Permeability of which ion is affected by a positive feedback mechanism once threshold is reached?
A)sodium
B)potassium
C)calcium
D)chloride
E)protein

Name: Permeability of which ion is affected by a positive feedback mechanism once threshold is reached? A)sodium B)potassium C)calcium D)chloride E)protein
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Question

Quizplus · Accepted Answer

Once the threshold is reached, voltage-gated sodium channels open, increasing sodium permeability and causing more channels to open in a positive feedback loop, leading to an action potential.

Permeability of Which Ion Is Affected by a Positive Feedback