NEWEST VERSION) 2024.
xz xz
, Berne and Levy Physiology 7th Edition Koeppe
xz xz xz xz xz xz
n
Berne and Levy Physiology 8th Edition KoeppenTest Bank Koepp
xz xz xz xz xz xz xz xz
en: Berne and Levy Physiology, 8th Edition
xz xz xz xz xz xz
Chapter 01: Principles of Cell FunctionT xz xz xz xz xz
est Bank xz
Multiple Choice xz
1. The subcellular structure that degrades proteins is called the:
xz xz xz xz xz xz xz xz
A. Tight junction xz
B. Mitochondria
C. Lysosome
D. Plasma membrane xz
E. Ribosome
ANS: C x z
2. An experiment is done to measure the uptake of an amino acid into a cell. The followin
xz xz xz xz xz xz xz xz xz xz xz xz xz xz xz xz
g data are obtained:
xz xz xz
N
If Na+ is removed from the extracellular bathing solution, or if a drug is added that prevents th
xz xz xz xz xz xz xz xz xz xz xz xz xz xz xz xz xz
e cell from making adenosine triphosphate (ATP), the uptake of amino acid into the cell is
xz xz xz xz xz xz xz xz xz xz xz xz xz xz xz xz
markedly reduced. According to this information, which of the followingmechanisms is prob
xz xz xz xz xz xz xz xz xz xz xz
ably responsible for the transport of the amino acid into the cell?
xz xz xz xz xz xz xz xz xz xz xz
A. Passive diffusion through the lipid bilayer xz xz xz xz xz
B. Uniporter
C. Transport ATPase xz
D. Na+ symporter xz
E. Na+ antiporter xz
ANS: D
xz x z
3. A membrane permeable by only Na+ separates two compartments containing
xz xz xz xz xz xz xz xz xz
Na2SO4,shown as follows:
xz xz xz
,Berne and Levy Physiology 7th Edition Koeppe
xz xz xz xz xz xz
n
Electrodes are placed in both compartments, and a voltage is applied (that of compartment A
xz xz xz xz xz xz xz xz xz xz xz xz xz xz xz
is held at 0 mV). What voltage applied to compartment B would resultin no net movement of
xz xz xz xz xz xz xz xz xz xz xz xz xz xz xz xz xz
Na+ across the membrane separating the compartments?
xz xz xz xz xz xz
A. –60 mV xz
B. –30 mV xz
C. 0 mV xz
D. +30 mV xz
E.
+60 mV xz
ANS: E
xz x z
4. The resting membrane potentN ial oRf a Ic e llGis –
USN
xz xz xz xz xz xz xz xz x z
B85.m
CV. The intracellular and extracellular concentrations of several ions are indicated i
xz xz
xz xz xz xz xz xz xz xz xz xz xz
n the following table, as is the calculated
xz xz xz xz xz xz xz
Nernst equilibrium potential (Ei) for each of these ions:
xz xz xz xz xz xz xz xz
Ion Concentration Concentration Ei
Inside Cell xz Outside Cell xz
+
Na 12 mEq/L xz 145 mEq/L xz 66 mV xz
K+ 150 mEq/L xz 4 mEq/L
xz –96 mV xz
Cl– 30 mEq/L xz 105 mEq/L xz –33 mV xz
Ca++ 0.0001 mmol/dL xz 1 mmol/dL
xz 122 mV xz
The membrane has channels for Na+, K+, Cl–
xz xz xz xz xz xz xz
, and Ca++. The conductance of the membrane is the greatest for which ion?
