Which Neurotransmitter Elicits Responses of Both Ionotropic and Metabotropic Receptors

Question

Which neurotransmitter elicits responses of both ionotropic and metabotropic receptors?
A) Acetylcholine
B) Dopamine
C) Glutamate
D) Both acetylcholine and glutamate

Accepted Answer

Acetylcholine acts on both ionotropic (nicotinic) and metabotropic (muscarinic) receptors, while glutamate acts on ionotropic (NMDA, AMPA, kainate) and metabotropic (mGluR) receptors.