Results and stats for "Spinal pathways"
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Average score: 50.5
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Related quizzes
Most correctly guessed answers
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At the cervical level of the spinal cord, the axons forming the dorsal column are divided into 2 bundles: the medially situated [...] and the laterally situated [...].
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gracile fasciculus, cuneate fasciculus
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100.0%
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Which ascending pathway transmits information about fine discriminative touch?
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Dorsal column-medial lemniscus
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100.0%
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Which ascending pathways transmit information about proprioception (2)?
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Dorsal column-medial lemniscus
Spinocerebellar
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100.0%
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Which ascending pathway transmits information about pain?
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Spinothalamic
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100.0%
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Which ascending pathway transmits information about temperature?
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Spinothalamic
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100.0%
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Which ascending pathways transmit information about crude touch (2)?
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Spinothalamic and spinocerebellar
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100.0%
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Which kind of information does the dorsal column-medial lemniscus ascending pathway transmit (3)?
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Fine touch, vibration, and proprioception
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100.0%
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Which kind of information does the spinothalamic ascending pathway transmit (3)?
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Fast pain, temperature, and crude touch
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100.0%
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Which kind of information does the spinocerebellar ascending pathway transmit (2)?
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Proprioception and touch
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100.0%
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At which level of the CNS do sensory neurons which ascend the dorsal column-medial lemniscus pathway decussate?
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Medulla oblongata
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100.0%
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The first synapse of the spinothalamic pathway is in the [...] of the [...].
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dorsal horn, spinal cord
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100.0%
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The third synapse of the spinothalamic pathway is in the [...].
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somatosensory cortex
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100.0%
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At which level of the CNS do sensory neurons which ascend the spinothalamic pathway decussate?
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Spinal cord
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100.0%
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The second synapse of the dorsal column-medial lemniscus pathway is in the [...] of the [...].
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VPL, thalamus
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100.0%
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The third synapse of the dorsal column-medial lemniscus pathway is in the [...].
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somato-sensory cortex
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100.0%
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The cuneate fasciculus of the dorsal column-medial lemniscus pathway carries sensory information from which part of the body?
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Upper body above T6
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100.0%
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How many synapses are there in the dorsal column-medial lemniscus pathway?
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3
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100.0%
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How many synapses are there in the spinothalamic pathway?
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3
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100.0%
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How many synapses are there in the spinocerebellar pathway?
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2
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100.0%
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The first synapse of the spinocerebellar pathway is in the [...].
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spinal cord
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100.0%
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The second synapse of the spinocerebellar pathway is in the [...].
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cerebellum
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100.0%
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At which level of the CNS do sensory neurons which ascend the spinocerebellar pathway decussate?
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Spinal cord
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100.0%
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What are the 2 routes of the spinocerebellar pathway?
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Dorsal and ventral
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100.0%
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The decussating route of the spinocerebellar pathway is [...]al.
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ventr
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100.0%
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The [...] is the major descending pathway through which information descends from the cortex to the spinal cord.
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corticospinal tract
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100.0%
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What is also called the pyramidal system?
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Corticospinal tract
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100.0%
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What are the 3 types of neurons in the corticospinal tract?
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Upper motor, interneuron, and lower motor
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100.0%
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Where do the neurons of the corticospinal tract decussate?
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Medulla oblongata
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100.0%
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At the pyramidal decussation, [...]% of fibres cross to make the lateral corticospinal tract.
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85
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100.0%
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At the pyramidal decussation, [...]% of fibres remain ipsilateral to make the anterior corticospinal tract.
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15
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100.0%
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Through which area of white matter in the brain do the fibres of the corticospinal tract travel before reaching the brainstem?
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Internal capsule
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100.0%
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Lesion to lower motor neurons of the corticospinal tract will cause [...] paralysis.
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flaccid
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100.0%
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Lesion to upper motor neurons of the corticospinal tract will [...]lateral paralysis of the body below the lesion.
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contra
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100.0%
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Lesion to lower motor neurons of the corticospinal tract will [...]lateral paralysis of the body at the affected level.
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ipsi
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100.0%
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At the pyramidal decussation, 85% of fibres cross to make the [...] tract.
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lateral corticospinal
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100.0%
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At the pyramidal decussation, 15% of fibres remain ipsilateral to make the [...].
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anterior corticospinal tract
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100.0%
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Where in the CNS does the corticospinal tract divide into an anterior and a lateral tract?
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Medulla (decussation of the pyramids)
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100.0%
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The [...] tract is the descending pathway through which information travels from the motor cortex to the brainstem motor nuclei.
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corticobulbar
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100.0%
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The VPL nucleus of the thalamus receives inputs from the [...] pathway and the [...] pathway.
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dorsal column-medial lemniscus, pathway, spinothalamic, pathway
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100.0%
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The [...] nucleus of the thalamus receives inputs from the dorsal column-medial lemniscus pathway and the spinothalamic pathway.
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VPL
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100.0%
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Which ascending pathway transmits information about vibration?
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Dorsal column-medial lemniscus
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75.0%
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The first synapse of the dorsal column-medial lemniscus pathway is in the [...].
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medulla oblongata
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75.0%
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The gracile fasciculus of the dorsal column-medial lemniscus pathway carries sensory information from which part of the body?
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Lower body below T6
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75.0%
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Where does the dorsal route of the spinocerebellar pathway enter the cerebellum?
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Inferior cerebellar peduncle
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75.0%
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Where does the ventral route of the spinocerebellar pathway enter the cerebellum?
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Superior cerebellar peduncle
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75.0%
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Afferents in the spinothalamic tract may travel up or down several spinal segments in [...], meaning that a lesion to the spinal cord may only start affecting sensation several segments below the lesion.
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Lissauer's tract
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75.0%
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From which 3 areas of the cortex do neurons come from to form the corticospinal tract?
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1° motor, premotor, and supplementary motor
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75.0%
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Is the corticospinal tract found in animals other than mammals?
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No
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75.0%
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How many synapses are found in a corticospinal tract?
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1 or 2, depending on whether an interneuron is present
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75.0%
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Lesion to upper motor neurons of the corticospinal tract will cause [...] paralysis.
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spastic
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75.0%
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What are the 3 tracts of efferent neurons which pass through the internal capsule?
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Corticospinal
Corticopontine
Corticobulbar
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75.0%
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Syringomyelia commonly damages the [...] fibres of the [...] tract.
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decussating, spinothalamic
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75.0%
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The second synapse of the spinothalamic pathway is in the [...] of the [...].
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VPL, thalamus
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50.0%
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The non-decussating route of the spinocerebellar pathway is [...]al.
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dors
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50.0%
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Although it is not involved in general pain perception, the [ascending pathway] plays a role in the relay of visceral pain perception.
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dorsal column-medial lemniscus parhway
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50.0%