xz xz xz xz xz xz xz xz xz xz xz xz xz
A. Na+
B. K+
C. Cl–
D. Ca++ A x z
NS: B xz
5. A cell contains the following membrane transporters:
xz xz xz xz xz xz
Na+ channelK+ channel
xz xz
Na+,K+-ATPase
xz
, Berne and Levy Physiology 7th Edition Koeppe
xz xz xz xz xz xz
nThe resting membrane voltage of the cell is –80 mV, and the intracellular and
xz xz xz xz xz xz xz xz xz xz xz xz xz
xz xz
, Berne and Levy Physiology 7th Edition Koeppe
xz xz xz xz xz xz
n
Berne and Levy Physiology 8th Edition KoeppenTest Bank Koepp
xz xz xz xz xz xz xz xz
en: Berne and Levy Physiology, 8th Edition
xz xz xz xz xz xz
Chapter 01: Principles of Cell FunctionT xz xz xz xz xz
est Bank xz
Multiple Choice xz
1. The subcellular structure that degrades proteins is called the:
xz xz xz xz xz xz xz xz
A. Tight junction xz
B. Mitochondria
C. Lysosome
D. Plasma membrane xz
E. Ribosome
ANS: C x z
2. An experiment is done to measure the uptake of an amino acid into a cell. The followin
xz xz xz xz xz xz xz xz xz xz xz xz xz xz xz xz
g data are obtained:
xz xz xz
N
If Na+ is removed from the extracellular bathing solution, or if a drug is added that prevents th
xz xz xz xz xz xz xz xz xz xz xz xz xz xz xz xz xz
e cell from making adenosine triphosphate (ATP), the uptake of amino acid into the cell is
xz xz xz xz xz xz xz xz xz xz xz xz xz xz xz xz
markedly reduced. According to this information, which of the followingmechanisms is prob
xz xz xz xz xz xz xz xz xz xz xz
ably responsible for the transport of the amino acid into the cell?
xz xz xz xz xz xz xz xz xz xz xz
A. Passive diffusion through the lipid bilayer xz xz xz xz xz
B. Uniporter
C. Transport ATPase xz
D. Na+ symporter xz
E. Na+ antiporter xz
ANS: D
xz x z
3. A membrane permeable by only Na+ separates two compartments containing
xz xz xz xz xz xz xz xz xz
Na2SO4,shown as follows:
xz xz xz
,Berne and Levy Physiology 7th Edition Koeppe
xz xz xz xz xz xz
n
Electrodes are placed in both compartments, and a voltage is applied (that of compartment A
xz xz xz xz xz xz xz xz xz xz xz xz xz xz xz
is held at 0 mV). What voltage applied to compartment B would resultin no net movement of
xz xz xz xz xz xz xz xz xz xz xz xz xz xz xz xz xz
Na+ across the membrane separating the compartments?
xz xz xz xz xz xz
A. –60 mV xz
B. –30 mV xz
C. 0 mV xz
D. +30 mV xz
E.
+60 mV xz
ANS: E
xz x z
4. The resting membrane potentN ial oRf a Ic e llGis –
USN
xz xz xz xz xz xz xz xz x z
B85.m
CV. The intracellular and extracellular concentrations of several ions are indicated i
xz xz
xz xz xz xz xz xz xz xz xz xz xz
n the following table, as is the calculated
xz xz xz xz xz xz xz
Nernst equilibrium potential (Ei) for each of these ions:
xz xz xz xz xz xz xz xz
Ion Concentration Concentration Ei
Inside Cell xz Outside Cell xz
+
Na 12 mEq/L xz 145 mEq/L xz 66 mV xz
K+ 150 mEq/L xz 4 mEq/L
xz –96 mV xz
Cl– 30 mEq/L xz 105 mEq/L xz –33 mV xz
Ca++ 0.0001 mmol/dL xz 1 mmol/dL
xz 122 mV xz
The membrane has channels for Na+, K+, Cl–
xz xz xz xz xz xz xz
, and Ca++. The conductance of the membrane is the greatest for which ion?
xz xz xz xz xz xz xz xz xz xz xz xz xz
A. Na+
B. K+
C. Cl–
D. Ca++ A x z
NS: B xz
5. A cell contains the following membrane transporters:
xz xz xz xz xz xz
Na+ channelK+ channel
xz xz
Na+,K+-ATPase
xz
, Berne and Levy Physiology 7th Edition Koeppe
xz xz xz xz xz xz
nThe resting membrane voltage of the cell is –80 mV, and the intracellular and
xz xz xz xz xz xz xz xz xz xz xz xz xz
