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