Neuroanatomy Quiz: Sensory Pathways and Language Impairment
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Questions and Answers

Which efferent cerebellar tract enters and exits via the inferior cerebellar peduncle?

  • Globose-emboliform rubral
  • Dentato-thalamic
  • Fastigio-vestibular (correct)
  • Vestibulocerebellar
  • At what level of the nervous system does the Dorsal Column Medial Lemniscal (DCML) fiber tracts decussate?

  • Spinal cord
  • Medulla (correct)
  • Midbrain
  • Pons
  • Which sensory modality is NOT carried by the DCML pathway?

  • Conscious proprioception
  • Temperature (correct)
  • Vibration
  • Tactile discrimination
  • Which tract is responsible for conveying discriminative tactile information from the upper extremity in the DCML pathway?

    <p>Fasciculus cuneatus</p> Signup and view all the answers

    At which level of the nervous system does the Spinothalamic tract decussate?

    <p>Spinal cord</p> Signup and view all the answers

    Which receptor is employed by the Lateral Spinothalamic tract to sense cold temperature?

    <p>End-bulbs of Krause</p> Signup and view all the answers

    Where are the cell bodies of the first-order neurons in the Trigeminal pathway located?

    <p>Trigeminal ganglion</p> Signup and view all the answers

    What type of sensory information does the right gracilis fasciculus carry?

    <p>Position information from the right leg</p> Signup and view all the answers

    Which sensory modality is relayed by the Trigeminal pathway?

    <p>Temperature</p> Signup and view all the answers

    Which thalamic relay center is correctly matched with the Spinothalamic pathway?

    <p>VPM nucleus</p> Signup and view all the answers

    Which of the following is NOT a characteristic of the Trigeminal pathway?

    <p>It decussates at the level of the spinal cord</p> Signup and view all the answers

    What is the term for an impairment of any language modality observed during a neurologic examination?

    <p>Aphasia</p> Signup and view all the answers

    What would be the result of cutting the Spinothalamic tract on the right side of the spinal cord?

    <p>Pain sensations below the damaged area on the left side are eliminated</p> Signup and view all the answers

    What type of sensory information is carried by the Trigeminal pathway?

    <p>Pain and temperature from the face</p> Signup and view all the answers

    Which cranial nerves are evaluated when testing the six principal positions of gaze?

    <p>III, IV, and VI</p> Signup and view all the answers

    Where do the second-order neurons in the Trigeminal pathway synapse?

    <p>Spinal nucleus of CN V</p> Signup and view all the answers

    Where does the first decussation of the ascending auditory pathway occur?

    <p>Brainstem</p> Signup and view all the answers

    Which area is the entry point of the Vestibular nerve (CN VIII) in the brain?

    <p>Pontomedullary junction</p> Signup and view all the answers

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