Neural Transmission Across a Mammalian Synaptic Gap Is Accomplished by

question 13

Multiple Choice

Neural transmission across a mammalian synaptic gap is accomplished by

• A) the movement of sodium and potassium ions from the presynaptic neuron into the postsynaptic neuron.
• B) impulses traveling as electrical currents across the gap.
• C) impulses causing the release of a chemical signal and its diffusion across the gap.
• D) impulses ricocheting back and forth across the gap.
• E) the movement of calcium ions from the presynaptic into the postsynaptic neuron.

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