Medulla oblongata nuclei — Flashcards

Flashcard 1: Which cranial nerve(s) does the dorsal motor nucleus contribute to? _____

Answer: CN X (Vagus)

Flashcard 2: Which brainstem nucleus is located adjacent and lateral to the hypoglossal nucleus in the medulla?

Answer: Dorsal motor nucleus of CN X (Vagus nerve)

Flashcard 3: Which cranial nerve(s) does the nucleus solitarius contribute to? _____

Answer: CN VII, IX, and X

Flashcard 4: Which brainstem nucleus is located just lateral to the inferior cerebellar peduncle?

Answer: Cochlear nucleus

Flashcard 5: The cranial nerves that exit _____ are typically mixed or sensory CNs

Answer: laterally

Extra: Watch associated Bootcamp video [https://app.bootcamp.com/med-school/neurology/videos/brainstem-anatomy?index=3] https://onlinemeded.org/spa/neuroscience/cranial-nerves/acquire?ref=anki

Flashcard 6: Identify the brainstem level based on these features: - Presence of 4th ventricle - Inferior olivary nucleus - Presence of CN IX, X and XII Answer: _____

Answer: Open medulla

Extra: The open medulla (rostral medulla) is characterized by the presence of the 4th ventricle on its posterior surface, the inferior olivary nucleus, and the nuclei for cranial nerves IX, X, and XII.

Flashcard 7: Which cranial nerves (4) are located in the medulla? _____

Answer: IX, X, XI*, and XII

Flashcard 8: Which brainstem nucleus is located in the vestibular area of the floor of the 4th ventricle and receives sensory input for balance?

Answer: Vestibular nucleus

Flashcard 9: paramedian pontine reticular formation (PPRF)

Answer: eyes look away from side of lesion

Flashcard 10: Where is the locus ceruleus located?

Answer: pons