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NWHSU Mash CNS2audvi

NWHSU Mash CNS Test 2 auditory and visual

QuestionAnswer
name the nuclei described: fibers terminate on inferior colliculus dorsal and ventral cochlear nuclei
What sensory epithelium responds to rotary movements of the head crista ampullaris
in the basic auditory pathway the right inferior colliculus receives afferents from _________ left and right dorsal and ventral cochlear nerve
deafness in the left ear most likely results from a problem located where? in the left periphery
in the basic auditory pathway, the left anterior and posterior cochlear nuclei terminate on the ________ left and right inferior colliculus
which sensory epithelium senses linear acceleration and deceleration macula sacculi
what is the basis of organization in area 41, 42 tonotopic/frequency
Describe the deficit resulting from damage to the left auditory association cortex receptive aphasia; you can hear incoming words but you cant put meaning to it
the left lateral lemniscus is formed from fibers originating on ________ nuclei right and left dorsal and ventral cochlear nuclei
which accessory auditory nucleus is required for the ability to discern distance and direction superior olivary nucleus
which accessory auditory nucleus terminates on the organ of corti superior olive
name the nuclei described: receive fibers from pretectal nuclei in the pupillary light response Edinger-westphal
in the pathway for pupillary dilation ganglion cells terminate on hypothalamus
blindness in the left eye is most likely due to a lesion located ________ in the left optic nerve
ganglion cells of the retina terminate on _______ in the pathway for conscious visual awareness lateral geniculate
in the pathway for vision ganglion cells terminate on lateral geniculate
where is the cortical representation of the left macular fields left posterior, superior and inferior calcarine gyri
give two reasons why the fovea centralis is the area of highest visual acuity no convergence; mostly cones
A person has visual blindness in the diagram below (lateral halfs of left and right), where is the visual pathway most likely occluded optic chiasm
which two layers are seperated in a detached retina pigmented layer and photoreceptive layer
A person has visual blindness in the diagram below (lateral halfs of left and right), what is the likely cause of this interruption pituitary tumor
in general, information from the macula projects to the _____ portion of area 17 posterior
in the pathway for pupillary constriction ganglion cell axons terminate on superior colliculi
Which area of retina contributes to the very highest visual acuity fovea centralis
The apical (opposite of the basal)end of the basilar membrane vibrates maximally to low frequency
which portion of the visual pathway is most likely damaged (diagram shows lower right quadrant of both circles darkened)options are L/R optic tract, L/R temporal loop, LR straight fibers L straight fibers
Ganglion cells of the retina: receive afferents from the ____neurons in the retina bipolar
Ganglion cells of the retina: terminate on the _____for eye movement superior colliculus for eye movement; lateral geniculate nucleus for visual perception; pretectum pupillary light reflex; suprachiasmatic nucleus of the hypothalamus for diurnal rhythms and hormonal changes.
Consider an interruption of the left parietal (straight ) geniculocalcarine fibers. Darkent the areas of the diagram representing the areas of visual blindness ?right lower quadrant darkened
Which retiuclar nuclei are required for conjugate eye movement gaze centers pontine
how do the eyes move with stimulation of right area 8 opposite direction to the stimuli
in general, olfactory areas send information to the ____areas limbic
The ___is a large group of fibers connecting the hippocampal formation with the maxillary nucleus and is part of the ____system fornix, limbic
the lamellae of rods contain rhodopsin
what muscles open and close eye lids levator palpebrae superioris mm, orbicularis oculi mm
a vascular lesion results in unilateral hearing loss and deficits in general sensation to the head and body. which artery is involved pica (posterior inferior cerebellar artery)
a person has visual blindness in the darkened areas (right half of both), what fibers of the visual pathway are interrupted left optic tract
a person has visual blindness in the darkened area below (left whole): location of lesion, if light shone in L eye, right respond? if light shone in R eye, left respond? L eye, No, Yes
consider an interruption of left parietal (straight) fibers, darken VISUAL blindness darken lower right quadrant
what is the function of the pigment cells of the retina absorb light, decrease light scattering
Created by: AnatomyMash on 2013-06-21



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