Skip to main content
Pearson+ LogoPearson+ Logo
Ch. 13 The Peripheral Nervous System
All textbooksErin C. Amerman 2nd EditionCh. 13 The Peripheral Nervous SystemProblem 13.3b
Chapter 13, Problem 13.3b

Define each of the following terms in your own words, using 20 or fewer words.


b. Nerve plexus

Verified step by step guidance
1
A network of intersecting nerves that coordinate sensory and motor signals in specific body regions.

Verified video answer for a similar problem:

This video solution was recommended by our tutors as helpful for the problem above.
Video duration:
0m:0s
Was this helpful?

Key Concepts

Here are the essential concepts you must grasp in order to answer the question correctly.

Nerve Plexus

A nerve plexus is a network of intersecting nerves that supply a specific body region, facilitating communication.
Recommended video:
Guided course
2:25
Nerves and Blood Supply

Peripheral Nervous System

The peripheral nervous system consists of all nerves outside the brain and spinal cord, connecting the central nervous system to limbs and organs.
Recommended video:
3:33
Peripheral Nervous System

Function of Nerve Plexuses

Nerve plexuses coordinate motor and sensory functions, ensuring efficient signal transmission to and from various body parts.
Recommended video:
06:04
Functional Groups
Related Practice
Textbook Question

Define each of the following terms in your own words, using 20 or fewer words.


a. Peripheral nerve

329
views
Textbook Question

Explain why you lose both motor and sensory function of a part of your body when a spinal nerve is numbed with anesthetic agents.

363
views
Textbook Question

When Mr. Williams goes to the emergency department with pain in the area along the midline of the diaphragm, he worries he is having a heart attack. Could the pain be related to his heart? Could it be related to any other organ(s)? Explain.

308
views
Textbook Question

Define each of the following terms in your own words, using 20 or fewer words.



c. Posterior root ganglion

325
views
Textbook Question

First, write the Roman numeral that corresponds to each named cranial nerve (after the abbreviation CN). Second, match the cranial nerve with its correct function from the column on the right.


CN____               

______Vestibulocochlear nerve

CN____           ​ ​

______Trigeminal nerve

CN____           ​ ​

_______Hypoglossal nerve

CN____           ​ ​

_______Abducens nerve

CN____           ​ ​

_______Vagus nerve

CN____           ​ ​

_______Olfactory nerve

CN____            ​ ​

_______Accessory nerve

CN____           ​ ​

_______Oculomotor nerve

CN____           ​ ​

_______Facial nerve

CN____           

_______Optic nerve

CN____           ​ ​

_______Glossopharyngeal nerve

CN____           

_______Trochlear nerve


a. Motor to the lateral rectus muscle

b. Motor to the muscles of facial expression; lacrimation; salivation; taste to the anterior two-thirds of the tongue

c. Sense of smell

d. Motor to the muscles for swallowing; salivation; taste to the posterior one-third of the tongue; somatic sensation from the throat

e. Senses of hearing and equilibrium

f. Motor to the superior oblique muscle

g. Motor to the tongue

h. Motor to the sternocleidomastoid and trapezius muscles

i. Sense of vision

j. Motor to muscles of swallowing and speaking; parasympathetic innervation to thoracic and abdominal viscera; sense of taste from the throat

k. Sensory to the face; motor to the muscles of mastication

l. Motor to four of six extrinsic eye muscles; constricts the pupil; changes the shape of the lens; opens the eyelid

390
views
Textbook Question

Maria is a 3-year-old who has been diagnosed with CIPA, or congenital insensitivity to pain with anhidrosis. This disease results from a genetic mutation that causes essentially all general sensory neurons to not function properly. What types of sensations will Maria be unable to detect (be specific)? Predict what problems she might face from her condition.

291
views