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CNS mash exam 2

CNS mash exam 2 excluding cranial nerves and nuclei

QuestionAnswer
Name the region of the cerebellum described: Includes fastigial nucleus Vestibulocerebellum, Spinocerbellum,
Name the region of the cerebellum described: Afferents include the dorsal spinocerebellar tract Spinocerebellum
Name the region of the cerebellum described: Is phylogenically the oldest portion Vestibulocerebellum
Name the region of the cerebellum described: Is most important region for fine motor control Pontocerebellum
Name the region of the cerebellum described: Efferent terminate on the red nucleas Spinocerbellum, Pontocerebellum
Name the region of the cerebellum described: In general, effects muscles on the same side of the body Vestibulocerebellum, Spinocerbellum, Pontocerebellum
Name the region of the cerebellum described: Influences the motor cortices Spinocerbellum, Pontocerebellum
Name the region of the cerebellum described: Pathology likely results in truncal ataxia and nystagnius Vestibulocerebellum
Name the region of the cerebellum described: Especially important in large motor stereotyped movements Spinocerbellum
Name the region of the cerebellum described: Influences lower motor neurons by thee reticulospinal tracts Vestibulocerebellum, Spinocerbellum
Name the region of the cerebellum described: Receieves afferents from nucleus dorsalis Spinocerbellum
Name the region of the cerebellum described: Recieves the vast majority of its input indirectly from the cerebral cortex Pontocerebellum
Name the region of the cerebellum described: Afferents include cuneocerebellar fibers Spinocerbellum
Name the region of the cerebellum described: Deep nucleus receives inhibitory afferents from the cortex/purkinje cells Vestibulocerebellum, Spinocerbellum, Pontocerebellum
Name the region of the cerebellum described: Efferent fibers decussate in the superios cerebellar peduncle Spinocerbellum, Pontocerebellum
Name the region of the cerebellum described: Affects the lower motor neurons by the pontine and medullary reticulospinal tracts Vestibulocerebellum, Spinocerbellum
Name the region of the cerebellum described: Function could be affected by a lesion in the internal capsule Pontocerebellum
Name the region of the cerebellum described: AFfects the lower motor neurons through the rubrospinal tract Spinocerbellum, Pontocerebellum
Name the region of the cerebellum described: Granule cells of the corte recieve mossy fibers Vestibulocerebellum, Spinocerbellum, Pontocerebellum
Name the region of the cerebellum described: Includes the dentate nucleus Pontocerebellum
Name the region of the cerebellum described: Includes the interposed nucleus (Globose/Emboliform) Spinocerbellum
Name the region of the cerebellum described: Affects the lower motor neurons by the corticospinal tract Spinocerbellum, Pontocerebellum
Name the region of the cerebellum described: Affects the lowermotor neurons by the lateral vestibulospinal tract Vestibulocerebellum, Spinocerbellum
Name the region of the cerebellum described: Disturbances may result in speech problems Pontocerebellum
Name the region of the cerebellum described: Recieves afferents from the lateral cuneate nucleus Spinocerbellum
Name the region of the cerebellum described: Affects lower motor neurons be the medial longitudinal fasciculus. Vestibulocerebellum, Spinocerbellum
Name the region of the cerebellum described: Roughly equivalent to the archicerebellum Vestibulocerebellum
Name the region of the cerebellum described: Receives climbing fibers from the inferior olivary nucleus Pontocerebellum
Name the region of the cerebellum described: Receives afferents directly from the maculae Vestibulocerebellum
Name the region of the cerebellum described: Receives afferents from the mesencephalic nucleus Spinocerbellum
Name the region of the cerebellum described: Largely composed of neocerebellum Pontocerebellum
Name the region of the cerebellum described: Receives vast majority of afferents from reticular nuclei of brainstem Pontocerebellum
Name the region of the cerebellum described: Purkinje fibers of the cerebellar cortex terminate directly on brainstem nuclei Vestibulocerebellum
Name the region of the cerebellum described: Receives climbing fibers Pontocerebellum
Name the motor condition: Hyperkinetic autosomal dominant genetic disease is characterized by widespread destruction of the basal nuclei and the cerebrum. Huntington's chorea
Name the motor condition: Hyperkinetic disease characterized by slow movements, increased muscles tone, loss of facial expression, delayed initiation, and pill rolling tremor Parkinson's disease
Name the motor condition: Characterized by truncal ataxia and nystagmus Flocculonodular Syndrome
Name the motor condition: Violent involuntary flailing movements resulting from a lesion in contralateral subthalamic nucleus Hemiballismus
Name the motor condition: Involuntary movements of the tongue and face induced by antipsychotic drugs Tardive Dyskinesia
Name the motor condition: May develop following rheumatic fever Syndenham's Chorea
Name the motor condition: Characterized by increased muscle tone and decreased voluntary movements Hypokinesia aka Parkinson's disease
