Term
| which cranial nerves do not originate in the brain stem |
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Definition
|
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Term
| Generally sensory nerve nuclei tend to e located where |
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Definition
|
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Term
| motor nuclei tend to be located where |
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Definition
|
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Term
| if a cranial nerve has mixed sensory and motor fibers, what does in mean in terms of their nucleus of origin |
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Definition
| it has more than one, at least one sensory, and one motor |
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Term
| sometimes more than one nerve will orginate from a single nucleus, such as what |
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Definition
| sense of taste is spread across at least 2 nerves but merges into a single nucleus |
|
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Term
| edinger westphal nucleus is associated with what CN |
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Definition
|
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Term
| what are the pure motor CN? |
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Definition
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Term
| CN III, CN IV, CN VI innervate what |
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Definition
|
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Term
| CN III innervates what eye muscles (4) |
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Definition
| superior recti, inferior recti, medial rectus, inferior oblique |
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Term
| damage to CN III would present as what |
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Definition
|
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Term
| CN III fibers exit ventrally just inside what structure |
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Definition
|
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Term
| nucleus that is the source of parasympathetics to the eye |
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Definition
| edinger-westphal nucleus/accesory oculomotor |
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Term
| the edinger-westphal nucleus/accessory oculomotor is located medial to what structure |
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Definition
|
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Term
| damaging these types of fibers that also travel in CN III will produce a dilated pupil |
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Definition
|
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Term
| what type of drops are given to you by the doctor to inhibit the parasympathetic system and induce pupil dilation |
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Definition
| aceycholine antagonist (blocker) |
|
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Term
| pupil dilation prevents this lens reflex |
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Definition
| accomodation (focus on close objects) |
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Term
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Definition
|
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Term
| CN IV unique property 1: exits where |
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Definition
|
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Term
| CN IV unique property 2: how does it travel when it exits? where? |
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Definition
| crosses on the way out. fibers cross over each other in the roof of the 4th ventricle |
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Term
| CN IV unique property 2: how does it travel when it exits? where? |
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Definition
| crosses on the way out. fibers cross over each other in the roof of the 4th ventricle |
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Term
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Definition
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Term
| facial nerve fibers travel dorsally to what structure |
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Definition
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Term
| facial nerve fibers travel dorsally to the floor of the 4th ventricle, loop over what |
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Definition
|
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Term
| facial nerve fibers travel dorsally to the floor of the 4th ventricle, loop over the abducens nucleus, and dive back ventrally into what |
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Definition
|
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Term
| all of the muscles of facial expression are innervated by what |
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Definition
|
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Term
| why is the facial nerve considered a mixed cranial nerve |
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Definition
| carries sensation of taste |
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Term
| the facial nerve also carries what types of fibers to the salivary glands |
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Definition
|
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Term
| where do facial nerves become myelinated |
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Definition
| after looping around the abducens nucleus |
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Term
| where are facial nerve fibers not myelinated |
