Thalamic Nuclei and Sensory Pathways Quiz

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16 Questions

Where do the 3rd order of senses that come from the body and head/neck synapse in the thalamus?

Medial ventral nucleus

Which pathway carries hearing and balance sensations?

Lateral lemniscus

In which part of the brainstem are the motor nuclei that control cranial nerves located?

Pons

Where does unconscious proprioception from the lower limb decussate?

Spinal cord

Which tract carries pain and sensation with a three-order neuron system?

Lateral spinothalamic tract

Where is the first order neuron located for the pathway that carries light touch sensations?

Dorsal root ganglion

Which part of the brain is associated with conscious proprioception of the upper thorax and upper limb?

Parietal lobe

What strange phenomenon occurs in the pons related to decussation of sensory information?

Decussation to its own side of the cerebellum

Where is the second-order neuron located for the pathway that carries light touch sensations?

Thalamus

What type of information does the lateral ventral nucleus of the thalamus process?

Pain and sensation from the body

Where does the motor pathway for light touch sensations descend to?

Cerebellum

In which structure do the first-order neurons for proprioception of the upper thorax and upper limb synapse?

Thalamus

What is the main function of the lateral spinothalamic tract?

Carrying pain and sensation

Where does unconscious proprioception from the lower limb decussate?

Spinal cord

What important sensory information does the medial ventral nucleus of the thalamus process?

Unconscious proprioception of upper thorax

Where is the first-order neuron located for the pathway that carries unconscious proprioception of lower limb?

Dorsal root ganglion

Test your knowledge on the thalamus and sensory pathways. Learn about the lateral and medial ventral nuclei of the thalamus, the pathways for senses from the body, head, neck, upper thorax, upper limb, touch, vibration, and proprioception.

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