Worksheets2021 Fall Review - the eye
Total questions: 65
Worksheet time: 33mins
What are rich with nerve endings for the blink reflex ?
eyebrows
eyelids
eyelashes
ciliary glands
What's a bacterial/viral eye infection that is highly contagious and leads to conjuntivitis ?
cataracts
water eyes
pinkeye
glaucoma
What liquid cleanses, protects, moistens, and lubricates the eye ? (2 answers)
lacrimal secretions
aqueous humor
tears
lysozymes
What are modified sweat glands between the eyelashes that lubricate the eyelids ?
lacrimal glands
apocrine glands
sebaceous glands
ciliary glands
What's the transparent mucous membrane lining the eyball and inside the eyelids for lubrication ?
lacrimal glands
conjunctiva
sclera
choroid
What protects and lubricates the eyes anteriorly by blinking ?
eyebrows
eyelids
eyelashes
ciliary glands
The __________ glands release a dilute saline solution called __________.
ciliary; aqueous humor
ciliary; tears
lacrimal; tears
lacrimal; aqueous humor
What shades the eyes and prevents perspiration from getting into the eyes ?
eyebrows
eyelids
eyelashes
ciliary glands
Nasal inflammation impairs the drainage of tears resulting in _____________ ?
retinal detachment
glaucoma
watery eyes
cataracts
What is inflammation of the conjunctiva resulting in red, irritated eyes called ?
cataracts
conjunctivitis
pinkeye
glaucoma
Tears contain antibodies and ___________ (enzymes that destroy bacteria) to help the ____________ system.
aqueous humor; endocrine
aqueous humor; immune
lysozymes; immune
lysozymes; endocrine
The ____________ muscle depresses the eye and turns it medially.
inferior rectus
inferior oblique
superior rectus
superior oblique
There are ________ strap-like _____________ (external-voluntary) to move the eye.
4; intrinsic
4; extrinsic
6; extrinsic
6; intrinsic
The ___________ muscles elevates the eye and turns it medially.
inferior rectus
inferior oblique
superior rectus
superior oblique
Which cranial nerve controls the superior oblique muscle ?
abducens
trochlear
oculomotor
vestibulocochlear
The __________ moves the eye laterally only, and the _______ moves the eye medially only.
inferior rectus; medial rectus
medial rectus; lateral rectus
lateral rectus; medial rectus
lateral rectus; superior rectus
Which cranial nerve controls the lateral rectus ?
abducens
trochlear
oculomotor
vestibulocochlear
The ___________ elevates the eye and turns in laterally.
inferior rectus
inferior oblique
superior rectus
superior oblique
Which cranial nerve controls the medial, superior, and inferior rectus, and the inferior oblique ?
abducens
trochlear
oculomotor
vestibulocochlear
The _________ depresses the eye and turns it laterally.
inferior rectus
inferior oblique
superior rectus
superior oblique
What congenital weakness of the extrinsic eye muscles cause cross eyes or a lazy eye ?
strabismus
diplopia
myopia
hyperopia
What is the disorder in which eye muscles are not coordinated, causing double vision ?
strabismus
diplopia
myopia
hyperopia
What are the 3 layers of the eyeball ? superficial to deep
fibrous - vascular - retina
fibrous - retina - vascular
retina - vascular - fibrous
vascular - fibrous - retina
What is the outermost layer of the eyeball containing the sclera and cornea ?
fibrous
retina
vascular
liquid chambers
What's the transparent window in the sclera that allows light to enter the eye ?
iris
cornea
choroid
ciliary body
What's well supplied with nerve endings but not blood vessels, so it can be transplanted ?
iris
cornea
choroid
ciliary body
What's the white, opaque tissue used for eye muscle attachment, eye protection, and eye shape ?
sclera
cornea
choroid
ciliary body
What is the middle pigmented layer of the eyeball containing the choroid, ciliary body, and the iris ?
fibrous
retina
vascular
liquid chambers
What absorbs light to prevent it from scattering in the eye ? (2 answers)
pigmented layer
cornea
choroid
ciliary body
What is made up of intrinsic smooth muscles that varies pupil size for light entry regulation ?
iris
cornea
choroid
ciliary body
What is the thickened ring of tissue that encircles the lens to the control its shape ?
iris
cornea
choroid
ciliary body
What is the visible pigmented part of the eye that contains the rounded opening, the pupil ?