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Definition
| from the facial nucleus prior to looping around the abducens nucleus |
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Term
| the facial nerve carries taste sensation for what part of the tongue |
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Definition
|
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Term
| touch and pain sensation from the tongue is via what CN |
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Definition
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Term
| motor to the tongue is supplied by what CN |
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Definition
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Term
| regardless of origin, taste fibers enter the ________ _______ of the medulla |
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Definition
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Term
| regardless of their origin, taste fibers enter the solitary tract of the ______ |
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Definition
|
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Term
| taste fibers enter the solitary tract of the medulla and synapse in the surrounding.... |
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Definition
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Term
| taste and touch sensation from the back of the throat are carried by what CN |
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Definition
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Term
| Taste sensation from the glossopharyngeal nerve synapse where? |
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Definition
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Term
| touch sensation of CN IX can lead to what reflex |
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Definition
|
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Term
| CN that emerges from the medulla as the most rostral of a series of rootlets that emerge between the olive and ICP |
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Definition
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Term
| Motor impulses from the glossopharyngeal nerve descend in what tract |
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Definition
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Term
| CN IX motor impulses descend in the corticobulbar tract through what structure |
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Definition
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Term
| CN IX motor impulses descend in the corticobulbar tract through the internal capsule to synapse ______ on LMN in the nucleus ambiguus |
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Definition
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Term
| cn IX motor impulses descend in the corticobulbar tract through the internal capsule to synapse bilaterally on what types of motor neurons in the nucleus ambiguus |
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Definition
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Term
| cn IX motor impulses descend in the corticobulbar tract through the internal capsule to synapse bilaterally on lower motor neurons in the _______ _______ |
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Definition
|
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Term
| cn IX motor: axons from the LMN in CN IX then innervate what muscle |
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Definition
|
|
Term
| action of the stylopharyngeus muscle |
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Definition
| elevates the pharynx during swallowing and speech |
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Term
| cn IX motor: stimuli from the hypothalamus such as dry mouth for fear, and salivation in response to odors descend to what? |
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Definition
| inferior salivatory nucleus |
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Term
| CN IX motor: these fibers located in the inferior salivatory gland join other components of CN IX and exit the medulla (2 words) |
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Definition
| preganglionic parasympathetic |
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Term
| CN IX motor: preganglionic parasympathetic fibres located in the inferior salivatory nucleus join other components of CN IX and exit what? |
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Definition
|
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Term
| CN IX motor: the tympanic nerve leaves what |
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Definition
|
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Term
| CN IX motor: tympanic nerve leaves the inferior ganglion and travels to what |
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Definition
|
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Term
| CN IX motor: tympanic nerve supplies sensation to what structures (3) |
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Definition
| mucous membrane of the middle ear, auditory tube, mastoid |
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Term
| CN IX motor: tympanic nerve gives off this nerve that contains actual visceral motor fibers |
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Definition
|
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Term
| CN IX motor: the lesser petrosal nerve synapses where |
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Definition
|
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Term
| CN IX motor: from the otic ganglion these fibers join the auriculo-temporal nerve (2 words) |
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Definition
| postganglionic parasymapthetic |
