Most sympathetic postganglionic fibers are called ____________________ fibers because they release noradrenaline,commonly known as norepinephrine.
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Q66: Nicotinic receptors are found on the _
Q67: Parasympathetic preganglionic fibers are longer than sympathetic
Q68: The motor end-plate region undergoes a threshold
Q69: The sympathetic nervous system originates in the
Q70: Sympathetic stimulation _ the heart rate,whereas parasympathetic
Q72: Long postganglionic fibers originate in the _
Q73: The end-plate potential (EPP)is a graded potential
Q74: Autonomic efferent output regulates _ activities such
Q75: Each autonomic nerve pathway extending from the
Q76: Many autonomic fibers release _ along with
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