n n n n n n n
TH EDITION KOEPPEN ALL CHAPTERS 1-
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44 COMPLETE GUIDE (NEWEST VERSION) 2024.
n n n n n
, BernenandnLevynPhysiologyn7thnEditionnKoeppen
Berne and Levy Physiology 7th Edition KoeppenTest Bank
n n n n n n n n
Koeppen: Berne and Levy Physiology, 7th Edition
n n n n n n
Chapter 01: Principles of Cell
n n n n n
FunctionTest Bank n
Multiple Choice
n
1. Thensubcellularnstructurenthatndegradesnproteinsnisncallednthe:
A. Tightnjunction
B. Mitochondria
C. Lysosome
D. Plasmanmembrane
E. Ribosome
ANS:n C
2. Annexperimentnisndonentonmeasurenthenuptakenofnannaminonacidnintonancell.nThenfollowingnd
atanarenobtained:
N
IfnNa+nisnremovednfromnthenextracellularnbathingnsolution,nornifnandrugnisnaddednthatnpreventsnthence
llnfromnmakingnadenosinentriphosphaten(ATP),nthenuptakenofnaminonacidnintonthencellnisnmarkedly
nreduced.nAccordingntonthisninformation,nwhichnofnthenfollowingmechanismsnisnprobablynrespons
iblenfornthentransportnofnthenaminonacidnintonthencell?
A. Passivendiffusionnthroughnthenlipidnbilayer
B. Uniporter
C. TransportnATPase
D. Na+nsymporter
E. Na+nantiportern
ANS:n D
3. AnmembranenpermeablenbynonlynNa+nseparatesntwoncompartmentsncontainingn
Na2SO4,shownnasnfollows:
,BernenandnLevynPhysiologyn7thnEditionnKoeppen
Electrodesnarenplacedninnbothncompartments,nandnanvoltagenisnappliedn(thatnofncompartmentnAnisnh
eldnatn0nmV).nWhatnvoltagenappliedntoncompartmentnBnwouldnresultinnnonnetnmovementnofnNa+nacr
ossnthenmembranenseparatingnthencompartments?
A. –60nmV
B. –30nmV
C. 0nmV
D. +30nmV
E.
+60nmVn
ANS:n E
4. ThenrestingnmembranenpotentN cenlnlGisn –
ialn oRfnanI
U nSnN
B85.m
CV.n Thenintracellularnandnextracellularnconcentrationsnofnseveralnionsnarenindicatedninn
thenfollowingntable,nasnisnthencalculated
Nernstnequilibriumnpotentialn(Ei)nforneachnofnthesenions:
Ion Concentration Concentration Ei
InsidenCell OutsidenCell
Na+ 12nmEq/L 145nmEq/L 66nmV
K+ 150nmEq/L 4nmEq/L –96nmV
Cl– 30nmEq/L 105nmEq/L –33nmV
Ca++ 0.0001nmmol/dL 1nmmol/dL 122nmV
ThenmembranenhasnchannelsnfornNa+,nK+,nCl–
,nandnCa++.nThenconductancenofnthenmembranenisnthengreatestnfornwhichnion?
A. Na+
B. K+
C. Cl–
D. Ca++nA
NS:nB
5. Ancellncontainsnthenfollowingnmembranentransporters:
Na+nchannelK+nchanneln
Na+,K+-ATPase
, BernenandnLevynPhysiologyn7thnEditionnKoeppen
Thenrestingnmembranenvoltagenofnthencellnisn–80nmV,nandnthenintracellularnand