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USMLE
Combined Neurology XII
Which of the following neurotransmitter-receptor pairs and their functions are correct?
Explanation
ExplanationD. Norepinephrine acts on β1-receptors on the sinus node increasing the heart rate. The main neurotransmitters of the autonomic nervous system include norepinephrine and acetylcholine, although several neuropeptide neurotransmitters colocalize with these neurotransmitters and exert actions that affect autonomic nervous system function as well. Epinephrine is released by the adrenal medulla, and exerts similar actions to norepinephrine at αreceptors
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