When the axons membrane is positively charged outside and negatively charged in side, then the condition is known as -a)Action potentialb)Resting potentialc)Active potentiald)Differential potentialCorrect answer is option 'B'. Can you explain this answer?

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When the axons membrane is positively charged outside and negatively charged in side, then the condition is known as -

a)
Action potential
b)
Resting potential
c)
Active potential
d)
Differential potential

Correct answer is option 'B'. Can you explain this answer?

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When the axons membrane is positively charged outside and negatively c...

Resting membrane potential:-

Neurons have a negative concentration gradient most of the time, meaning there are more positively charged ions outside than inside the cell. This regular state of a negative concentration gradient is called resting membrane potential. During the resting membrane potential there are:

more sodium ions (Na+)outside than inside the neuron

more potassium ions (K+) inside than outside the neuron

The concentration of ions isn’t static though! Ions are flowing in and out of the neuron constantly as the ions try to equalize their concentrations. The cell however maintains a fairly consistent negative concentration gradient (between -40 to -90 millivolts).

1.The neuron cell membrane is super permeable to potassium ions, and so lots of potassium leaks out of the neuron through potassium leakage channels (holes in the cell wall).

2.The neuron cell membrane is partially permeable to sodium ions, so sodium atoms slowly leak into the neuron through sodium leakage channels.

3.The cell wants to maintain a negative resting membrane potential, so it has a pump that pumps potassium back into the cell and pumps sodium out of the cell at the same time.

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When the axons membrane is positively charged outside and negatively charged in side, then the condition is known as -a)Action potentialb)Resting potentialc)Active potentiald)Differential potentialCorrect answer is option 'B'. Can you explain this answer?

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