Resting Action Potential Flashcards by Sam A

Q

resting potential

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Q

Measurement of resting potential

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Q

Nature of the resting potential- Bernsteins hypothesis

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Grounds for bernsteins hypothesis

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Equilibrium conditions

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Discrepancy between bernsteins hypothesis and experiment

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Q

Non equilibrium distribution of sodium ions

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Experimental data- squid axon

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Q

The Hodgkin- katz theory

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Q

The k+ and Na+ fluxes and the steady state

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Q

The Goldman equation for steady state resting potential

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Q

The resting potential- analysis

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Q

Permeability of the cell membrane

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Q

The resting potential of cells

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Action potential and excitability

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Q

Excitable tissue

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The action potential

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Importance and functions of the action potential

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Characteristics of the action potential

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Experiments of Cole and Curtis

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Experiments of Hodgkin and Huxley

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Membrane permeabilities

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Changes of the ion fluxes

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The initiation of the action potential

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The threshold potential

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Depolarisation( rising phase)

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Maximum Value(Peak) of the action potential

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Repolarisation (falling phase)

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Hyperpolarisation( Undershoot)

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Refractory period

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Phases of the action potential

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Energy efficiency of the action potential

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Function of the sodium potassium ion pump

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Shape and amplitude of the action potential impulse

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Coding of stimulus strength and duration

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