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Term
| CN IX motor: from the otic ganglion postganglionic parasympathetic fibers join what nerve |
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Definition
|
|
Term
| auriculo-temporal nerve is a branch of what CN |
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Definition
| It is the the 3rd branch of CN V |
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|
Term
| CN IX motor: from the otic ganglion postganglionic parasympathetic fibres join the auriculo-temporal nerve to supply these fibers to the parotid gland |
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Definition
|
|
Term
| CN IX motor: from the otic ganglion postganglionic parasympathetic fibers join the auriculo-temporal nerve to supply secretomotor fibers to what (2) |
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Definition
|
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Term
| CN IX Visceral Afferents: Chemoreceptors detect what |
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Definition
|
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Term
| CN IX Visceral Afferents: chemoreceptors from what structure sends information to the inferior ganglion via the carotid nerve |
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Definition
|
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Term
| CN IX Visceral Afferents: chemoreceptors from the carotidy body send information to what structure via the carotid nerve |
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Definition
| inferior ganglion of glossopharyngeal nerve |
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|
Term
| CN IX Visceral Afferents: chemoreceptors from the carotid body send information to the inferior ganglion of glossopharyngeal nerve via what |
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Definition
|
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Term
| CN IX Visceral Afferents: baroreceptors in what structure send information to the inferior ganglion of glossopharyngeal nerve via the carotid nerve |
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Definition
|
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Term
| CN IX Visceral Afferents: baroreceptors in the carotid sinus send information to what structure via the carotid nerve |
|
Definition
| inferior ganglion of glossopharyngeal nerve |
|
|
Term
| CN IX Visceral Afferents: baroreceptors in the carotid sinus send information to the inferior ganglion via what |
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Definition
|
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Term
| CN IX Visceral Afferents: information from the inferior ganglion, what kind of processes travel to the nucleus solitarius |
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Definition
|
|
Term
| CN IX Visceral Afferents: central processes from the inferior ganglion of the glossopharyngeal nerve travel to what via the tractus solitarius |
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Definition
|
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Term
| CN IX Visceral Afferents: central processes from the inferior ganglion of glossopharyngeal nerve travel to the nucleus solitarius via what |
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Definition
|
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Term
| CN IX Visceral Afferents: from the nucleus solitarius connections are made with what 2 structures |
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Definition
| reticular formation, hypothalamus |
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Term
| CN IX Visceral Afferents: from the nucleus solitarius, connections are made with the reticular formation and hypothalamus for the appropriate reflex control of what 3 processes? |
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Definition
| respiration, BP, cardiac output |
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|
Term
| CN IX General Sensation: Neurons that carry pain and temperature from skin part of external ear, inner surface of tympanic membrane, posterior 1/3 of tongue, and upper pharynx have their cell bodies in either of these 2 structures |
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Definition
| superior glossopharyngeal ganglia, inferior glossopharyngeal ganglia |
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|
Term
| CN IX General Sensation: central processes from the superior/inferior glossopharyngeal ganglia descend in what tract |
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Definition
|
|
Term
| CN IX General Sensation: central processes from the superior/inferior glossopharyngeal ganglia descend in the spinal tract of V and synapse in the caudal part of what |
|
Definition
|
|
Term
| CN IX General Sensation: second order neurons from the spinal nucleus of V decussate and ascend to what |
|
Definition
| Ventral Posteromedial Thalamus |
|
|
Term
| CN IX General Sensation: 3rd order neurons from the ventral posteromedial thalamic nucleus terminate where? |
|
Definition
| head region of the post central gyrus |
|
|
Term
| CN IX General Sensation: the pathway for general sensation is suspected for what 2 sensations |
|
Definition
|
|
Term
| CN IX General Sensation: this pathway is suspected for touch/pressure and is important in what reflex |
|
Definition
|
|
Term
| CN IX Special Sensation: taste sensation from the posterior 1/3 of the tongue is carried to what |
|
Definition
| inferior glossopharyngeal ganglion |
|
|
Term
| CN IX Special Sensation: central processes from the inferior glossopharyngeal ganglion enter what |
|
Definition
|
|
Term
| CN IX Special Sensation: central processes from the inferior glossopharyngeal ganglion ascend in what tract |
|
Definition
|
|
Term
