Which receptors carry out primary functions of the parasympathetic nervous system? Select all that apply
a. NMDA
b. COX-1
c. COX-2
d. Nicotinic
e. Muscarinic
D, E
Nicotinic and muscarinic receptors are involved in the action of ACh, the primary neurotransmitter for the parasympathetic nervous system. The other options are not involved.
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