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5 Cards in this Set
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Steady State Potential ---Resting Membrane Potential ------V_mr ~ -70mV Membrane Potentials ---V_eq K+ ~ -90mV ---V_eq Na+ ~ +30mV ---V_mr ~ -70mV |
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1. voltage (potential across membrane) is ______ 2. in the case of excitable nerve cells, work would be ______ 3. passive flow pushes sodium ______, passive flow pushes potassium ______ 4. active flow pushes sodium ______, active flow pushes potassium ______ 5. the Na+/K+/ATPase pump is a(n) ______ pump |
1. -90mV 2. signal conduction 3. in, out 4. out, in 5. electrogenic |
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1. the Na+/K+/ATPase pump will pump ______ sodium out, for every ______ potassium in 2. this pump keeps the outside more ______ relative to the inside 3. the pump will allow us to have a ______ state, but not a(n) ______ 4. if the system discharges on its own, then putting in ______ will help us achieve a steady state 5. T/F. A steady state and equilibrium appear the same. |
1. 3 sodium out, 2 potassium in (3:2 ratio) 2. positive 3. steady, equilibrium 4. energy 5. True |
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Steady State Potential ---Resting Membrane Potential ------V_mr ~ ______ Membrane Potentials ---V_eq K+ ~ ______ ---V_eq Na+ ~ ______ ---V_mr ~ ______ |
Steady State Potential ---Resting Membrane Potential ------V_mr ~ -70mV Membrane Potentials ---V_eq K+ ~ -90mV ---V_eq Na+ ~ +30mV ---V_mr ~ -70mV |
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1. ______ ions are the ones that contribute the most to Vmr 2. at rest the greatest force is on ______ ions 3. the steady state is a ______ average 4. the forces driving potassium current flow are ______ mV strong; the forces driving sodium current flow are ______ mV strong 5. if we increased the number of pathways through which sodium current can flow, then what happens? [WON'T BE ON A QUIZ] |
1. Potassium 2. Sodium 3. weighted 4. 20mV; 100mV 5. LOOK IT UP |
