Eye Quiz
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
