Question

For a regular neuron, the Nernst potential of K+ is about -90 mV. If a researcher applies a drug that binds to and blocks 50% of K+ leak channels, what will the new Nernst potential of K+ be?
1. 0 mV
2. -90 mV
3. -135 mV
4. -180 mV

Answer 1

The correct answer is option 2-90

Answer 2

Explanation:

ans. is -90............