Questions: What nerve fiber of the autonomic nervous system does not release acetylcholine? • Preganglionic sympathetic • Postganglionic parasympathetic • Preganglionic parasympathetic

What nerve fiber of the autonomic nervous system does not release acetylcholine? • Preganglionic sympathetic • Postganglionic parasympathetic • Preganglionic parasympathetic
Transcript text: What nerve fiber of the autonomic nervous system does not release acetylcholine? • Preganglionic sympathetic • Postganglionic parasympathetic • Preganglionic parasympathetic
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Solution

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Solution Steps

Step 1: Identify the Question

The question on the screen asks, "What nerve fiber of the autonomic nervous system does not release acetylcholine?"

Step 2: List the Options

The options provided are:

  • Preganglionic sympathetic
  • Postganglionic sympathetic
  • Preganglionic parasympathetic
  • Postganglionic parasympathetic
Step 3: Analyze the Options
  • Preganglionic sympathetic fibers release acetylcholine.
  • Preganglionic parasympathetic fibers release acetylcholine.
  • Postganglionic parasympathetic fibers release acetylcholine.
  • Postganglionic sympathetic fibers typically release norepinephrine, not acetylcholine.

Final Answer

The correct answer is Postganglionic sympathetic.

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