The figure below shows a plot of an action potential formation. Explain what is
ID: 1061045 • Letter: T
Question
The figure below shows a plot of an action potential formation. Explain what is happening in each of the stages shown with number (1-6). Why do action potentials move in only one direction along axons? Suppose you are recording a neurons resting membrane potential. If you add KCl to the external medium, what will happen lo the resting potential? Compare this to what will happen if you add the same amount of NaCl. What can you conclude from this comparison? Suppose you are recording action potentials from a neuron. How will the action potential be affected if you remove Na^+ from the external medium? How will the action potential be affected if you remove external K^+? Suppose you are recording a neuron's resting membrane potential. If you add KCL to the external medium, what will happen to the resting membrane potential? Compare this to w hat will happen if you add the same amount of NACl. What can you conclude from this comparison? What is the motor neurons" key property, which is a fleeted in patients with multiple sclerosis? What are the main differences of chemical synapses vs electrical synapses? Why are the nodes of Ranvier crucial for action potential propagation? How large are these "nodes"?Explanation / Answer
3.suppose you are recording a neuron's resting membrane potential. If you added KCl to the external medium, what would happen to the resting potential? Compare this to what would happen if you had added the same amount of NaCl. What can you conclude from this comparison?
Ordinarily, resting layer potential is - 60mV. In the event that KCl is added to the outside of the cell, resting film potential turns out to be more positive/depolarized. Including a similar measure of NaCl would have no impact on the film on the grounds that the cell layer is not penetrable to sodium in the resting state. Sodium does not influence film capability of a neuron in resting state.
on other words , Adding KCl will depolarize the resting membrane potential, while adding NaCl does nothing. This suggest that at the resting membrane potential, the membrane is permeable to K+ but not to Na+
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