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