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Questions and Answers
What is the main function of the pyramidal structure known as the orbit?
What is the main function of the pyramidal structure known as the orbit?
- Separating the upper and lower facial skeletons
- Aiding in respiratory functions
- Ensuring proper jaw movement
- Protecting the brain and optic nerve from direct force (correct)
What important structures pass through the notch in the medial third of the superior orbital rim?
What important structures pass through the notch in the medial third of the superior orbital rim?
- Orbital septum
- Nasolacrimal duct
- Supraorbital nerve, artery, and vein (correct)
- Infraorbital nerve
What is the function of the lateral orbital rim being projected the least?
What is the function of the lateral orbital rim being projected the least?
- Facilitating lateral vision (correct)
- Supporting jaw movement
- Protecting the lacrimal gland
- Enhancing central vision
Which part of the lateral orbital wall thickens considerably near the sphenoid bone?
Which part of the lateral orbital wall thickens considerably near the sphenoid bone?
What is the main protractor of the eyelids?
What is the main protractor of the eyelids?
Which nerve innervates the Orbicularis oculi muscle?
Which nerve innervates the Orbicularis oculi muscle?
What passes through the inferior orbital fissure?
What passes through the inferior orbital fissure?
How does the floor of the orbit curve towards the superior orbital fissure?
How does the floor of the orbit curve towards the superior orbital fissure?
What does the medial orbital wall separate from the orbit?
What does the medial orbital wall separate from the orbit?
What is the primary function of the thicker bone at the apex and base of the orbit?
What is the primary function of the thicker bone at the apex and base of the orbit?
What is the main function of the curvilinear orbital walls?
What is the main function of the curvilinear orbital walls?
Where is the supratrochlear nerve located in relation to the supraorbital nerve?
Where is the supratrochlear nerve located in relation to the supraorbital nerve?
What is the relative thickness of the zygomatic portion of the lateral orbital wall?
What is the relative thickness of the zygomatic portion of the lateral orbital wall?
What is the main function of the lateral orbital rim having the least projection?
What is the main function of the lateral orbital rim having the least projection?
What is the main role of the medial orbital wall?
What is the main role of the medial orbital wall?
Which structure transmits the maxillary nerve and inferior ophthalmic vein?
Which structure transmits the maxillary nerve and inferior ophthalmic vein?
Which muscle is responsible for gentle lid closure?
Which muscle is responsible for gentle lid closure?
Which nerve innervates both the temporal and zygomatic branches of the facial nerve?
Which nerve innervates both the temporal and zygomatic branches of the facial nerve?
What passes through the superior orbital fissure?
What passes through the superior orbital fissure?
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