12 Questions
What is the function of the lacrimal apparatus?
To lubricate the eye
Which of the following is NOT one of the extraocular muscles?
Deltoid
What is the function of the corneal reflex?
To respond to pain and touch
What determines the color of the eye?
The iris
What is the function of the ciliary body?
To focus on objects
What is the name of the nerve that carries the afferent sensation of the corneal reflex?
Trigeminal nerve
What is the primary function of the eyelids?
To protect the eye from foreign bodies
What are the small openings in the lateral canthus called?
Puncta
What is the purpose of the meibomian glands?
To secrete an oily substance that lubricates the eyelid
What is the space between the open eyelids called?
Palpebral fissure
What is the function of eyelashes?
To filter dust and dirt from air entering the eye
What is the cushion of fat that surrounds the eye in the orbit?
A description not mentioned in the text
Test your knowledge of the external structures of the eye, including the eyelids and their functions, and the anatomy of the eye orbit.
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