Berne & Levy Physiology – 7th Edition by Koeppen – All Chapters (1–44) – Complete Test Bank Guide (Newest Version)

Berne and Levy Physiology 7th Edition Koeppen
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BERNE AND LEVY PHYSIOLOGY
7TH EDITION KOEPPEN ALL
CHAPTERS

, Berne and Levy Physiology 7th Edition Koeppen
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Berne and Levy Physiology 7th Edition KoeppenTest Bank
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g Koeppen: Berne and Levy Physiology, 7th Edition b-g b-g b-g b-g b-g b-g




Chapter 01: Principles of Cell b-g b-g b-g b-g b-




FunctionTest Bank
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Multiple Choice b-g




1. The subcellular structure that degrades proteins is called the:
b-g b-g b-g b-g b-g b-g b-g b-g




A. Tight junction b-g




B. Mitochondria
C. Lysosome
D. Plasma membrane b-g




E. Ribosome
ANS: C b - g




2. An experiment is done to measure the uptake of an amino acid into a cell. The following
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data are obtained:
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N




If Na+ is removed from the extracellular bathing solution, or if a drug is added that prevents the
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cell from making adenosine triphosphate (ATP), the uptake of amino acid into the cell is
g b-g b-g b-g b-g b-g b-g b-g b-g b-g b-g b-g b-g b-g b-g b-




markedly reduced. According to this information, which of the followingmechanisms is
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probably responsible for the transport of the amino acid into the cell?
g b-g b-g b-g b-g b-g b-g b-g b - g b-g b-g b-g




A. Passive diffusion through the lipid bilayer b-g b-g b-g b-g b-g




B. Uniporter
C. Transport ATPase b-g




D. Na+ symporter b-g




E. Na+ b-




antiporter
g b-




ANS: D
g b - g




3. A membrane permeable by only Na+ separates two compartments containing
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Na2SO4,shown as follows:
g b-g b-g

,Berne and Levy Physiology 7th Edition Koeppen
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Electrodes are placed in both compartments, and a voltage is applied (that of compartment A is
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held at 0 mV). What voltage applied to compartment B would resultin no net movement of Na+
g b-g b-g b-g b-g b-g b-g b-g b-g b-g b-g b-g b-g b-g b-g b-g b-g b-




across the membrane separating the compartments?
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–60 mV
A. b-g




–30 mV
B. b-g




C.
0 mV b-g




D. +30 mV b-g




E. +60 mV b-g b-




ANS: E
g b - g




4. The resting membrane potentN ce l lGis –B
ial oRfa I 85.C
mV. The intracellular and extracellular
b-g

U S N T b-g




concentrations of several ions are indicated in the following table, as is the calculated
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b-g




b-g b-g
b-g

b-g

b-g
b-g

b
-
g b-g

b-g
b-g




b-g b-g
b-g b-g




b-g b-g b-g
b-g




b-g
b-g




b-g
b-




Nernst equilibrium potential (Ei) for each of these ions:
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Ion Concentration Concentration Ei
Inside Cell b-g Outside Cell b-g



+
Na 12 mEq/L b-g 145 mEq/L b-g 66 mV b-g




K+ 150 mEq/L b-g 4 mEq/L b-g –96 mV b-g




Cl– 30 mEq/L b-g 105 mEq/L b-g –33 mV b-g




Ca++ 0.0001 mmol/dL b-g 1 mmol/dL
b-g 122 mV b-g




The membrane has channels for Na+, K+, Cl–, and Ca++. The conductance of the
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membrane is the greatest for which ion?
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A. Na+
B. K+
C. Cl–
D. Ca++ b-




ANS: B
g b-g




5. A cell contains the following membrane transporters:
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Na+ channelK+ channel
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Na+,K+-ATPase
g




The resting membrane voltage of the cell is –80 mV, and the intracellular and
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, Berne and Levy Physiology 7th Edition Koeppen
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extracellular ion concentrations are as follows:
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Ion Intracellular Extracellular
Concentration Concentration
Na+ 10 mEq/L b-g 145 mEq/L b-g




K+ 120 mEq/L b-g 4 mEq/L b-g




The cell is treated with a drug to inhibit the Na+,K+-ATPase. What would be the effect ofthis drug
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on the following parameters?
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Intracellular [Na+] b-g Intracellular [K+] b-g Cell Volume
b-g Membrane Voltage b-g




A. Decrease Decrease Decrease Depolarize
B. Increase Decrease Increase Depolarize
C. Increase Increase Increase No change
b-g




D. Decrease Increase Decrease Hyperpolarize
E. Increase Increase Decrease Hyperpolarize

ANS: B b - g




6. Which of the labeled proteins (shaded) is attached to the membrane by a
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glycosylphosphatidylinositol (GPI) anchor?
g b-g b-g




ANS: E b - g




7. A cell has channels for Na+, K+, and Cl– in its plasma membrane. The resting membrane
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potential is –60 mV (cell interior negative). The intracellular and extracellular
g b-g b-g b-g b-g b-g b-g b-g b-g b-g b-g b-




concentrations for these ions, as well as the calculated Nernst potentials, are listed
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as follows: g b-g