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Chapter 1: Q. 17 (page 7)

Where are parasympathetic preganglionic cell bodies located?

a. cerebellum

b. brainstem

c. dorsal root ganglia

d. skin

Short Answer

Expert verified

Option b is the correct answer.

Step by step solution

01

Introduction

The parasympathetic nerve system enables "rest and digestion" in the body. Acetylcholine is released by parasympathetic neurons. The brainstem and sacral spinal cord are home to the cell bodies of parasympathetic neurons. The parasympathetic nervous system is activated to enhance digestion and blood flow to the skin while lowering heart rate and blood pressure.

02

The explanation for the correct answer

Cell bodies for parasympathetic preganglionic neurons are found in the brainstem and sacral (downward facing) spinal cord.

03

The explanation for incorrect options

The rest of the options are irrelevant to the question.

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