| CN IX Special Sensation: central processes from the inferior glossopharyngeal ganglion enter the medulla and ascend in the tractus solitarius to synapse where |
|
Definition
|
|
Term
| CN IX Special Sensation: from the nucleus solitarius axons then ascend how to the VPM thalami |
|
Definition
|
|
Term
| CN IX Special Sensation: from the nucleus solitarius axons then ascend bilaterally to what |
|
Definition
|
|
Term
| CN IX Special Sensation: third order fibers from the VPM nuclei terminate where |
|
Definition
| head region of the post central gyrus |
|
|
Term
| CN IX Special Sensation: where is taste percieved |
|
Definition
| head region of the post central gyrus |
|
|
Term
| CN X: how far does CN X wander |
|
Definition
| from brain stem to splenic flexure of colon |
|
|
Term
| CN X: exits from the medulla as several rootlets that converge into 2 roots that exit the skull via what |
|
Definition
|
|
Term
| CN X: motor nucleus for CN X |
|
Definition
|
|
Term
| CN X: cells in the nucleus ambiguus innervate what type of muscle throughout the neck and thorax |
|
Definition
|
|
Term
| CN X: cells in the nucleus ambiguus innervate striated muscle throughout where |
|
Definition
|
|
Term
| CN X: cells in the nucleus ambiguus innervate these specific muscle groups (3) |
|
Definition
| muscles of the palate, muscles of pharynx, muscles of the larynx |
|
|
Term
| CN X: the nucleus ambiguus provides parasympathetic innervation to what |
|
Definition
|
|
Term
| CN X: problems with the nucleus ambiguus can show up as what 2 S/S |
|
Definition
| hoarseness, deviated uvula |
|
|
Term
| CN X: when you open up and say "AHHHHH" what is the role of the vagus |
|
Definition
| vagus elevates the soft palate |
|
|
Term
| CN X: if there is damage to CN X which way will teh uvula deviate? |
|
Definition
| deviated to the unaffected side |
|
|
Term
| CN X: secretomotor parasympathetic nucleus of CN X |
|
Definition
| dorsal nucleus of the vagus |
|
|
Term
| CN X: secretomotor means that it primarily stimulates what |
|
Definition
|
|
Term
| CN X: dorsal nucleus of the vagus stimulates the glands of these 4 areas |
|
Definition
| pharynx, lungs, gut, gastric glands in the stomach |
|
|
Term
| CN X: sensory nucleus of the vagus |
|
Definition
|
|
Term
| CN X: solitary nucleus recieves what information and from where |
|
Definition
| taste information, sensation, from the back of the throat, and also visceral sensation |
|
|
Term
| CN X: visceral sensation recieved by the solitary nucleus can include what (4) |
|
Definition
| blood pressure receptors, blood-oxygen receptors, sensation, stretch receptors |
|
|
Term
| CN X: visceral sensation recieved by the solitary nucleus includes general sensation from what areas |
|
Definition
|
|
Term
| CN X: visceral sensation recieved by the solitary nucleus includes stretch receptors from what area |
|
Definition
|
|
Term
| CN XI motor: where are the lower motor neuron cell bodies of CN XI located |
|
Definition
|
|
Term
| CN XI motor: motor information from CN XI descends in what tract |
|
Definition
| lateral corticospinal tract |
|
|
Term
| CN XI motor : motor information from CN XI descends in the LSCT and synapses where |
|
Definition
|
|
Term
| CN XI: where is the accessory nucleus located |
|
Definition
| lateral part of the anterior gray column of the upper 5-6 cervical segments |
|
|
Term
| CN XI motor: from the accessory nucleus, fibers emerge from the spinal cord as a series of rootlets to form what |
|
Definition
|
|
Term
| CN XI motor: axons from the accessory portion of CN XI ascend into the cranium via what |
|
Definition
|
|
Term
| CN XI motor: axons of the accessory division of CN XI ascend via the foramen magnum and exit the cranium via what |
|
Definition
|
|
Term
| CN XI motor: accessory spinal nerve fibers exit the jugular foramen to innervate what 2 muscles |
|
Definition
|
|
Term
| CN XI motor: CN XI joins with what other CN |
|
Definition
|
|
Term
| CN XII: what tongue muscle does CN XII not innervate |
|
Definition
| extrinsic muscle palatoglossus |
|
|
Term
| what innervates the extrinsic muscle palatoglossus of the tongue |
|
Definition
|
|
Term
| CN XII: corticobulbar fibers synapse predeominately to which hypoglossal nucleus |
|
Definition
|
|
Term
| CN XII: sensory fibers for taste and tactile stimuli from which nuclei (2) also feed into the hypoglossal nucleus |
|
Definition
| nucleus solitarius, sensory trigeminal nucleus |
|
|
Term
| CN XII: sensory information for taste and tactile stimuli from the nucleus solitarius and from the sensory trigemnical nucleus feed into the hypoglossal nucleus thereby resulting in these (3) reflexes |
|
Definition
| swallowing, sucking, chewing |
|
|
Term
| CN XII: what type of nerve is CN XII |
|
Definition
|
|
Term
| CN XII: what would you ask a patient to do if you suspected a problem with the hypoglossal nerve |
|
Definition
| ask the ptnt to stick their tongue out, failure to do so would indicate a CN XII problem |
|
|
Term
| CN XII: what do the tongue muscles actually do to the tongue |
|
Definition
|
|
Term
| CN XII: damage to UMN may result in what S/S |
|
Definition
| fasciculation of the tongue without atrophy of the tongue |
|
|
Term
| CN XII: damage to UMN may result in fasciulation of the tongue without atrophy of the tongue muscles on which side |
|
Definition
|
|
Term
| CN XII: damage to an UMN would result in what S/S |
|
Definition
| tongue deviates to opposite side of lesion |
|
|
Term
| CN XII: damage to the LMN results in what S/S |
|
Definition
| flaccid paralysis of teh tongue with atrophy of tongue muscles |
|
|
Term
| CN XII: damage to the LMN results in flaccid paralysis of the tongue with atrophy of tongue muscles on what side |
|
Definition
|
|
Term
| CN XII: damage to the LMN would result in tongue deviation to what side |
|
Definition
|
|
