1 Resting Membrane Potentials

Reactions: 
RMP
Tissue
Depolarization due to

-70
Most Cells
Na+


-90
Skeletal Muscle
Na+
-90
Ventricle
Na+
-90
Large Motor Spinal Neuron
Na+


-30 to -40
Smooth Muscle
Ca+
-30 to -40
SA node
Ca+



Increase K+ in ECF --- decreases RMP i.e -70 to -65 mV

Please note that here decrease is not taking negative sign into consideration.


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