MediumZoologyNeural Control & Coordination
+4 / -1
When a stimulus is applied to a site on the polarized membrane, the membrane becomes freely permeable to:
A
K+
B
Na+
C
Cl-
D
Ca2+
Explanation
A stimulus causes a rapid influx of Na+ into the cell, leading to the reversal of polarity (depolarization) and the generation of an action potential.
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