ETE GUIDE (NE7TH EDITION KOEPPEN ALL
CHAPTERS 1-44 COMPL WEST VERSION) 2024.
, Berne and Levy Physiology 7th Edition KoeppenTest
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kr BankKoeppen: Berne and Levy Physiology, 7th Edition
rk kr kr kr kr kr kr
Chapter 01: Principles of kr kr kr
CellFunctionTest Bank
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Multiple Choice kr
1. The subcellular structure that degrades proteins is called the:
kr kr kr kr kr kr kr kr
A. Tight junction kr
B. Mitochondria
C. Lysosome
D. Plasma membrane kr
E. Ribosome
ANS: C k r
2. An experiment is done to measure the uptake of an amino acid into a cell. The
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followingdata are obtained:
kr kr kr kr
N
If Na+ is removed from the extracellular bathing solution, or if a drug is added that prevents
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thecell from making adenosine triphosphate (ATP), the uptake of amino acid into the cell is
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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?
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A. Passive diffusion through the lipid bilayer kr kr kr kr kr
B. Uniporter
C. Transport ATPase kr
D. Na+ symporter kr
E. Na+
antiporterAN
kr kr
S: D k r
3. A membrane permeable by only Na+ separates two compartments
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containingNa2SO4,shown as follows:
kr kr kr kr
,Electrodes are placed in both compartments, and a voltage is applied (that of compartment A
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isheld at 0 mV). What voltage applied to compartment B would resultin no net movement of
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Na+across the membrane separating the compartments?
kr kr kr kr kr kr kr
–60 mVA. kr
–30 mVB. kr
0 mV C. kr
D. +30 mV kr
E. +60
mVANS: E
kr kr k r
4. The resting membrane potentN cellGis –B
ial oRf aI 85.mCV. The intracellular and extracellular
concentrations of several ions U
areSindicated
N
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kr in the following table, as is the
kr kr kr kr
kr
kr
kr
kr kr kr kr kr kr kr
calculated
kr
Nernst equilibrium potential (Ei) for each of these ions:
kr kr kr kr kr kr kr kr
Ion Concentration Concentration Ei
Inside Cell kr Outside Cell kr
Na+ 12 mEq/L kr 145 mEq/L kr 66 mV kr
K+ 150 mEq/L kr 4 mEq/L
kr –96 mV kr
Cl– 30 mEq/L kr 105 mEq/L kr –33 mV kr
Ca++ 0.0001 mmol/dL kr 1 mmol/dL
kr 122 mV kr
The membrane has channels for Na+, K+, Cl–, and Ca++. The conductance of themembrane
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is the greatest for which ion?
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A. Na+
B. K+
C. Cl–
D. Ca++
ANS: kr
B kr
5. A cell contains the following membrane transporters:
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Na+ channelK+ kr
channelNa+,K+-
kr kr
ATPase
, The resting membrane voltage of the cell is –80 mV, and the intracellular and
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