PhysiologyxfExamxf1xfPracticexfQuizxfQuestionsxfWithxfCompletexfSolutions
Placexfthexffollowingxfinxfcorrectxfsequencexffromxfsimplestxftoxfmostxfcomplex:xf1)xfmo
lecules,xf2)xfatoms,xf3)xftissues,xf4)xfcells,xf5)xforgansxf-xfcorrectxfanswerxf ✅2-1-4-
3-5
Choosexfthexfcorrectxffeedbackxfmechanismxfcontrollingxfbloodxfclotting:xf
Positivexffeedback
Negativexffeedbackxf-xfcorrectxfanswerxf ✅Positivexffeedback
Whichxfofxfthesexfisxfnotxfaxffunctionxfofxfthexfplasmaxfmembrane?:
-Itxfisxfselectivelyxfpermeable.
-Itxfenclosesxfthexfcellxfcontents.
-Itxfactsxfasxfaxfsitexfofxfcell-to-cellxfinteractionxfandxfrecognition.
-
Itxfpreventsxfpotassiumxfionsxffromxfleakingxfoutxfandxfsodiumxfionsxffromxfcrossingxfint
oxfthexfcell.xf-
xfcorrectxfanswerxf ✅Itxfpreventsxfpotassiumxfionsxffromxfleakingxfoutxfandxfsodium
xfionsxffromxfcrossingxfintoxfthexfcell.
Axfstructurexfthatxfisxfcomposedxfofxftwoxforxfmorexftissuesxfwouldxfbexfa(n)xf________.
-complexxftissue
-complexxfcell
-organxfsystem
-organxf-xfcorrectxfanswerxf ✅Organ
Thexffourxfelementsxfthatxfmakexfupxfaboutxf96%xfofxfbodyxfmatterxfarexf________.
,-sodium,xfpotassium,xfhydrogen,xfoxygen
-carbon,xfoxygen,xfhydrogen,xfnitrogen
-carbon,xfoxygen,xfphosphorus,xfcalcium
-nitrogen,xfhydrogen,xfcalcium,xfsodiumxf-
xfcorrectxfanswerxf ✅carbon,xfoxygen,xfhydrogen,xfnitrogen
Passivexfmembranexftransportxfprocessesxfincludexf________.
-
thexfusexfofxftransportxfproteinxfpumpsxfwhenxfmovingxfsubstancesxffromxfareasxfofxflow
xftoxfhighxfconcentration
-
movementxfofxfwaterxffromxfanxfareaxfofxflowxfconcentrationxftoxfanxfareaxfofxfhighxfconc
entration
-consumptionxfofxfATP
-movementxfofxfaxfsubstancexfdownxfitsxfconcentrationxfgradientxf-
xfcorrectxfanswerxf ✅movementxfofxfaxfsubstancexfdownxfitsxfconcentrationxfgradie
nt
Whichxfofxfthexffollowingxfstatementsxfisxfthexfmostxfcorrectxfregardingxfhomeostaticxfi
mbalance?
-Negativexffeedbackxfmechanismsxfarexffunctioningxfnormally.
-Thexfinternalxfenvironmentxfisxfbecomingxfmorexfstable.
-Itxfisxfconsideredxfthexfcausexfofxfmostxfdiseases.
-Positivexffeedbackxfmechanismsxfarexfoverwhelmed.xf-
xfcorrectxfanswerxf ✅Itxfisxfconsideredxfthexfcausexfofxfmostxfdiseases
Ifxfyouxfconsiderxfyourxfhomexfairxfconditionerxfinxftermsxfofxfhomeostasis,xfthenxfthexfw
allxfthermostatxfwouldxfbexfthexf________.
,-controlxfcenter
-effector
-variable
-receptorxf-xfcorrectxfanswerxf ✅controlxfcenter
InxfaxfDNAxfmolecule,xfthexfphosphatexfservesxf________.
-asxfnucleotides
-asxfaxfcode
-toxfbindxfthexfsugarsxftoxftheirxfbases
-toxfholdxfthexfmolecularxfbackbonexftogetherxf-
xfcorrectxfanswerxf ✅toxfholdxfthexfmolecularxfbackbonexftogether
Itxfisxfimportantxfforxfanyxforganismxftoxfmaintainxfitsxfboundaries,xfsoxfthatxfitsxfinternalx
fenvironmentxfremainsxfdistinctxffromxfthexfexternalxfenvironmentxfsurroundingxfit.
