If a drug partly blocks a membrane’s potassium channels

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A. Suppose neuron X has a synapse onto neuron Y, which has a synapse onto Z. Presume that no other neurons or synapses are present. An experimenter finds that stimulating neuron X causes an action potential in neuron Z after a short delay. However, she determines that the synapse of X onto Y is inhibitory. Explain how the stimulation of X might produce excitation of Z.

B. If a drug partly blocks a membrane’s potassium channels, how does it affect the action potential?

Reference no: EM13490975

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