Cholinergic Receptors Made Easy: Nicotinic and Muscarinic Receptor Functions | USMLE Pharmacology Review

Learn to differentiate nicotinic (Nn, Nm) and muscarinic (M1–M5) receptor functions with this interactive matching activity. Master the key actions involved in synaptic transmission, cardiac control, secretion, and smooth muscle contraction — high-yield for USMLE Step 1.

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