-True
-Falsexf-xfcorrectxfanswerxf ✅True
Whichxfofxfthexffollowingxfstatementsxfisxftruexfconcerningxffeedbackxfmechanisms?
-Positivexffeedbackxfmechanismsxfalwaysxfresultxfinxfexcessivexfdamagexftoxfthexfhost.
-Bloodxfglucosexflevelsxfarexfregulatedxfbyxfpositivexffeedbackxfmechanisms.
-
Negativexffeedbackxfmechanismsxfworkxftoxfpreventxfsuddenxfseverexfchangesxfwithinxf
thexfbody.
-Negativexffeedbackxfmechanismsxftendxftoxfincreasexfthexforiginalxfstimulus.xf-
xfcorrectxfanswerxf ✅Negativexffeedbackxfmechanismsxfworkxftoxfpreventxfsuddenxf
severexfchangesxfwithinxfthexfbody.
, Whatxfisxfthexfmain,xfgeneralxfpurposexfofxfnegativexffeedback?
-toxfmaintainxfhomeostasis
-toxfcontrolxfallxfbodyxfsystemxftissues
-toxfregulatexfexcretion
-toxfkeepxfthexfbody'sxfsugarxfhighxf-xfcorrectxfanswerxf ✅toxfmaintainxfhomeostasis
Inxfosmosis,xfmovementxfofxfwaterxfoccursxftowardxfthexfsolutionxfwithxfthexflowerxfsolu
texfconcentration.
-True
-Falsexf-xfcorrectxfanswerxf ✅false
Thexfmainxfcomponentxfofxfthexfcytosolxfisxf________.
-proteins
-water
-sugars
-saltsxf-xfcorrectxfanswerxf ✅water
Whichxfofxfthexffollowingxfbestxfdescribesxfthexfhomeostaticxfcontrolxfrepresentedxfbyxft
hexfwithdrawalxfofxfaxffingerxffromxfaxfhotxfstove?
-reflexxfarc
-negativexffeedbackxfmechanism
-nonexfofxfthexfabove
-positivexffeedbackxfmechanismxf-xfcorrectxfanswerxf ✅reflexxfarc
Whichxfstatementxfbestxfdescribesxftranscytosis?
Placexfthexffollowingxfinxfcorrectxfsequencexffromxfsimplestxftoxfmostxfcomplex:xf1)xfmo
lecules,xf2)xfatoms,xf3)xftissues,xf4)xfcells,xf5)xforgansxf-xfcorrectxfanswerxf ✅2-1-4-
3-5
Choosexfthexfcorrectxffeedbackxfmechanismxfcontrollingxfbloodxfclotting:xf
Positivexffeedback
Negativexffeedbackxf-xfcorrectxfanswerxf ✅Positivexffeedback
Whichxfofxfthesexfisxfnotxfaxffunctionxfofxfthexfplasmaxfmembrane?:
-Itxfisxfselectivelyxfpermeable.
-Itxfenclosesxfthexfcellxfcontents.
-Itxfactsxfasxfaxfsitexfofxfcell-to-cellxfinteractionxfandxfrecognition.
-
Itxfpreventsxfpotassiumxfionsxffromxfleakingxfoutxfandxfsodiumxfionsxffromxfcrossingxfint
oxfthexfcell.xf-
xfcorrectxfanswerxf ✅Itxfpreventsxfpotassiumxfionsxffromxfleakingxfoutxfandxfsodium
xfionsxffromxfcrossingxfintoxfthexfcell.
Axfstructurexfthatxfisxfcomposedxfofxftwoxforxfmorexftissuesxfwouldxfbexfa(n)xf________.
-complexxftissue
-complexxfcell
-organxfsystem
-organxf-xfcorrectxfanswerxf ✅Organ
Thexffourxfelementsxfthatxfmakexfupxfaboutxf96%xfofxfbodyxfmatterxfarexf________.
,-sodium,xfpotassium,xfhydrogen,xfoxygen
-carbon,xfoxygen,xfhydrogen,xfnitrogen
-carbon,xfoxygen,xfphosphorus,xfcalcium
-nitrogen,xfhydrogen,xfcalcium,xfsodiumxf-
xfcorrectxfanswerxf ✅carbon,xfoxygen,xfhydrogen,xfnitrogen
Passivexfmembranexftransportxfprocessesxfincludexf________.
