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