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Exam 16: Special Senses: the Eye

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Question 21

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The circular opening in the center of the iris is called the pupil.

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Question 22

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All of the following make up the external structure of the eye except:

A) uvea
B) orbit
C) eyelids
D) conjunctiva

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Question 23

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The meaning of the abbreviation VA is ________.

Aqueous humor is located in the anterior chamber.

Beta blockers increase the production of intraocular fluid.

The term used to describe the condition of one or both eyes being turned inward is:

Explain the function of the lacrimal sac.

Write the correct meaning for IOP:

Obstruction of tear ducts resulting in a tumor-like swelling is:

________ is made possible through the coordinated actions of nerves that control the movement of the eyeball,the amount of light admitted by the pupil,the focusing of the light on the retina by the lens,and the transmission of the resulting sensory impulses to the brain by the optic nerve.

The watery fluid that fills both the anterior and posterior chambers of the eye is known as ________.

Using ultrasound to remove a cataract is:

The meaning of the abbreviation IOL is ________.

The anterior transparent portion of the eye's fibrous outer surface is the sclera.

Macular degeneration involves the macular area of the:

________ are sensitive to bright light and are used for color vision.

The nasolacrimal duct drains lacrimal fluid into the nose.

In the term trifocal,the prefix tri- means

Explain how the eye sees.

The ________ is a cone-shaped cavity in the front of the skull that contains the eyeball.