True or False Questions 1.  The equilibrium potential of an ion will affect the membrane potential of the cell if the permeability for that ion is zero. (T/F) 2. When there is only one ion permeability and the cell is at rest, then Eion  =  Vrest (T/F) 3. In a generic neuron, Vrest is positive and close to Ek (T/F) 4. the three ions that have biggest contribution to Vm value are K+, Na+ and Cl- (T/F) 5. In a generic cell, the concentration of Na+ is larger outside than inside (T/F) 6. In a generic cell, the concentration of Cl- is lower outside than inside (T/F) 7. A cell at rest only has 2 types of ion permeabilities (where P ion_1 = 1 and P ion_2 =1) the concentration gradients of the two ion types have the same magnitude but opposite polarity (Assume both types of ions have the same valence). Thus, Vm = 0 mV (T/F)

Biology: The Dynamic Science (MindTap Course List)
4th Edition
ISBN:9781305389892
Author:Peter J. Russell, Paul E. Hertz, Beverly McMillan
Publisher:Peter J. Russell, Paul E. Hertz, Beverly McMillan
Chapter39: Information Flow And The Neuron
Section: Chapter Questions
Problem 5TYK: The major role of the Na+/K+ pump is to: a. cause a rapid firing of the action potential so the...
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True or False Questions

1.  The equilibrium potential of an ion will affect the membrane potential of the cell if the permeability for that ion is zero. (T/F)

2. When there is only one ion permeability and the cell is at rest, then Eion  =  Vrest (T/F)

3. In a generic neuron, Vrest is positive and close to Ek (T/F)

4. the three ions that have biggest contribution to Vm value are K+, Na+ and Cl- (T/F)

5. In a generic cell, the concentration of Na+ is larger outside than inside (T/F)

6. In a generic cell, the concentration of Cl- is lower outside than inside (T/F)

7. A cell at rest only has 2 types of ion permeabilities (where P ion_1 = 1 and P ion_2 =1) the concentration gradients of the two ion types have the same magnitude but opposite polarity (Assume both types of ions have the same valence). Thus, Vm = 0 mV (T/F)

 
 


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