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CNS quiz3 PCC

Brainstem is componsed of? MO, pons and midbrain
____ origins of CNs are on the outside of the pons? Apparent
____ origins and terminations are inside the CNS Actual
3 functions of MO 1. Passive fiber conduction 2. Relay nuclei 3. CN nuclei 5,7,8,9,10,11,12
MO is ____ to the cerebellum Ventral
MO is ____ to the pons and ___ to the spinal cord 1. Inf 2. Sup
Where is the exact inferior boundry? Highest C1 ventral rootlet
3 dimensions of MO 2.5-3cm long 2 cm wide and 1.25 cm deep
9, 10, 11 aparent origins are near the ____ Posteriolateral sulcus
Aparent origin of CN 11 Inferior pontine sulcus
Apparent origin of CN 8 and 9 Pontocerebellar angle
Apparent origin of CN 12 Ventrolateral sulcus
Fibers come to the inferior olovie from all over the place... from here where do they go? Relay info to cerebellar nuclei and cortex
Superior olives are located in the ____. It is ____ in function Pons, Auditory in function
Several highly complex fibers of the matrix that run in all directions: net like Reticular formations
Which fibers decussate in the pyramids? Lateral corticospinal fibers
The medial lemniscus accepts input from ___ gracilis and cunaetus tracts via _____. It terminates in the ____. 1. Oposite side 2. internal arcuate fibers 3. Thalamus
Which CN nuclei are located in the MO? 5,7,8,9,10,11,12
Spinal trigeminal nucleus receives ___ and ___ reception from the face via which nerves? Thermal and pain from CN 5,7,9,10
Describe the spinal trigeminal tract 1. Pain and heat enter through the CNs to spinotrigeminal tract. 2. Fibers then synapse with spinotrigeminal nuclei 3. Fibers then ascend up the ventral trigeminthalmic tract up to thalamus
Tract functioning in chewing, swallowing, moves eyes togeher and maintains equilibrium edial longitudinal fasiculus
Stroke syndrome that may or may not be related to chiropractic adjustments. Occlusion or dissection of ___ arteries. Lateral medulary stroke syndrome aka Wallenbergs stroke syndrome : Vertibobasilar arteries
Classic symptoms of wallenberg's stroke symptoms Loss of pain and thermal senstion on one side of the face oposite side of body
Pons means ___. It's function is what? Bridge Important relay center for fibers going into the cerebellum
Pons is an important control center for ____ AND ____ via which tract? Respiratory and cardiovascular via the reticulospinal tract
The Locus Ceruceus functions in _____ sleep regulation
Pons is ___ to cerebellum, inferior to ____ and superior to ____ 1. Ventral 2. Midbrain 3. MO
What forms the floor of the 4th ventrical? Rhomboid fossa
Cn ___ originates on the lateral aspect of the pons 5
Two subdivision of pons Tegmentum and basilar
The basilar division of the pons contain (3) 1. Pyramidal tract fibers (corticopsinal) 2. Medial Lemniscus 3. Pontine nuclei
The ventral bulge of the pons in created by the ___. What do they do? Pontine nuclei Relay input from cerebral cortex to cerebellum via middle cerebella peduncle
The tegmentum division of the pons contains (4) 1. Lateral lemniscus 2. CN nuclei 5, 6, 7, 8 3. Many tracts 4. Pontine reticular formations
Two nuclei associated with lateral lemniscus Cochlear and superior olive
Lateral lemniscu is an ____ passageway Auditory
Created by: LrB