Found on the cell bodies of neurons in both parasympathetic and sympathetic ganglia, _______________ are examples of _______________.

A) nicotinic receptors; ligand-gated ion channels
B) nicotinic receptors; G-protein coupled receptors
C) muscarinic receptors; ligand-gated ion channels
D) muscarinic receptors; G-protein coupled receptors
E) adrenergic receptors; G-protein coupled receptors