Beginner Superior Orbital Fissure Quiz

Q1. Which bone contains the superior orbital fissure?

• Frontal bone
• Ethmoid bone
• Sphenoid bone
• Maxilla

Q2. Between which parts of the sphenoid is the superior orbital fissure located?

• Greater and lesser wings
• Two pterygoid plates
• Body and medial pterygoid plate
• Greater wing and sphenoidal rostrum

Q3. Which cranial nerve controlling most extraocular muscles passes through the superior orbital fissure?

• Oculomotor nerve, CN III
• Hypoglossal nerve, CN XII
• Optic nerve, CN II
• Facial nerve, CN VII

Q4. Which cranial nerve supplying the superior oblique muscle passes through the superior orbital fissure?

• Trigeminal nerve, CN V3
• Trochlear nerve, CN IV
• Glossopharyngeal nerve, CN IX
• Accessory nerve, CN XI

Q5. Which cranial nerve supplying the lateral rectus muscle passes through the superior orbital fissure?

• Optic nerve, CN II
• Vagus nerve, CN X
• Abducens nerve, CN VI
• Facial nerve, CN VII

Q6. Which division of the trigeminal nerve enters the orbit through the superior orbital fissure?

• Motor root of CN V
• Mandibular division, V3
• Maxillary division, V2
• Ophthalmic division, V1

Q7. Which major vein leaves the orbit through the superior orbital fissure toward the cavernous sinus?

• Facial vein
• Superior ophthalmic vein
• Internal jugular vein
• Retromandibular vein

Q8. What major cavity communicates with the middle cranial fossa through the superior orbital fissure?

• Orbit
• Nasal vestibule
• Middle ear
• Oral cavity

Q9. Which canal lies medial to the superior orbital fissure at the orbital apex?

• Mandibular canal
• Hypoglossal canal
• Optic canal
• Carotid canal

Q10. Which nerve does NOT pass through the superior orbital fissure?

• Abducens nerve, CN VI
• Trochlear nerve, CN IV
• Oculomotor nerve, CN III
• Optic nerve, CN II