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Orbital Anatomy and Eyelid Quiz

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Questions and Answers

Which of the following structures are NOT found in the orbits?

Muscles

Nerves

Lacrimal apparatus (correct)

Eyeballs

What is the function of the eyelids?

To provide lubrication to the eye

To protect the eye from injury and excessive light (correct)

To produce tears

To control the movement of the eyeball

Which eyelid is larger and more mobile?

It depends on the individual

Lower eyelid

Upper eyelid (correct)

They are both the same size

What is the purpose of the palpebral fissure?

<p>To serve as the entrance into the conjunctival sac</p> Signup and view all the answers

Where are the sebaceous glands (glands of Zeis) located?

<p>On the surface of the eyelids</p> Signup and view all the answers

Study Notes

Eye Structures

The lacrimal gland and the eyeball itself are found in the orbits.

Eyelid Functions

The function of the eyelids is to protect the eye by closing and opening.

Eyelid Size and Mobility

The upper eyelid is larger and more mobile than the lower eyelid.

Palpebral Fissure

The palpebral fissure, or the opening between the eyelids, allows the eye to open and close.

Sebaceous Glands

The sebaceous glands (glands of Zeis) are located along the edges of the eyelids.

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Description

Test your knowledge on the anatomy of the orbital region and eyelids. This quiz covers the bony cavities, muscles, nerves, vessels, and fat found in the orbits, as well as the functions and features of the protective eyelids.