Pharmacology Which of the following is true about parasympathetic nervous system? A Ach is transmitter at both pre & post synaptic junction B It causes dilatation of skeletal muscles C Post-ganglionic fibres are longer than pre ganglionic fibres D Noradrenalin is the neurotransmitter at post ganglionic junction 💡 Explanation Which of the following is true about parasympathetic nervous system? ✓ Correct Answer: A. Ach is transmitter at both pre & post synaptic junction