This quiz will test your knowledge of the many nerve tracts and reflexes learned in Neuroscience Summer Course 2010. You will need to know their function, their pathways, and the symptoms displayed when pathologies interupt these tracts or reflexes.
True
False
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True
False
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True
False
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Spinalthalamic
Anterior (ventral) Corticospinal
Rubriospinal
Lateral Corticospinal
C & D
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Ventral Root
Dorsal Root
Dorsal Root Ganglion
It does not exit the spinal cord
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The Dorsal Column Medial Lemniscus
The Spinothalamic
The Rubrospinal
The Lateral Corticospinal
A & D
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True
False
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They travel through the anterior funiculus.
Their function includes limb flexion and fine movements
Includes the Lateral and Anterior Corticospinal Tracts
Terminates at the Anterior Funiculus
Affects mostly Extensor muslces
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Damage to Lower Motor Neurons that occured in gestation
A hemisection spinal cord lesion caused by a genetic mutation
Bilateral symmetric malformation or swelling in the motor cortex
Loss of Dopamine in the Basal Ganglia
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Trunk Postural Adjustments
Neck Postural Adjustments
Controls eye movements
Discrimintive Touch
Fast Pain
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The STNR presents in typcial development until about 8-11 months of post-natal life
The STNR is a type of spinal cord reflex
The STNR is a precusor to crawling
In the STNR if the head is flexed, the arms flex and legs extend.
In the STNR if the head is extended, the arms extend & legs flex
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This polysynaptic reflex starts with the lengthening of a muscle.
The lengthening of the muscle causes the Ia and II sensory axons to fire.
This ultimately results in the inhibition of the antagonist.
The Ia excites motor neurons (Gamma) to the same muscle, causing a contraction that opposes lengthening
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Paralysis in his left lower extremeties
Paralysis in his right lower extremeties
Loss of pain and temperature sensation on his left side below the lesion
Loss of discriminative touch on his left side below the lesion
Loss of discriminative touch on his right side below the lesion
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Lateral Corticospinal
Medial Recticulospinal
Corticobulbar
Lateral Recticulospinal
Vestibulospinal
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