During synaptic transmission of nerve im...

During synaptic transmission of nerve impulse, neurotransmitter (P) is released from synaptic vesicies by the action of ions (Q). Choose the correct P and Q.

P = Acetylcholine, Q = `Ca^(++)`

P = Acetylcholine, Q = `Na^+`

P = GABA, Q = `Na^+`

P = Cholinesterase, Q = `Ca^(++)`

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