This nucleus contributes axons to CN's IX and Stephen @University

Question 15 / 22: This nucleus contributes axons to CN's IX and X. Which one of the following statements is true?

A. This nucleus has to do with the sensory innervation of the larynx and pharynx.

B. This nucleus contains cell bodies of axons that provide motor innervation to the infrahyoid
muscles.

C. Neurons in this nucleus innervate striated muscles of the larynx and pharynx and are therefore
critical for both phonation and swallowing.

D. This nucleus contains parasympathetic preganglionic cell bodies providing innervation to the
smooth muscle in the pharyngeal and esophageal regions.

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Explanation:

Right-O, old chap!! The postganglionic cell bodies for the vagus nerve are located in small ganglia in the wall of the organ.

Quiz Home Page

https://www.jobilize.com/ch-04-spinal-cord-general-anatomy-brain-stem

Ch 04: Spinal Cord General Anatomy & Brain Stem

Author:

M.D.Stephen VoronLecturer

University of Utah

USA

Access: Public Instant Grading

Attribution: Stephen C. Voron, M.D., Suzanne S. Stensaas, Ph.D. , Department of Neurobiology and Anatomy, University of Utah, School of Medicine, Salt Lake City, Utah 84132, http://library.med.utah.edu/kw/hyperbrain

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