Test Bank - Berne and Levy Physiology 7th Edition (Koeppen 2023/2024) Complete Guide Latest Version A+.
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Berne and Levy Physiology 7th Edition
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Berne And Levy Physiology 7th Edition
Test Bank - Berne and Levy Physiology 7th Edition (Koeppen 2023/2024) Complete Guide Latest Version A+.
Berne and Levy Physiology 7th Edition KoeppenTest Bank Koeppen: Berne and Levy Physiology, 7th Edition
Chapter 01: Principles of Cell FunctionTest Bank
Multiple Choice
1. The subcellular st...
BERNE AND LEVY PHYSIOLOGY
7TH EDITION KOEPPEN ALL
CHAPTERS
, Berne and Levy Physiology 7th Edition Koeppen
Berne and Levy Physiology 7th Edition KoeppenTest Bank
Koeppen: Berne and Levy Physiology, 7th Edition
Chapter 01: Principles of Cell
FunctionTest Bank
Multiple Choice
1. The subcellular structure that degrades proteins is called the:
A. Tight junction
B. Mitochondria
C. Lysosome
D. Plasma membrane
E. Ribosome
ANS: C
2. An experiment is done to measure the uptake of an amino acid into a cell. The
following data are obtained:
N
If Na+ is removed from the extracellular bathing solution, or if a drug is added that prevents the
cell from making adenosine triphosphate (ATP), the uptake of amino acid into the cell is
markedly reduced. According to this information, which of the followingmechanisms is
probably responsible for the transport of the amino acid into the cell?
A. Passive diffusion through the lipid bilayer
B. Uniporter
C. Transport ATPase
D. Na+ symporter
E. Na+ antiporter
ANS: D
3. A membrane permeable by only Na+ separates two compartments
containing Na2SO4,shown as follows:
,Berne and Levy Physiology 7th Edition Koeppen
Electrodes are placed in both compartments, and a voltage is applied (that of compartment A
is held at 0 mV). What voltage applied to compartment B would resultin no net movement of
Na+ across the membrane separating the compartments?
A.–60 mV
B.–30 mV
C.0 mV
D. +30 mV
E. +60
mV ANS: E
4. The resting membrane potentNU ial oSRf N
a Ice llGis –B85.CmV. The intracellular
and extracellular concentrations of several ions are indicated in the following table, as
is the calculated T
Nernst equilibrium potential (Ei) for each of these ions:
The cell is treated with a drug to inhibit the Na+,K+-ATPase. What would be the effect ofthis drug
on the following parameters?
Intracellular [Na+] Intracellular [K+] Cell Volume Membrane Voltage
A. Decrease Decrease Decrease Depolarize
B. Increase Decrease Increase Depolarize
C. Increase Increase Increase No change
D. Decrease Increase Decrease Hyperpolarize
E. Increase Increase Decrease Hyperpolarize
ANS: B
6. Which of the labeled proteins (shaded) is attached to the membrane by
a glycosylphosphatidylinositol (GPI) anchor?
ANS: E
7. A cell has channels for Na+, K+, and Cl– in its plasma membrane. The resting
membrane potential is –60 mV (cell interior negative). The intracellular and
extracellular concentrations for these ions, as well as the calculated Nernst potentials,
are listed as follows:
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