Test Bank For Berne and Levy Physiology 7th Edition By Bruce M. Koeppen, MD, PhD and Bruce A. 2

TEST BANK FOR BERNE AND LEVY PHYSIOLOGY 7
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TH EDITION KOEPPEN ALL CHAPTERS 1-
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44 COMPLETE GUIDE (NEWEST VERSION).
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, BernebandbLevybPhysiologyb7thbEditionbKoeppen

Berne and Levy Physiology 7th Edition KoeppenTest Bank Koeppe
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n: Berne and Levy Physiology, 7th Edition
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Chapter 01: Principles of Cell
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FunctionTest Bank b


Multiple Choice b




1. Thebsubcellularbstructurebthatbdegradesbproteinsbisbcalledbthe:

A. Tightbjunction
B. Mitochondria
C. Lysosome
D. Plasmabmembrane
E. Ribosome
ANS:b C

2. Anbexperimentbisbdonebtobmeasurebthebuptakebofbanbaminobacidbintobabcell.bThebfollowingbd
atabarebobtained:


N




IfbNa+bisbremovedbfrombthebextracellularbbathingbsolution,borbifbabdrugbisbaddedbthatbpreventsbthebc
ellbfrombmakingbadenosinebtriphosphateb(ATP),bthebuptakebofbaminobacidbintobthebcellbisbmarkedl
ybreduced.bAccordingbtobthisbinformation,bwhichbofbthebfollowingmechanismsbisbprobablybrespon
siblebforbthebtransportbofbthebaminobacidbintobthebcell?

A. Passivebdiffusionbthroughbtheblipidbbilayer
B. Uniporter
C. TransportbATPase
D. Na+bsymporter
E. Na+bantiporter
bANS:b D




3. AbmembranebpermeablebbybonlybNa+bseparatesbtwobcompartmentsbcontainingb
Na2SO4,shownbasbfollows:

,BernebandbLevybPhysiologyb7thbEditionbKoeppen




Electrodesbarebplacedbinbbothbcompartments,bandbabvoltagebisbappliedb(thatbofbcompartmentbAbisbh
eldbatb0bmV).bWhatbvoltagebappliedbtobcompartmentbBbwouldbresultinbnobnetbmovementbofbNa+bac
rossbthebmembranebseparatingbthebcompartments?

A. –60bmV
B. –30bmV
C. 0bmV
D. +30bmV
E.
+60bmV
bANS:b E




4. ThebrestingbmembranebpotentN cel lGis b–
ial boRfba I
U bSbNbT

B85.m
CV.bThebintracellularbandbextracellularbconcentrationsbofbseveralbionsbarebindicatedbinb
thebfollowingbtable,basbisbthebcalculated
Nernstbequilibriumbpotentialb(Ei)bforbeachbofbthesebions:

Ion Concentration Concentration Ei
InsidebCell OutsidebCell
Na+ 12bmEq/L 145bmEq/L 66bmV
K+ 150bmEq/L 4bmEq/L –96bmV
Cl– 30bmEq/L 105bmEq/L –33bmV
Ca++ 0.0001bmmol/dL 1bmmol/dL 122bmV

ThebmembranebhasbchannelsbforbNa+,bK+,bCl–
,bandbCa++.bThebconductancebofbthebmembranebisbthebgreatestbforbwhichbion?

A. Na+
B. K+
C. Cl–
D. Ca++bA
NS:bB

5. Abcellbcontainsbthebfollowingbmembranebtransporters:




Na+bchannelK+bchannel
+ +
bNa ,K -ATPase

, BernebandbLevybPhysiologyb7thbEditionbKoeppen
Thebrestingbmembranebvoltagebofbthebcellbisb–80bmV,bandbthebintracellularband