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In Activity 6, which of the following will increase the stimulus intensity?

Lidocaine blocks diffusion of [x] through [y] [z] channels.

Put the following events that occur in the axon terminal and at a synapse in the proper order.

In synaptic transmission, which cell is the target cell?

[a] neurotransmitter was released when in the experiment having no Ca++ in the extracellular fluid because [b] is Ca++ dependent.

Mg++ [a] the effect of extracellular calcium by blocking [b] and [c] neurotransmitter release.

What change in membrane potential triggers the action potential? 

Under resting conditions potassium ions move ___ the neuron through ____ channels.

Put the events occurring at a ligand gated channel in the correct order.

Stronger stimuli are able to increase the frequency of action potentials by intruding on the: