NWHSU NOT MASH CNS 1 lesion questions
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
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| Bilateral segmental loss of pain is the result of damage to what region? | central canal of spinal cord
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| Bilateral segmental loss of pain is the result of damage to what tracts? | crossing fibers of the lateral spinothalamic on each side
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| Unilateral loss of pain is the result of damage to | substantia gelatinosa or dorsal root ganglia or lateral funiculus
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| Unilateral loss of conscious proprioception but not pain is the result of damage to | dorsal column
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| No loss of conscious proprioception or pain is the result of damage to | ventral horn
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| What tract carries IPSILATERAL information about fine touch, pressure, vibration sensation and concious proprioception at T6 and below | fasciculus gracilis
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| What tract carries IPSILATERAL information about fine touch, pressure, vibration sensation and concious proprioception at T6 and above | fasciculus cuneatus
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| A lesion of what tract would affect gait | Dorsal spinocerebellar
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| What tract transmits IPSIlateral signals from muscle spindles and Golgi tendon organs in lower limbs | Dorsal spinocerebellar
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| What tract transmits IPSIlateral signals from muscle spindles and Golgi tendon organs in upper limbs | Cuneocerebellar
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| What tract transmits CONTRAlateral signals from only Golgi tendon organs in lower limbs | Ventral spinocerebellar
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| What tract transmits IPSIlateral signals from only Golgi tendon organs in upper limbs | Rostral spinocerebellar
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| What tract transmits CONTRAlateral signals for discriminative pain, temperature, and simple tactile sensations | NeoSpinothalamic - Direct
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| What tract transmits arousal emotional components of pain | Indirect: Paleospinothalamic, Spinoreticular, Spinomesencephalic
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| What tract controls voluntary movements of both contralateral upper and lower limbs | Corticospinal tract
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| What tract facilitates CONTRAlateral flexor motor neurons and inhibit extensor motor neurons | Rubrospinal tract
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| What tract facilitates IPSIlateral extensor motor neurons and inhibit flexor motor neurons | Lateral vestibulospinal
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| What tract directs head movements in response to visual and auditory stimuli | Tectospinal
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| What tract directs head movements in response to posture | Medial vestibulospinal
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