INBDE (Integrated National Board Dental Examination) Practice Exam

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Ace your INBDE with our comprehensive practice exam. Featuring detailed explanations, interactive flashcards, and a wide array of multiple-choice questions designed to mirror the real test. Get ready to surpass your expectations!

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Special sensory fibers travel to what in brainstem before reaching the brain?

Medial lemniscus
Solitary tract nucleus
Cerebellar peduncles
Olive

The correct answer is: Solitary tract nucleus

Special sensory fibers, including taste and olfaction (smell) fibers, travel through the cranial nerves to specific nuclei in the brainstem before reaching their final destinations in the brain. The solitary tract nucleus receives taste fibers from the facial (VII) and glossopharyngeal (IX) cranial nerves, as well as olfactory fibers. From the solitary tract nucleus, these sensory inputs are then relayed to higher centers in the brain for further processing and interpretation. The other options listed are structures in the brainstem but are not the specific pathways for special sensory fibers like taste and olfaction.