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Multiple Choice
Where would you not find a cholinergic nicotinic receptor?
A
Sympathetic ganglia
B
Postganglionic parasympathetic neurons
C
Skeletal muscle neuromuscular junctions
D
Parasympathetic ganglia
Verified step by step guidance
1
Understand the role of cholinergic nicotinic receptors: These receptors are a type of acetylcholine receptor that respond to the neurotransmitter acetylcholine. They are found in various parts of the nervous system.
Identify where cholinergic nicotinic receptors are typically found: They are commonly located in sympathetic and parasympathetic ganglia, as well as at the neuromuscular junctions of skeletal muscles.
Analyze the options given: Sympathetic ganglia, postganglionic parasympathetic neurons, skeletal muscle neuromuscular junctions, and parasympathetic ganglia.
Recall that postganglionic parasympathetic neurons primarily use muscarinic receptors, not nicotinic receptors, for neurotransmission.
Conclude that the location where you would not find cholinergic nicotinic receptors is in postganglionic parasympathetic neurons, as they utilize muscarinic receptors instead.