Berne & Levy Physiology (8th Edition) – Bruce M. Koeppen & Bruce A. Stanton – Complete Test Bank with Verified Answers

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TEST BANK FOR BERNE AND LEVY PHYSIOLOGY
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7TH EDITION KOEPPEN ALL CHAPTERS 1-
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44 COMPLETE GUIDE (NEWEST VERSION).
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Chapterg01:gPrinciplesgofgCellg
FunctionTestgBank
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Multipleg Choice ww




1. Thegsubcellulargstructuregthatgdegradesgproteinsgisgcalledgthe:

A. Tightgjunction
B. Mitochondria
C. Lysosome
D. Plasmagmembrane
E. Ribosome
ANS:g C ww




2. Angexperimentgisgdonegtogmeasuregtheguptakegofgangaminogacidgintogagcell.gThegfollowi
nggdatagaregobtained:
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IfgNa+g isgremovedgfromgthegextracellulargbathinggsolution,gorgifgagdruggisgaddedgthatgpreventsgt
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hegcellgfromgmakinggadenosinegtriphosphateg(ATP),gtheguptakegofgaminogacidgintogthegcellgisg
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markedlygreduced.gAccordinggtogthisginformation,gwhichgofgthegfollowingmechanismsgisgproba
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blygresponsiblegforgthegtransportgofgthegaminogacidgintogthegcell?
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A. Passivegdiffusiongthroughgtheglipidgbilayer
B. Uniporter
C. TransportgATPase
D. Na+g symporter ww



E. Na+g antiporter
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gANS:g D ww




3. AgmembranegpermeablegbygonlygNa+gseparatesgtwogcompartmentsgcontainin
ggNa2SO4,showngasgfollows:
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Electrodesgaregplacedgingbothgcompartments,gandgagvoltagegisgappliedg(thatgofgcompartmentgAgisgh
eldgatg0gmV).gWhatgvoltagegappliedgtogcompartmentgBgwouldgresultingnognetgmovementgofgNa
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+
gacrossgthegmembranegseparatinggthegcompartments?



A. –60gmV
B. –30gmV
C. 0gmV
D. +30gmV
E.
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+60gmVgANS:g
E
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4. ThegrestinggmembranegpotentNU g S ialgR w wcellww ww
w
isg–
Ng TIfgaGgconcentrations
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B . C
85 m V. gThegintracellulargand gextracellular gofgseveralgionsgaregindic

atedgingthegfollowinggtable,gasgisgthegcalculated
Nernstgequilibriumgpotentialg(Ei)gforgeachgofgthesegions:

Ion Concentration Concentration Ei
InsidegCell Outs idegCell
Na+ 12gmEq/L 145g mEq/L mV
K+ 150gmEq/L mEq/L –96gmV
Cl– 30gmEq/L 105g mEq/L –33gmV
Ca++ 0.0001gmmol/dL mmol/dL 122gmV

ThegmembraneghasgchannelsgforgNa+,gK+,gCl–,gandgCa+
+
.gThegconductancegofgthegmembranegisgtheggreatestgforgwhichgion?

A. Na+
B. K+
C. Cl–
D. Ca+
+
gANS:g

B

5. Agcellgcontainsgthegfollowinggmembranegtransporters:




channelgNa
g
Na+ gchannelK+
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