1 Questions and Answers 2026 | F.A. Davis Exam Prep & Study Guide
Illnessxoccursx-xcorrectxanswerx ✅Whenxcellsxarexunablextoxmaintainxhomeostasis.x
Illnessxofxthexwholexorganismxisxthexpresentationxofxwhatxatxisxoccurringxatxaxmicroscopicxlevelxwithxinxt
hexcell.
PlasmaxMembranex-
xcorrectxanswerx ✅Protectivexlipidxbilayer,xselectivelyxsemipermeable,xrestrictsxandxgovernsxintracel
lularxgainsxandxlosses,xprotectsxthexintegrityxofxthexcell
Burnsxdamagexplasmaxmembranesx-
xcorrectxanswerx ✅reducingxthexhomeostasisxrecoveryxadxexposingxDNA
Semi-permeablexselectivityxmeansx-xcorrectxanswerx ✅diffusion,xactivextransport,xosmosis
etiologyx-xcorrectxanswerx ✅causedxby...
Plasmaxmembranexregulatesxenvironmentalxadaptionx-
xcorrectxanswerx ✅balancexofxECFxandxICFxdeterminedxbyxthexconcentrationxofxwaterxandxions
Cellularxedemax-
xcorrectxanswerx ✅swelling;xalteredxplasmaxmembranexthatxallowsxexcessxfluidxtoxenterxthexICF
Cellularxdehydrationx-
xcorrectxanswerx ✅FluidxleakingxoutxofxthexICF,xdisruptionxofxICFxwillxcausexaxdisruptionxofxorganelle
xfunction
NA+/K+xpumpx-
xcorrectxanswerx ✅ForxoptimalxcellxfunctionxitxisxnecessaryxforxK+x>xNa+xinsidexofxthexcellxandxNa+xt
oxbexgreaterxoutsidexofxthexcell.x
, ATPxisxthexenergyxusedxtoxtransportxNA+xoutxandxK+xinx(3Na+xoutxandx2xK+xinxwithx1xATP)
ThexNA+/K+xATPasexpumpxhelpsxmaintainxthexrestingxpotentialxandxcellularxfluidxvolume
Mitochondriax-
xcorrectxanswerx ✅Cellsxenergyxproducers.xConvertsxorganicxnutrientsxtoxcellxenergyxinxthexformxofx
ATP.
Differencexcellsxhavexdifferentxnumberxofxmitochondriaxdependingxonxthexenergyxdemandxofxthexcellx
EXxmusclexcellsxvsxbonexcells.
Aerobicxmetabolismx-xcorrectxanswerx ✅Requiresxoxygen.x
ProvidesxthexmaximumxamountxofxATPx(34)xwithxthexKrebsxcycle
Anaerobicxmetabolismx-xcorrectxanswerx ✅Withxoutxoxygen.x
GlycolysisxyieldsxthexleastxamountxofxATPx(2)xalongxwithxpyruvicxacid
Pyruvicxacidx-
xcorrectxanswerx ✅Convertsxtoxlacticxacidxinxaxhypoxicxenvironmentxandxisxnoxiousxcausingxmusclex
painxandxacidosis
MitochondriaxDNAxisxderivedx-xcorrectxanswerx ✅Maternally,xandxhavextheirxownxdistinctivexDNA.x
Geneticistsxusextoxstudyxhereditaryxlineage.