Berne and Levy Physiology 8th Edition Koepp
TV TV TV TV TV TV
en
, Berne and Levy Physiology 8th Edition Koepp
TV TV TV TV TV TV
en
Berne and Levy Physiology 8th Edition KoeppenTest Bank Koeppen: Bern
TV TV TV TV TV TV TV TV TV
e and Levy Physiology, 8th Edition
TV TV TV TV TV
Chapter 01: Principles of Cell Function
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Test Bank TV
Multiple Choice TV
1. The subcellular structure that degrades proteins is called the:
TV TV TV TV TV TV TV TV
A. Tight junction TV
B. Mitochondria
C. Lysosome
D. Plasma membrane TV
E. Ribosome
ANS: C T V
2. An experiment is done to measure the uptake of an amino acid into a cell. The foll
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owing data are obtained:
TV TV TV
N
If Na+ is removed from the extracellular bathing solution, or if a drug is added that preve
TV TV TV TV TV TV TV TV TV TV TV TV TV TV TV TV
nts the cell from making adenosine triphosphate (ATP), the uptake of amino acid into th
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e cell is markedly reduced. According to this information, which of the followingmechan
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isms is probably responsible for the transport of the amino acid into the cell?
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A. Passive diffusion through the lipid bilayer
TV TV TV TV TV
B. Uniporter
C. Transport ATPase TV
D. Na+ symporter TV
E. Na+ antiporter
TV
ANS: D
TV T V
3. A membrane permeable by only Na+ separates two compartments contain
TV TV TV TV TV TV TV TV TV
ing Na2SO4,shown as follows:
TV TV TV
,Berne and Levy Physiology 8th Edition Koepp
TV TV TV TV TV TV
en
Electrodes are placed in both compartments, and a voltage is applied (that of compartme
TV TV TV TV TV TV TV TV TV TV TV TV TV
nt A is held at 0 mV). What voltage applied to compartment B would resultin no net mo
TV TV TV TV TV TV TV TV TV TV TV TV TV TV TV TV TV
vement of Na+ across the membrane separating the compartments?
TV TV TV TV TV TV TV TV
A. –60 mV TV
B. –30 mV TV
C. 0 mV TV
D. +30 mV TV
E.
+60 m TV
V ANS: E
TV T V
4. The resting membrane potentN ial oRf a Ic e l lGis –
USN
TV TV TV TV TV TV TV TV T V
B85.m
CV. The intracellular and extracellular concentrations of several ions are indicat
TV TV
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ed in the following table, as is the calculated
TV TV TV TV TV TV TV TV
Nernst equilibrium potential (Ei) for each of these ions:
TV TV TV TV TV TV TV TV
Ion Concentration Concentration Ei
Inside Cell TV Outside Cell TV
+
Na 12 mEq/L TV 145 mEq/L
TV 66 mVTV
K+ 150 mEq/L TV 4 mEq/L
TV –96 mV TV
Cl– 30 mEq/L TV 105 mEq/L
TV –33 mV TV
Ca++ 0.0001 mmol/dL TV 1 mmol/dL
TV 122 mV TV
The membrane has channels for Na+, K+, Cl–
TV TV TV TV TV TV TV
, and Ca++. The conductance of the membrane is the greatest for which ion
TV TV TV TV TV TV TV TV TV TV TV TV TV
?
