Clh&n And Fns Test Iii Fns Lecture 16: Cranial Nerves Functional Types Of Fibers

Front 1

What type of nerve fibers ar from skin & deeper tissues and convery the modalities of pain, thermal and vibratory sensations, light tough, tactile discrimination and kinesthesis?

Back 1

General Somatic Afferent (GSA)

Front 2

What type of nerve fibers are from stretch and pressure receptors in viscera, blood vessels, and glands?

Back 2

General visceral afferent (GVA)

Front 3

What type of nerve fibers are axons( nerve fibers) of alpha motor neurons iN LAM IX course in the ventral root and then in the spinal nerve. They innervate skeletal muscle of the body.

Back 3

General Somatic Efferent

Front 4

Is the GVE a one motor neuron or two motor neuron pathway?

Back 4

Two motor neuron

Front 5

Where in the GVE is the first neuron located?

Back 5

Preganglionic sympathetic neurons in the intermediolateral cell column of LAM VII

Front 6

Where do the first neurons synapse on in the GVE?

Back 6

In the postganglionic cells in chain ganglia.

Front 7

Where is the second neuron located in the GVE?

Back 7

In postganglionic cells in sympathetic chain ganaglia

Front 8

What are the four functional types of each spinal nerve?

Back 8

GSA
GVA
GSE
GVE

Front 9

What are the seven functional types of fibers?

Back 9

Same as the spinal nerves (GSA, GVA, GSE, GVE) plus four
SSA
SVA
SVE

Front 10

True/False: NO cranial nerve contains fibers for all seven categories.

Back 10

True; some cranial nerves only contain one type and maximum of five functional types of fibers/nerve

Front 11

What type of fiber: pain, thermal, touch and proprioception, 2 pt tactile.

Back 11

GSA

Front 12

What fiber type: Sensation: pressure stretch receptors for vascular and visceral structures.

Back 12

GVA

Front 13

What type of nerve fibers: Sensation is taste and olfaction.

Back 13

SVA

Front 14

What type of nerve fibers sensation is vision, hearing, equilibrium.

Back 14

SSA

Front 15

What are the cranial nerves associated with GSA?

Back 15

V (Trigeminal)
VII (Facial)
IX (Glossopharyngeal)
X (Vagus)

Front 16

for sensory innervation of the head what cranial nerves are associated with GVA?

Back 16

VII (Facial)
IX (Glossopharyngeal)
X (Vagus)
Cr (XI): Spinal Accessory

Front 17

For the sensory innervation of the head what cranial nerves are associated with SSA?

Back 17

II (Optic)
VIIIc (Vestibulocochlear-Cochlear)
VIIIv (Vesitbulocochlear-vestibule)

Front 18

For motor innervation of the head, what cranial nerves are associated with GSE?

Back 18

III (Ophthalmic)
IV (Abducens)
VI (Trochlear)
XII (Hypoglossal)

Front 19

For motor innervation of the head, what cranial nerves are associated with SVE?

Back 19

V (Trigeminal)
VII (Facial)
IX (Glossopharyngeal)
X (Vagus)
Cr. XI (Spinal Accessory nerve)

Front 20

For motor innervation of the head, what cranial nerves are associated with GVE?

Back 20

VII (Facial)
IX (Glossopharyngeal)
X (Vagus)
III (Ophthalmic)

Front 21

What fiber type innervates the head's skeletal muscle derived from cranial somites?

Back 21

GSE (III, IV, VI, XII)

Front 22

What fiber types innervate the head's skeletal muscle derived from pharyngeal arches?

Back 22

SVE (V, VII, IX, X, Cr. XI)

Front 23

What fiber types innervate the glands of the head (lacrimal, submandibular, sublingual, parotid)?

Back 23

GVE (VII, IX, X)

Front 24

What fiber type innervates the smooth msucle of the eye (sphincter pupillae and ciliary muscle)?

Back 24

GVE (III-trochlear)

Front 25

What are the two divisions of the mantle zone?

Back 25

Alar plate
Basal plate

Front 26

Where does the dorsal horn arise from?

Back 26

Alar plate

Front 27

What does the dorsal horn give rise to?

Back 27

Sensory (GSA, GVA)

Front 28

Lateral horn gives rise to what?

Back 28

Motor (GVE)

Front 29

Ventral horn gives rise to _____?

Back 29

Motor (GSE)

Front 30

What is the boundary between the alar and basal plates = ______________?

Back 30

Sulcus limitans

Front 31

What is the interface between the upper & lower medulla?

Back 31

Obex

Front 32

Sensory cell groups that are located dorsal to sulcus limitans in the spinal cord become relocated where to the sulcus limitans?

Back 32

Lateral to the sulcus limitans in the IV ventricle

Front 33

Motor cell groups situated ventral to sulcus limitans in the spinal corde become relocated _______ to sulcus limitans?

Back 33

Medial to sulcus limitans

Front 34

What are the three motor cell groups types located medial to sulcus limitans?

Back 34

GSE
SVE
GVE

Front 35

What four sensory cell groups are located laterally to sulcus limitans?

Back 35

GVA
SVA
GSA
SSA

Front 36

Where are the cochlear nuclei located?

Back 36

Dorsal and ventral to the Inferior cerebellar peduncle

Front 37

Where are the vestibular nuclei located?

Back 37

Medial to the inferior cerebellar peduncle