Cranial nerve pathways and foramina, neck triangles, and facial muscle innervation tested on USMLE Step 1.
40 cards · basic cards · AI-written, checked twice. Edit anything.
- Which foramen does the olfactory nerve (CN I) pass through to reach the nasal cavity?
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The cribriform plate of the ethmoid bone- Which foramen transmits the optic nerve (CN II)?
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The optic canal- Through which opening does the oculomotor nerve (CN III) leave the skull?
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The superior orbital fissure- Through which opening does the trochlear nerve (CN IV) leave the skull?
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The superior orbital fissure- Through which opening does the ophthalmic nerve (CN V1) leave the skull?
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The superior orbital fissure- Through which foramen does the maxillary nerve (CN V2) leave the skull?
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Foramen rotundum- Through which foramen does the mandibular nerve (CN V3) leave the skull?
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Foramen ovale- Through which opening does the abducens nerve (CN VI) leave the skull?
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The superior orbital fissure- Through which opening does the facial nerve (CN VII) enter the temporal bone from the posterior cranial fossa?
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The internal acoustic meatus- Through which foramen does the facial nerve (CN VII) exit the skull after traveling through the facial canal?
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The stylomastoid foramen- Through which opening does the vestibulocochlear nerve (CN VIII) enter the temporal bone?
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The internal acoustic meatus- Which three cranial nerves exit the skull together through the jugular foramen?
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CN IX (glossopharyngeal), CN X (vagus), and CN XI (accessory)- Through which canal does the hypoglossal nerve (CN XII) leave the skull?
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The hypoglossal canal- What major artery passes through the foramen spinosum?
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The middle meningeal artery- What major artery passes through the carotid canal?
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The internal carotid artery
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