It Is Accurate to Say That Neural Transmission Across Nearly

Multiple Choice

It is accurate to say that neural transmission across nearly all mammalian synaptic clefts is the result of

A) neural impulses involving the flow of K⁺ and Na⁺ across the cleft.
B) neural impulses traveling across the gap as electrical currents.
C) neural impulses causing the release of chemicals that diffuse across the cleft.
D) neural impulses traveling across the cleft in both directions.
E) the calcium within the axons and dendrites of nerves adjacent to a synapse acting as the neurotransmitter.