Neuroanatomy — Flashcards

Flashcard 521: What syndrome is associated with lesion of the following areas? _____1. Corticospinal tract2. Medial lemniscus3. Hypoglossal nerve (CN XII)

Answer: Medial medullary syndrome (Inferior alternating hemiplegia)

Flashcard 522: What type of cranial nerve (motor, sensory, or both) is the glossopharyngeal nerve (CN IX)?_____

Answer: Both (motor and sensory)

Flashcard 523: How many neurons are required for the lateral corticospinal tract pathway (voluntary muscle movement)? _____

Answer: Two (UMN & LMN)

Flashcard 524: Which CN III fibers (motor or parasympathetic) are affected first by compression? _____

Answer: Parasympathetics

Flashcard 525: What syndrome is associated with a lesion of the following areas? 1. Spinothalamic tract 2. Spinal trigeminal nucleus 3. Hypothalamospinal tract 4. Facial nucleus (CN VII) 5. Cochlear nucleus (CN VIII) 6. Vestibular nucleus (CN VIII) 7. Middle and inferior cerebellar peduncles 8. Labyrinthine artery

Answer: Lateral pontine syndrome (AICA syndrome / Marie-Foix syndrome)

Flashcard 526: What neural tract is responsible for the sympathetic input of the face? _____

Answer: Hypothalamospinal tract

Flashcard 527: _____ circuit describes the neural circuit for emotional expression and includes the hippocampus, mammillary bodies, anterior thalamic nuclei, cingulate gyrus, and entorhinal cortex

Answer: Papez

Flashcard 528: Which tract is responsible for conveying unconscious proprioceptive information from the body to the cerebellum?

Answer: Spinocerebellar tract

Extra: The spinocerebellar tracts (including the dorsal and ventral tracts) are responsible for conveying unconscious proprioceptive information from the limbs and trunk to the cerebellum.

Flashcard 529: Which cranial nerve decussates prior to exiting the brainstem? _____

Answer: CN IV (Trochlear)

Flashcard 530: Horner syndrome is associated with lesions of the spinal cord above _____

Answer: T1