-
thexfusexfofxftransportxfproteinxfpumpsxfwhenxfmovingxfsubstancesxffromxfareasxfofxflow
xftoxfhighxfconcentration
-
movementxfofxfwaterxffromxfanxfareaxfofxflowxfconcentrationxftoxfanxfareaxfofxfhighxfconc
entration
-consumptionxfofxfATP
-movementxfofxfaxfsubstancexfdownxfitsxfconcentrationxfgradientxf-
xfcorrectxfanswerxf ✅movementxfofxfaxfsubstancexfdownxfitsxfconcentrationxfgradie
nt
Whichxfofxfthexffollowingxfstatementsxfisxfthexfmostxfcorrectxfregardingxfhomeostaticxfi
mbalance?
-Negativexffeedbackxfmechanismsxfarexffunctioningxfnormally.
-Thexfinternalxfenvironmentxfisxfbecomingxfmorexfstable.
-Itxfisxfconsideredxfthexfcausexfofxfmostxfdiseases.
-Positivexffeedbackxfmechanismsxfarexfoverwhelmed.xf-
xfcorrectxfanswerxf ✅Itxfisxfconsideredxfthexfcausexfofxfmostxfdiseases
Ifxfyouxfconsiderxfyourxfhomexfairxfconditionerxfinxftermsxfofxfhomeostasis,xfthenxfthexfw
allxfthermostatxfwouldxfbexfthexf________.
,-controlxfcenter
-effector
-variable
-receptorxf-xfcorrectxfanswerxf ✅controlxfcenter
InxfaxfDNAxfmolecule,xfthexfphosphatexfservesxf________.
-asxfnucleotides
-asxfaxfcode
-toxfbindxfthexfsugarsxftoxftheirxfbases
-toxfholdxfthexfmolecularxfbackbonexftogetherxf-
xfcorrectxfanswerxf ✅toxfholdxfthexfmolecularxfbackbonexftogether
Itxfisxfimportantxfforxfanyxforganismxftoxfmaintainxfitsxfboundaries,xfsoxfthatxfitsxfinternalx
fenvironmentxfremainsxfdistinctxffromxfthexfexternalxfenvironmentxfsurroundingxfit.
-True
-Falsexf-xfcorrectxfanswerxf ✅True
Whichxfofxfthexffollowingxfstatementsxfisxftruexfconcerningxffeedbackxfmechanisms?
-Positivexffeedbackxfmechanismsxfalwaysxfresultxfinxfexcessivexfdamagexftoxfthexfhost.
-Bloodxfglucosexflevelsxfarexfregulatedxfbyxfpositivexffeedbackxfmechanisms.
-
Negativexffeedbackxfmechanismsxfworkxftoxfpreventxfsuddenxfseverexfchangesxfwithinxf
thexfbody.
-Negativexffeedbackxfmechanismsxftendxftoxfincreasexfthexforiginalxfstimulus.xf-
xfcorrectxfanswerxf ✅Negativexffeedbackxfmechanismsxfworkxftoxfpreventxfsuddenxf
severexfchangesxfwithinxfthexfbody.
, Whatxfisxfthexfmain,xfgeneralxfpurposexfofxfnegativexffeedback?
-toxfmaintainxfhomeostasis
-toxfcontrolxfallxfbodyxfsystemxftissues
-toxfregulatexfexcretion
-toxfkeepxfthexfbody'sxfsugarxfhighxf-xfcorrectxfanswerxf ✅toxfmaintainxfhomeostasis
Inxfosmosis,xfmovementxfofxfwaterxfoccursxftowardxfthexfsolutionxfwithxfthexflowerxfsolu
texfconcentration.
-True
-Falsexf-xfcorrectxfanswerxf ✅false
Thexfmainxfcomponentxfofxfthexfcytosolxfisxf________.
-proteins
-water
-sugars
-saltsxf-xfcorrectxfanswerxf ✅water
Whichxfofxfthexffollowingxfbestxfdescribesxfthexfhomeostaticxfcontrolxfrepresentedxfbyxft
hexfwithdrawalxfofxfaxffingerxffromxfaxfhotxfstove?
-reflexxfarc
-negativexffeedbackxfmechanism
-nonexfofxfthexfabove
-positivexffeedbackxfmechanismxf-xfcorrectxfanswerxf ✅reflexxfarc
Whichxfstatementxfbestxfdescribesxftranscytosis?
