Questions
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| What are Spinal Tracts? | vertical bundles (fasciculi) of Functionally Similar Nerves in WHITE matter
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| What are Ascending Tracts? | SENSORY pathways to various centers in the brain
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| Name the Ascending Tract(s) located Dorsally. | Fasciculus Gracilis, Fasciculus Cuneatus, Spinocerebellar
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| At which point do Dorsal Ascending tracts "crossover"? | at the Medulla
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| What is Decussation? | the point at which tracts crossover
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| What is the Fasciculus Gracilis responsible for? | Light Touch + Muscle Position Sense in LOWER body
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| What does the Fasciculus Cuneatus control? | Light Touch + Muscle Position Sense in UPPER body
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| What is the Spinocerebellar spinal tract responsible for? | Subconscious Muscles Sense to the Cerebellum --> Posture Control
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| Damage to a RIGHT Dorsal Ascending tract would result in what and why? | SENSORY loss to the RIGHT side of the body - crossover at the Medulla
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| Which Ascending tract(s) crossover at the level of ENTRY? | Lateral and Anterior
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| The Lateral Ascending Spinothalamic spinal tract is responsible for which Sensations? | Pain and Temperature
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| The Anterior Ascending Spinothalamic spinal tract is responsible for which Sensations? | CRUDE Touch and Pressure
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| Damage to the RIGHT Lateral or Anterior Ascending spinal tract would result in what and why? | SENSORY loss on the LEFT side of the body - Crossover at level of ENTRY
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| How many categories of Ascending tracts are there? | 3 - Dorsal, Lateral, Anterior
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| What are Descending Spinal Tracts? | MOTOR pathways FROM the Cerebral Cortex and/or Cerebellum
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| What are the types of Descending tracts? | Pyramidal (crossover AT Medulla forming Pyramids) and Extrapyramidal (crossover ABOVE Medulla)
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| Name a Pyramidal Descending spinal tract and its function. | Corticospinal - FINE voluntary movement
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| What does the Extrapyramidal Spinal Tract control? | INVOLUNTARY influence on Coordination and Balance
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Created by:
kristel387
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