Trigeminal nerve – osmcq

89. The tarts

The cranial nerves passing through the superior orbital fissure in order from top to bottom:

Lacrimal nerve. (T/F?)
Frontal nerve. /T/F?)
Trochlear nerve. (T/F?)
Superior branch of the oculomotor nerve. (T/F?)
Nasocilliary nerve. (T/F?)
Abducens nerve. (T/F?)
Inferior branch of the oculomotor nerve. (T/F?)

Answers...

53. Exits of cranial nerves from the skull

Cribriform plate: Olfactory nerve. (T/F?)
Optic foramen: Optic nerve. (T/F?)
Superior orbital fissure: Ophtalmic nerve. (T/F?)
Foramen ovale: Maxillary nerve. (T/F?)
Foramen rotundum: Mandibullary nerve. (T/F?)
Jugular foramen: Vagus nerve. (T/F?)

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F
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5. Trigeminal nerve

Is the largest cranial nerve. (T/F?)
Is both motor and sensory nerve. (T/F?)
Has three major branches: the ophthalmic nerve, the maxillary nerve, and the mandibular nerve. (T/F?)
One of its branches, mandibular nerve comes close to the internal carotid artery in the cavernous sinus. (T/F?)
Its motor nucleus supplies the muscles of mastication. (T/F)
Maxillary and mandibular nerve have sensory and motor functions. (T/F?)

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First two branches of the trigeminal nerve, ophthalmic nerve (V1) and maxillary nerve (V2) pass through the cavernous sinus, while mandibular nerve (V3) does not.

The ophthalmic and maxillary nerves are purely sensory, while the mandibular nerve has sensory and motor functions.

By Grant, John Charles Boileu (An atlas of anatomy, / by regions 1962) [Public domain], via Wikimedia Commons

By Grant, John Charles Boileu (An atlas of anatomy, / by regions 1962) [Public domain], via Wikimedia Commons

By Grant, John Charles Boileu (An atlas of anatomy, / by regions 1962) [Public domain], via Wikimedia Commons