Notes in 05SpinalNerves&CervicalPlexus

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Published	07/30/2024	{{c1::Dorsal Rami}} - innervate the posterior part of the trunk and neck in a simple & segmented patterno Motor: {{c2::intrinsic muscles of the ba…
Published	07/30/2024	Notable nerve of the cervical plexus and its spinal nerve origins
Published	07/30/2024	Which important branch of the cervical plexus innervates the diaphragm muscle?
Published	07/30/2024	What is the ratio of the number of vertebral bones to the spinal nerves?
Published	07/30/2024	Spinal nerve T4 exits between which vertebras?
Published	07/30/2024	Which nerve supplies motor innervation to the infrahyoid muscles?
Published	07/30/2024	How many pairs of spinal nerves are there
Published	07/30/2024	There are:{{c1::8}} pairs of cervical nerves{{c1::12}} pairs of thoracic nerves{{c1::5}} pairs of lumbar nerves{{c1::5}} pairs of sacral nerves{{c1::1…
Published	07/30/2024	Why are there 8 cervical nerve but only 7 cervical vertebrae
Published	07/30/2024	Below the cervical region, every spinal nerve exits inferior to the vertebra of the same number [T/F]
Published	07/30/2024	Each spinal nerve connects to the spinal cord by {{c1::the dorsal and ventral root}}
Published	07/30/2024	Each root forms from a series of rootlets that attach along the whole length of the corresponding spinal cord segment. [T/F]
Published	07/30/2024	What's in a dorsal root?
Published	07/30/2024	What's in a ventral root?
Published	07/30/2024	The spinal nerve lies at the junction of the dorsal and ventral roots, just medial to the dorsal root ganglion. [T/F]
Published	07/30/2024	Where do the spinal nerves emerge and the dorsal root ganglia lie?
Published	07/30/2024	Directly {{c1::lateral::direction}} to its intervertebral foramen, each spinal nerve branches into a {{c2::dorsal ramus}} and a {{c2::ventral ramus}}.
Published	07/30/2024	Connecting to the base of the {{c3::ventral}} ramus are {{c1::rami communicantes}} leading to {{c2::sympathetic trunk ganglia}}
Published	07/30/2024	Each of the branches of the spinal nerve contains either only sensory or motor fibers [T/F]
Published	07/30/2024	What do the dorsal and ventral rami supply?
Published	07/30/2024	The dorsal rami supply the
Published	07/30/2024	Which are thicker, the ventral or dorsal rami?
Published	07/30/2024	The ventral rami supply the
Published	07/30/2024	What's the difference between roots and rami?
Published	07/30/2024	Which root is purely sensory?
Published	07/30/2024	Which root is purely motor?
Published	07/30/2024	The innervation of the back (posterior part of the trunk and neck) by the dorsal rami follows a neat, segmented pattern [T/F]
Published	07/30/2024	Where is the only area that the the ventral rami arranged in a simple and segmented pattern
Published	07/30/2024	intercostal nerves innervation
Published	07/30/2024	Along its course, each intercostal nerve gives off
Published	07/30/2024	Which nerve is called a subcostal nerve
Published	07/30/2024	Which intercostal nerve contributes most of its fibers to the brachial plexus
Published	07/30/2024	T1 contributes most of its fibers to which plexus
Published	07/30/2024	What deficits would result from a lesion that damaged the dorsal root of spinal nerve T4?
Published	07/30/2024	What deficits would occur if a lesion damaged the dorsal ramus of T4?
Published	07/30/2024	Below which vertebra does cervical nerve C5 exit
Published	07/30/2024	Below which vertebra does lumbar nerve L3 exit?
Published	07/30/2024	The ventral rami of all spinal nerves except {{c1::T2–T12}} branch and join one another lateral to the vertebral column, forming nerve plexuses
Published	07/30/2024	Plexuses are formed by dorsal and ventral rami [T/F]
Published	07/30/2024	What's the advantage of having nerve plexuses
Published	07/30/2024	Where is the cervical plexus
Published	07/30/2024	The cervical plexus is formed by which nerves?
Published	07/30/2024	Most branches of the cervical plexus are
Published	07/30/2024	What two possibilities may happen for respiratory arrest to occur
Published	07/30/2024	phrenic nerve induces abrupt, rhythmic contractions of the diaphragm
Published	07/30/2024	Which are deeper: cuteneous branches or motor branches
Published	07/30/2024	Cutaneous branches of the cervical plexus
Published	07/30/2024	Motor branches of the cervical plexus
Published	07/30/2024	Ventral Rami of the Lesser Occipital nerve
Published	07/30/2024	Ventral Rami of the Greater auricular nerve
Published	07/30/2024	Ventral Rami of the Transverse cervical nerve
Published	07/30/2024	Ventral Rami of the Supraclavicular nerve
Published	07/30/2024	Ventral rami of the Ansa cervicalis
Published	07/30/2024	Innervates skin on posterolateral aspect of neck
Published	07/30/2024	Innervates skin of ear, skin over parotid gland
Published	07/30/2024	Innervates skin on anterior and lateral aspect of neck
Published	07/30/2024	Innervates skin of shoulder and clavicular region
Published	07/30/2024	Innervates Infrahyoid muscles of neck (omohyoid, sternohyoid, and sternothyroid)
Published	07/30/2024	Innervates deep muscles of neck (geniohyoid and thyrohyoid) and portions of scalenes, levator scapulae, trapezius, and sternocleidomastoid muscles
Published	07/30/2024	The cervical plexus forms loops that lie in front of the origins of what muscles
Published	07/30/2024	Where do the 4 cutaneous nerves branch off the cervical plexus to supply their respective skin patches
Published	07/30/2024	From where does the sensory phrenic nerve get sensation from?
Published	07/30/2024	Hilton’s law
Published	07/30/2024	The area of skin innervated by the cutaneous branches from a single spinal nerve is called a
Published	07/30/2024	All spinal nerves have a dermatome [T/F]
Published	07/30/2024	Destruction of a single spinal nerve does not produce complete numbness anywhere [T/F]
Published	07/30/2024	varicella-zoster viral infection of sensory neurons innervating the skin.
Published	07/30/2024	How does Shingles develop
Published	07/30/2024	Following a shingles outbreak, some patients experience
Published	07/30/2024	a condition that occurs if the zoster virus damages the sensory nerve fibers and disrupts the sensory pathways. Sensory signals from the skin are exag…
Published	07/30/2024	any pathologic condition of the peripheral nerves that disrupts nerve function.
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