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Exam (elaborations)

Bios 252: Written Exam Review Questions And Accurate Answers

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2026/2027 Written for academic year
Institution BIOS 252
Course BIOS 252
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BIOS 252: WRITTEN EXAM REVIEW QUESTIONS AND ACCURATE ANSWERS

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BIOS 252: WRITTEN EXAM REVIEW
QUESTIONS AND ACCURATE ANSWERS
Discriminatembetweenmparacrine,mautocrine,mendocrine,mandmexocrine?m-mCORRECTmANSWERm-
mParacrinemglands:mrelatingmtomamhormonemormtomamsecretionmreleasedmbym(endocrine)mcellsmintomt


hemadjacentmcellsmormsurroundingmtissuemrathermthanmintomthembloodstream.

-mAutocrinemhormonesmactmonmthemsamemcellsmthatmproducemthem

-mEndocrinemglandsmsecretemhormonesmintomthembloodstreamm(pituitary,mpineal,mthyroid)

-
mExocrinemglandsmsecretemsubstancesmthroughmamductmormopeningmtomambodymsurfacem(Sweat,msali
vary,mmammary)



Choosem1mendocrinemglandmandmdescribemthemhormonesmitmsecretes;mincludingmthemfunctionsmofm
eachmhormonemandmhowmthemendocrinemglandmismregulated.m-
mCORRECTmANSWERmThyroidmgland:



-mSecretes:mTriiodothyroninem(T3),mThyroxinem(T4),mandmcalcitonin

-
mFunctions:mregulatemthemspeedmwithmwhichmthemcells/metabolismmworkm(heartmrate),mcalcitoninm
regulatesmlevelsmofmcalciummandmphosphateminmthemblood

-
mThemthyroidmglandmismregulatedmbymthyrotropinmreleasingmhormonem(TRH)mandmthyroidmstimulati
ngmhormonem(TSH)



Wheremaremthemreceptormcellsmformhearing?m-mCORRECTmANSWERmCochlea



Areamofmthemeyemwheremvessel'smentermandmleave?m-mCORRECTmANSWERmOpticmNerve



FrontalmLobem-
mCORRECTmANSWERmThemlobematmthemfrontmofmthembrainmassociatedmwithmmovement,mspeech,ma


ndmimpulsivembehavior.

, TemporalmLobem-
mCORRECTmANSWERmAmregionmofmthemcerebralmcortexmresponsiblemformhearingmandmlanguage.




ParietalmLobem-
mCORRECTmANSWERmAmregionmofmthemcerebralmcortexmwhosemfunctionsmincludemprocessingminfor


mationmaboutmtouch.



OccipitalmLobem-
mCORRECTmANSWERmAmregionmofmthemcerebralmcortexmthatmprocessesmvisualminformation




Howmdomlensmfocusmlightmontomthemretina?m-mCORRECTmANSWERmItmchangesmshapem(flatmormsemi-
circular)



Thyroidmglandsmsecretem-
mCORRECTmANSWERmTriiodothyroninem(T3),mThyroxinem(T4),mandmcalcitonin




Adrenalmglandsmsecretem-
mCORRECTmANSWERmEpinephrine,mnorepinephrine,mcortisol,mestrogen*,maldosterone,mandmandro


gen*,mglucocorticoids,mandmmineralmcorticoids



Whatmismitmcalledmwhenmyoumgetmusedmtomsomeone'smstrongmperfume?m-
mCORRECTmANSWERmAdaptation




HormonesmthatmdirectlymaffectmDNAmwithinmthemnucleusmofmamcell?m-
mCORRECTmANSWERmSteroidalmbased




Targetmtissuesmofmgrowthmhormonem-
mCORRECTmANSWERmliver,madiposemtissue,mmusclemtissue,mbonemandmcartilage

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