Identify a difference between muscarinic receptors and nicotinic-muscle (Nm) receptors.
A. Muscarinic receptors are cholinergic receptors, whereas Nm receptors are adrenergic receptors.
B. Muscarinic receptors interact and bind with acetylcholine, whereas Nm receptors interact and bind with dopamine.
C. Muscarinic receptors are blocked by the same class of drugs that block nicotinic-neural receptors, whereas Nm receptors are blocked by the same class of drugs that block alpha and beta receptors.
D. Muscarinic receptors are located at parasympathetic postganglionic nerve endings, whereas Nm receptors are located at the neuromuscular junction of skeletal muscles.
Answer: D
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