Which of the following is TRUE regarding neurotransmitters

Last updated: 5/8/2023

Which of the following is TRUE regarding neurotransmitters Muscarinic receptors bind to norepinephrine The effect of ANS fibers releasing acetylcholine or norepinephrine is always inhibitory ONE binding to B2 receptors constricts blood vessels Acetylcholine binding to nicotinic receptors is always stimulatory