A. Na+
B. K+
C. Cl–
D. Ca++ T V
ANS: TV
B
5. A cell contains the following membrane transporters:
TV TV TV TV TV TV
Na+ channelK+ channe
TV TV
, Berne and Levy Physiology 8th Edition Koepp
TV TV TV TV TV TV
l Na+,K+-ATPase
en
TV
The resting membrane voltage of the cell is –80 mV, and the intracellular and
TV TV TV TV TV TV TV TV TV TV TV TV TV
TV TV TV TV TV TV
en
, Berne and Levy Physiology 8th Edition Koepp
TV TV TV TV TV TV
en
Berne and Levy Physiology 8th Edition KoeppenTest Bank Koeppen: Bern
TV TV TV TV TV TV TV TV TV
e and Levy Physiology, 8th Edition
TV TV TV TV TV
Chapter 01: Principles of Cell Function
TV TV TV TV TV
Test Bank TV
Multiple Choice TV
1. The subcellular structure that degrades proteins is called the:
TV TV TV TV TV TV TV TV
A. Tight junction TV
B. Mitochondria
C. Lysosome
D. Plasma membrane TV
E. Ribosome
ANS: C T V
2. An experiment is done to measure the uptake of an amino acid into a cell. The foll
TV TV TV TV TV TV TV TV TV TV TV TV TV TV TV TV
owing data are obtained:
TV TV TV
N
If Na+ is removed from the extracellular bathing solution, or if a drug is added that preve
TV TV TV TV TV TV TV TV TV TV TV TV TV TV TV TV
nts the cell from making adenosine triphosphate (ATP), the uptake of amino acid into th
TV TV TV TV TV TV TV TV TV TV TV TV TV TV
e cell is markedly reduced. According to this information, which of the followingmechan
TV TV TV TV TV TV TV TV TV TV TV TV
isms is probably responsible for the transport of the amino acid into the cell?
TV TV TV TV TV TV TV TV TV TV TV TV TV
A. Passive diffusion through the lipid bilayer
TV TV TV TV TV
B. Uniporter
C. Transport ATPase TV
D. Na+ symporter TV
E. Na+ antiporter
TV
ANS: D
TV T V
3. A membrane permeable by only Na+ separates two compartments contain
TV TV TV TV TV TV TV TV TV
ing Na2SO4,shown as follows:
TV TV TV
,Berne and Levy Physiology 8th Edition Koepp
TV TV TV TV TV TV
en
Electrodes are placed in both compartments, and a voltage is applied (that of compartme
TV TV TV TV TV TV TV TV TV TV TV TV TV
nt A is held at 0 mV). What voltage applied to compartment B would resultin no net mo
TV TV TV TV TV TV TV TV TV TV TV TV TV TV TV TV TV
vement of Na+ across the membrane separating the compartments?
TV TV TV TV TV TV TV TV
A. –60 mV TV
B. –30 mV TV
C. 0 mV TV
D. +30 mV TV
E.
+60 m TV
V ANS: E
TV T V
4. The resting membrane potentN ial oRf a Ic e l lGis –
USN
TV TV TV TV TV TV TV TV T V
B85.m
CV. The intracellular and extracellular concentrations of several ions are indicat
TV TV
TV TV TV TV TV TV TV TV TV TV
ed in the following table, as is the calculated
TV TV TV TV TV TV TV TV
Nernst equilibrium potential (Ei) for each of these ions:
TV TV TV TV TV TV TV TV
Ion Concentration Concentration Ei
Inside Cell TV Outside Cell TV
+
Na 12 mEq/L TV 145 mEq/L
TV 66 mVTV
K+ 150 mEq/L TV 4 mEq/L
TV –96 mV TV
Cl– 30 mEq/L TV 105 mEq/L
TV –33 mV TV
Ca++ 0.0001 mmol/dL TV 1 mmol/dL
TV 122 mV TV
The membrane has channels for Na+, K+, Cl–
TV TV TV TV TV TV TV
, and Ca++. The conductance of the membrane is the greatest for which ion
TV TV TV TV TV TV TV TV TV TV TV TV TV
?
A. Na+
B. K+
C. Cl–
D. Ca++ T V
ANS: TV
B
5. A cell contains the following membrane transporters:
TV TV TV TV TV TV
Na+ channelK+ channe
TV TV
, Berne and Levy Physiology 8th Edition Koepp
TV TV TV TV TV TV
l Na+,K+-ATPase
en
TV
The resting membrane voltage of the cell is –80 mV, and the intracellular and
TV TV TV TV TV TV TV TV TV TV TV TV TV
