Question

question 4
which of the following are generally adrenergic fibers?
a sympathetic preganglionic fibers
b parasympathetic postganglionic fibers
c parasympathetic preganglionic fibers
d sympathetic postganglionic fibers

Explanation:

• Adrenergic fibers are those that release norepinephrine (adrenaline - like substances).
• Sympathetic postganglionic fibers (except those innervating sweat glands and some blood vessels in skeletal muscles) are adrenergic.
• Sympathetic preganglionic fibers are cholinergic (release acetylcholine).
• Parasympathetic pre - and postganglionic fibers are cholinergic.

Answer:

D. Sympathetic postganglionic fibers