Name the motor condition: A decrease in olfactory sense may precede diagnosis by up to 4 Parkinson's Disease
The ganglion axon from the retina terminate on _____________ for eye movement Superior colliculus
The ganglion axon from the retina terminate on _____________ in the pathway for pupillary dilation in response to light. Hypothalamus
The ganglion axon from the retina terminate on _____________ in the pathway for the pupillary light response. (Constriction) Superior colliculus
The ganglion axon from the retina terminate on _____________ in the pathway for conscious visual awareness. Lateral geniculate
The ganglion axon from the retina receive afferent from _____________ in the retina. the bipolar neurons
Afferents to the right dentate nucleus: excitatory stimuli left inferior olivary nucleus and left arcuate nuclei by the inferior cerebellar peduncle
Afferents to the right dentate nucleus: excitatory stimuli left pontine nuclei by the middle cerebellar peduncle
Afferents to the right dentate nucleus: inhibitory stimuli purkinje cells located in the pontocerebellum cortex
Ganglion cell axons terminate on____________ in the pathway for vision Lateral geniculate
Ganglion cell axons terminate on____________ in the pathway for pupillary dilation. Hypothalamus
Ganglion cell axons terminate on____________ in the pathway for pupillary constriction. Superior colliculus
Ganglion cell axons terminate on____________ for endocrine responses to light. Hypothalamus
In general, purkinje cell axons of the cerebellum terminate on the ______ where they have______. deep nuclei, inhibitory response.
Vestibular nuclei project to the extraocular nuclei by the Medial longitudinal fasciculus
Vestibular nuclei project to the _________ for conscious awareness. ventral posterior medial nucleus of the thalamus
Deafness in the right ear is most likely caused by a problem in the outer right ear, outside the CNS
Receptive aphasia may result from an occlusion in the Left middle cerebral artery
As an example of descending auditory fibers, the ___________ projects to the Organ of Corti. superior olivary nucleus
In the basic auditory pathway, the medial geniculate recieves info from the from the ______________ and projects to area ____. right and left inferior colli, area 41 and 42
Which two descending motor tracts, terminating only in the cervical cord are important for coordination of head and eye position? Medial vestibulospinal tract, tectospinal tract
Which sensory epithelium senses linear acceleration? Maculae
In the basic auditory pathwy, the right inferior colliculus recieves afferents from the _________ and sends info to the ____________. right and left ventral and dorsal cochlear nuclei, right medial geniculate
Which accessory auditory nucleus is required for the ability to discern distance and direction? Superior olivary nucleus
What nuclei forms the paleostriatum? Globus pallidus
Pathology which results in Parkinson's disease: Substantia nigra
Name the descending tract by which the vestibulocerebellum affects the extraocular nuclei: Medial longitudinal fasciculus
Name the descending tract by which the vestibulocerebellum affects the LMN of the lumbosacral spinal cord: Lateral Vestibulospinal tract
A person has a vascular lesion which gives signs and symptoms of both basal nuclear and pontocerebellar dysfunctions. Give the most likely location of the lesion: Anterior limb of internal capsule, basal peduncle, basal pons
Diziness and deafness in the right ear is damage to? Right vestibulocochlear nerve
What sensory epithelium responds to rotary movements of the head? Crista Ampularis
In general, info from the macula projects to the ________ portion of area ___. posterior, 17
Which of the following is characteristic of disturbances in the vestibular system? Truncal Ataxia and Nystagmus
In the basic auditory pathway, the right inferior colliculus projects to the: right medial geniculate
Which one is true of the fovea centralis? Is the area of highest visual acuity, contains only cones
What nucleus lies adjacent to the anterior limb of the internal capsule? Caudate
The left lateral lemniscus is formed from the fibers originating on: dorsal and ventral cochlear nuclei
Two cell layers that separate in a detached retina: Pigment and photoreceptor layers
Why is the fovea centralis the area of highest visual acuity? Only cones with no vessels, no convergence
In the basic auditory pathway for conscious awareness, the right cochlear nuclei project to the right and left inferior colliculus
A person suffering unilateral hearing loss due to vascular lesion, also includes deficits in general sensation to head and body. Which artery is affected? Posterios inferior cerebral artery
The basilar membrane in the apical portion of the organ of corti vibrates maximally to: low frequencies
The lamallae of rods contain: Rhodopsin
Which reticular nuclei are required for conjugate eye movement? gaze centers= Abducens and Occulomotor
How do eyes move with stimulation of right area 8? To the left
A person develops a dramatic increase in appetite with weight gain and changes in behavior and rage. What is the site of the lesion? Hypothalamus
Dis location of the uncus may occlude: posterior cerebral artery
In general, olfactory ares send info to: limbic areas
Created by: dserlandson