iris
cornea
choroid
ciliary body
In dim light or distant vision, the pupils _________ with the __________ muscles.
constrict; sphincter papillae
constrict; dilator papillae
dilate; sphincter papillae
dilate; dilator papillae
What is the blood vessel-rich, dark brown membrane that nourishes the eye ?
iris
cornea
choroid
ciliary body
In bright light or close vision, the pupils __________ with the _________ muscles.
constrict; sphincter papillae
constrict; dilator papillae
dilate; sphincter papillae
dilate; dilator papillae
What is the inner layer of the eyeball split into the pigmented and neural (photoreceptor) layers ?
fibrous
retina
vascular
liquid chambers
What layer of the retina absorbs light in the eye, contains phagocytes, and stores Vitamin A ?
choroid
pigmented
neural
sclera
What do photoreceptors respond to ?
pain
light
chemicals
touch
What layer of the retina contains millions of photoreceptors ?
choroid
pigmented
neural
sclera
When light focuses on the _____________ where the optic nerve leaves the eye, it disappears from view. (2 answers)
vitrous humor
optic disc
blind spot
fovea centralis
Photoreceptors are distributed all over the retina except where the ___________ leaves the eyeball.
visual cortex
optic nerve
optic tract
optic radiation
_________ are used to see color in ____________ light.
Rods; bright
Rods; dim
Cones; dim
Cones; bright
_____________ are used to see in gray tones in ___________ light and provide peripheral vision.
Rods; bright
Rods; dims
Cones; dim
Cones; bright
___________ are dense at the edge of the retina, while _________ are dense in the center of the retina.
Cones; fovea centralis
Rods; cones
Fovea centralis; rods
Cones; rods
What is the tiny pit next to the optic disc containing only cones for the best visual acuity ?
vitreous humor
fovea centralis
blind spot
aqueous humor
What anterior liquid chamber constantly drains/moves providing nutrients to the lens and cornea ?
vitreous humor
fovea centralis
intraocular
aqueous humor
What posterior liquid chamber transmits light, supports lens, and holds retina layer together ?
vitreous humor
fovea centralis
intraocular
aqueous humor
What occurs when the aqueous humor is blocked, causing the eye to compress the optic nerve ?
glaucoma
cataracts
watery eyes
retinal detachment
What helps with intraocular pressure ? (2 answers)
vitreous humor
foveal centralis
tapetum
aqueous humor
What is the biconvex, transparent, flexible structure that changes shape to focus light ?
lens
pupil
cornea
choroid
What is the colorful shiny material behind the retina in animals with night vision ?
tapetum
pupil
cornea
choroid
What is the clouding of the lens due to aging, causing hazy or blind vision ?
glaucoma
cataracts
watery eyes
retinal detachment
Light goes through the vitreous humor, then the ___________ with photoreceptors then the ____________.
retina; optic nerves
retina; vitreous humor
choroid; optic nerves
cornea; vitreous humor
What reflex constricts the pupils when viewing close objects for more acute vision ?
convergence
photopupillary
accommodation pupillary
visual pupillary
What reflex moves the eyes medially when viewing close objects to aim both eyes at the object ?
convergence
photopupillary
accommodation pupillary
visual pupillary
What reflex immediately constricts the pupils when suddenly exposed to bright light ?
convergence
photopupillary
accommodation pupillary
visual pupillary
What is normal eye vision ?
emmetropia
myopia
hyperopia
astigmatism
What sex-linked trait occurs when a person is lacking one or more cones ?
color blindness
blindness
retinal detachment
nyctalopia
When an image is focused past the retina because the eyeball is too short, this is called ___________. (2 answers)
farsightedness
myopia
hyperopia
nearsightedness
True or False: Females are more commonly colorblind.
True
False
Damage to the eye, optic nerve, optic tract, thalamus, or visual cortex can cause ______________.
color blindness.
blindness.
myopia.
nyctalopia.
When images are blurry due to unequal curvatures of the cornea or lens, this is called ______________ .
emmetropia
myopia
hyperopia
astigmatism
A condition in which the pigmented and neural layers detach causing permanent blindness is called __________.
astigmatism
retinal detachment
myopia
nyctalopia
What occurs when rods are not functioning properly due to Vitamin A deficiency ? (2 answers)
color blindness
blindness
night blindness
nyctalopia
When an image is focused before the retina because the eyeball is too long, this is called ____________. (2 answers)
farsightedness
myopia
hyperopia
nearsightedness
