Question

The resting potential of a myelinated nerve
fiber is primarily dependent on the
concentration
gradient of which of the following ions?

Ca2+
CI-
HCO3-
K+
Na+

Answer 1

Answer:

Explanation: The resting potential of any cell is dependent on the concentration gradients of the permeant ions and their relative permeabilities (Goldman equation). In the myelinated nerve fiber, as in most cells, the resting membrane is predominantly permeable to K+.

Explanation:

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