ppose hdt Certain Cells lounu are shown below. The resting membrane potential is -75 mV. Assume that passage of both ions across the membrane occurs through ion channels that are selective for each ion Tno orie Test. The [Intracellular] [Extracellular] CI 4 mM 110 mM K+ 25 mM 100 mM Based on this information, what reasonable conclusion can you draw about the relative permeabilities of K+ and CI" ions in these neurons at rest based on what we discussed? O a. The membrane is more permeable to chloride ions than to potassium ions at rest. O b. The membrane is more permeable to potassium ions than to chloride ions at rest. C. At rest, the membrane potential of these neurons lies closer to the potassium equilibrium potential (EK) than it does to the chloride equilibrium potential (ECI). O d. Both a and c O e. Both b and c
ppose hdt Certain Cells lounu are shown below. The resting membrane potential is -75 mV. Assume that passage of both ions across the membrane occurs through ion channels that are selective for each ion Tno orie Test. The [Intracellular] [Extracellular] CI 4 mM 110 mM K+ 25 mM 100 mM Based on this information, what reasonable conclusion can you draw about the relative permeabilities of K+ and CI" ions in these neurons at rest based on what we discussed? O a. The membrane is more permeable to chloride ions than to potassium ions at rest. O b. The membrane is more permeable to potassium ions than to chloride ions at rest. C. At rest, the membrane potential of these neurons lies closer to the potassium equilibrium potential (EK) than it does to the chloride equilibrium potential (ECI). O d. Both a and c O e. Both b and c
Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
Section: Chapter Questions
Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...
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![Suppose that certain cells found in an organism are permeable to both CI" and Kt ions but no other ions at rest. The intra- and extracellular concentrations of both ions for these cells
are shown below. The resting membrane potential is -75 mV. Assume that passage of both ions across the membrane occurs through ion channels that are selective for each ion.
[Intracellular] [Extracellular]
CI
4 mM
110 mM
K+
25 mM
100 mM
Based on this information, what reasonable conclusion can you draw about the relative permeabilities of K* and CI" ions in these neurons at rest based on what we discussed?
а.
The membrane is more permeable to chloride ions than to potassium ions at rest.
b.
The membrane is more permeable to potassium ions than to chloride ions at rest.
С.
At rest, the membrane potential of these neurons lies closer to the potassium equilibrium potential (EK) than it does to the chloride equilibrium potential (ECI).
d.
Both a and c
е.
Both b and c](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fb105bc1c-2660-4ddf-8112-713241458631%2Fae0ac5e1-789d-40a4-9cad-78ed659111cd%2Fvja7udh_processed.png&w=3840&q=75)
Transcribed Image Text:Suppose that certain cells found in an organism are permeable to both CI" and Kt ions but no other ions at rest. The intra- and extracellular concentrations of both ions for these cells
are shown below. The resting membrane potential is -75 mV. Assume that passage of both ions across the membrane occurs through ion channels that are selective for each ion.
[Intracellular] [Extracellular]
CI
4 mM
110 mM
K+
25 mM
100 mM
Based on this information, what reasonable conclusion can you draw about the relative permeabilities of K* and CI" ions in these neurons at rest based on what we discussed?
а.
The membrane is more permeable to chloride ions than to potassium ions at rest.
b.
The membrane is more permeable to potassium ions than to chloride ions at rest.
С.
At rest, the membrane potential of these neurons lies closer to the potassium equilibrium potential (EK) than it does to the chloride equilibrium potential (ECI).
d.
Both a and c
е.
Both b and c
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