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