularaamongavotersawithamoreaeducation
C)athereaisanoacorrelationabetweenatheacandidate'sapopularityaandavoters'aincomealevels
D)athereaisanoacorrelationabetweenatheacandidate'sapopularityaandavoters'aeducationa-
aCORRECTaaANSWER-D
Aarectangularablockaofaaacertainasubstanceaisa4acmawide,a5acmalong,aanda2acmahigh.aThea
blockahasaaamassaofa30agrams.aWhataisatheadensityaofathisasubstance?
A)a0.75ag/cc
B)a1.33acc/g
C)a7.5ag/cc
D)a40acca-aCORRECTaaANSWER-A
Aastudentahasaaabrassacubeawithatheafollowingamarking:a300acg.aWhataisaanotherawayatoae
xpressatheaweightaofatheacube?
A)a3amilligrams
B)a3acentimeters
C)a3agrams
D)a3adecagramsa-aCORRECTaaANSWER-C
Afterapassingathroughatheacollectingaduct,aurineaflowsaintoawhichaofatheafollowingagenitouri
naryastructures?
A)abladder
B)anephron
C)aureter
D)aurethraa-aCORRECTaaANSWER-C
Afterapassingathroughatheapyloricasphincter,aaafoodahighainaproteinawouldabeainawhichaofath
eafollowingastates?
A)aacidicaandapartiallyadigested
B)aacidicaandacompletelyadigested
C)aalkalineaandapartiallyadigested
D)aalkalineaandacompletelyadigesteda-aCORRECTaaANSWER-A
Anaelement'sachemicalacharacteristicsaareamostastronglyainfluencedabya
A)atheaamountaofatheaelement
B)aitsaphysicalaappearance
C)aitsagroupainatheaperiodicatable
D)aitsaperiodainatheaperiodicatablea-aCORRECTaaANSWER-C
AnainhibitoratargetingatheaelectronatransportachainainvolvedainaATPaproductionawouldamos
talikelyatargetawhichaorganelle?
, A)aribosomes
B)aGolgiaapparatus
C)amitochondrion
D)acentrosomesa-aCORRECTaaANSWER-C
Anaoveractivationaofawhichaofatheafollowingabonesacellsacouldaleadatoaosteoporosis?
A)aosteon
B)aosteoblast
C)aosteoclast
D)aosteocytea-aCORRECTaaANSWER-C
Assumingaeachamacromoleculeaisaofaequalaweight,awhichaofatheafollowingamacromolecul
esawouldahaveatheagreatestanumberaofaC-Habonds?
A)apolypeptide
B)asaturatedafattyaacid
C)apolysaccharide
D)aunsaturatedafattyaacida-aCORRECTaaANSWER-B
Atawhatapointacanaaasubstanceaexistaasaaasolid,aliquid,aandagasasimultaneously?
A)aboilingapoint
B)afreezingapoint
C)atripleapoint
D)acriticalapointa-aCORRECTaaANSWER-C
BothaTomaandaMaryaJoaareabrownaeyed,abutatheirababy,aJohn,aisablueaeyed.aTomaandaMa
ryaJoahaveafreeaearlobes,abutaJohn'saearlobesaareacompletelyaattached.aBrownaeyesa(B)a
areadominantatoablueaeyesa(b),aandafreeaearlobesa(A)aareadominantatoaattachedaearlobesa
(a).aWhataisatheaprobabilityathataJohn'sababyasisterawillahaveabrownaeyesaandafreeaearlobe
salikeaheraparents?
A)a1/16
B)a3/16
C)a7/16
D)a9/16a-aCORRECTaaANSWER-D
Brandonawantsatoadetermineatheadensityaofaaacertainaliquid.aHeaselectsaanaemptya50amLac
ontainerathatahasaaamassaofa30ag.aBrandonathenapoursathealiquidaintoatheacontainer,abutah
eaonlyahasaenoughatoafillatheacontaineratoa80%aofacapacity.aTheamassaofatheacontaineraplu
sathealiquidaisa74ag.aWhataisatheadensityaofathealiquid?
A)a0.88ag/mL
B)a1.00ag/mL
C)a1.10ag/mL
D)a1.28ag/mLa-aCORRECTaaANSWER-C
Consideratwoaparentsawhoaareabothaheterozygousaforasickleacellaanemia,aaarecessiveagen
eticadisease.aWhataisatheaprobabilityathataanaoffspringawillahaveatheadisorder?
A)a25%