Correct Answer: Option A

Explanation

Yes, the passage of a nerve impulse across a synapse is facilitated by the secretion of acetylcholine, which acts as a neurotransmitter. When a nerve impulse reaches the end of a presynaptic neuron, acetylcholine is released into the synaptic cleft, where it binds to receptors on the postsynaptic neuron and triggers a response. 

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