Eye Quiz

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The lacrimal gland releases secretions through the lacrimal ducts

1

Tear secretions sweep inferior-medially in the conjunctival sac toward the lacrimal caruncle

2

Tear secretions enter the lacrimal punctum

3

Tear secretions enter canaliculi

4

Tear secretions enter the nasolacrimal duct

5

Tear secretions enter the nasal cavity

6

The person's nose begins to drip

7

This structure makes the aqueous humor

Ciliary body

This structure, with the suspensory ligaments, can pull on the lens to change its shape

Ciliary body

All of the following are part of the middle vascular tunic except: Cornea Ciliary body Iris Choroid

Cornea

Transparent portion of the fibrous tunic that is avascular and not prone to rejection when transplanted

Cornea

The transparent anterior outer portion of the eye is called _________ and it is part of the ________ layer. Cornea; fibrous Cornea; vascular Sclera; fibrous Sclera; vascular

Cornea; fibrous

Identify the layers of the eye from the outermost layer to the innermost layer Fibrous, vascular, nervous Fibrous, nervous, vascular Nervous, vascular, fibrous Vascular, nervous, fibrous

Fibrous, vascular, nervous

Which of the following is NOT a feature of the retina? optic chiasma Optic disc Bipolar cells Ganglion cells

Optic chiasma

Which of the following is commonly called the "blind spot" because it lacks photoreceptors? Optic disc fovea centralis Ciliary body Canal of Schlemm

Optic disc

Which part of the eye contains photoreceptor cells? Retina Vascular Fibrous Ciliary body

Retina

What part of the eye is referred to as "the white of the eye" and what layer does it belong to? Sclera; fibrous Sclera; vascular Cornea; fibrous Cornea; vascular

Sclera; fibrous

No photoreceptors are found here because the optic nerve travels through the optic disc

blind spot

Small opacities with the lens that gives it a "milky" look

cataract

This pigmented layer of the vascular tunic prevents light from scattering

choroid

Aqueous humor is secreted by the ______; It flows out of the posterior chamber into the anterior chamber and then it is reabsorbed into the blood stream through the ciliary body; canal of Schlemm Ciliary body; Eustachian tube Iris; Canal of Schlemm Iris; Eustachian tube

ciliary body; canal of Schlemm

Transparent mucous membrane covering the inner surface of the eyelid and the sclera

conjunctiva

This is an inflammation of the most superficial layer of the eye and is often called pink eye

conjunctivitis

This occurs when the outer pigmented and inner neural layers of the retina separate

detached retina

This landmark contains only cones for photoreceptors

fovea centralis

A disease characterized by increased intraocular pressure due to aqueous humor fluid buildup

glaucoma

Portion of the fibrous tunic known as the white of the eye

sclera

A lack of parallelism between the two visual axes (a.k.a. "lazy eye")

strabismus

An infection of the sebaceous glands found were the eyelashes emerge from the palpebrae

sty


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