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TEST BANK FOR BERNE AND LEVY PHYSIOLOGY7
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TH EDITION KOEPPEN ALL CHAPTERS 1-
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44 COMPLETE GUIDE (NEWEST VERSION) 2024.
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Berne and Levy Physiology 7th Edition KoeppenTest Ban
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kKoeppen: Berne and Levy Physiology, 7th Edition
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Chapter 01: Principles of Cell
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FunctionTest Bank
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Multiple Choice D




1. TheDsubcellularDstructureDthatDdegradesDproteinsDisDcalledDthe:

A. TightDjunction
B. Mitochondria
C. Lysosome
D. PlasmaDmembrane
E. Ribosome
ANS:D C

2. AnDexperimentDisDdoneDtoDmeasureDtheDuptakeDofDanDaminoDacidDintoDaDcell.DTheDfollowi
ngDdataDareDobtained:


N




IfDNa+DisDremovedDfromDtheDextracellularDbathingDsolution,DorDifDaDdrugDisDaddedDthatDpreventsDt
heDcellDfromDmakingDadenosineDtriphosphateD(ATP),DtheDuptakeDofDaminoDacidDintoDtheDcellDisD
markedlyDreduced.DAccordingDtoDthisDinformation,DwhichDofDtheDfollowingmechanismsDisDprob
ablyDresponsibleDforDtheDtransportDofDtheDaminoDacidDintoDtheDcell?

A. PassiveDdiffusionDthroughDtheDlipidDbilayer
B. Uniporter
C. TransportDATPase
D. Na+Dsymporter
E. Na+Dantiporte
rDANS:D D

3. ADmembraneDpermeableDbyDonlyDNa+DseparatesDtwoDcompartmentsDcontainin
gDNa2SO4,shownDasDfollows:

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ElectrodesDareDplacedDinDbothDcompartments,DandDaDvoltageDisDappliedD(thatDofDcompartmentDA
DisD
heldDatD0DmV).DWhatDvoltageDappliedDtoDcompartmentDBDwouldDresultinDnoDnetDmovementDof
+
DNa D acrossDtheDmembraneDseparatingDtheDcompartments?

A. –60DmV
B. –30DmV
C. 0DmV
D. +30DmV
E.
+60Dm
VDANS:D E

4. TheDrestingDmembraneDpotentN ceDlDlGisD –
ialD oRfDaDI
U DSDN
B85.m
CV.DTheDintracellularDandDextracellularDconcentrationsDofDseveralDionsDareDindicatedD
inDtheDfollowingDtable,DasDisDtheDcalculated
NernstDequilibriumDpotentialD(Ei)DforDeachDofDtheseDions:

Ion Concentration Concentration Ei
InsideDCell OutsideDCell
Na+ 12DmEq/L 145DmEq/L 66DmV
K+ 150DmEq/L 4DmEq/L –96DmV
Cl– 30DmEq/L 105DmEq/L –33DmV
Ca++ 0.0001Dmmol/dL 1Dmmol/dL 122DmV

TheDmembraneDhasDchannelsDforDNa+,DK+,DCl–
,DandDCa++.DTheDconductanceDofDtheDmembraneDisDtheDgreatestDforDwhichDion?

A. Na+
B. K+
C. Cl–
D. Ca++DA
NS:DB

5. ADcellDcontainsDtheDfollowingDmembraneDtransporters:




Na+DchannelK+Dchanne
lDNa+,K+-ATPase

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nTheDrestingDmembraneDvoltageDofDtheDcellDisD–80DmV,DandDtheDintracellularDand