HUMAN EYE EXAM QUESTIONS WITH
COMPLETE SOLUTIONS
The human eye is __ inch deep, __ inch wide and __ inch tall. - Answer-1
1
1
Location of the eye: - Answer-Orbital cavity
The fat around a eye is for ____. The eyelids are for ___ and the eyebrows and lashes
are for ____. - Answer-Cushion
blinking
protect from particles
Tears secreted by the lacrimal glands: - Answer-Lacrimal Gland
Excretory Lacrimal Ducts
Superior/Inferior lacrimal canal
lacrimal sac
nasolacrimal duct
nasal cavity
Three layers of the eye: - Answer-Sclera
Choroid(Uveal Tract)
Retina
The ___ is the outmost layer. It is also known as the ___ of the eye. Its function is to
____ of eye. - Answer-Sclera
White part
Maintain shape
The anterior extension of the sclera is the ____. - Answer-Corna
The convex outermost surface(Cornea) is responsible for the ____ during its path to the
___. - Answer-bending of light
retina
The cornea can be transplanted because of its _____. Without blood vessels, the
transplanted cornea cannot be "attacked" by the ____. The cornea is well innervated
with ____. - Answer-avascularity
immune system
pain fibers
The ___ is the middle layer. - Answer-Choroid "Uveal Tract"
, The choroid contains ___ and supplies __ to the structures of the eye - Answer-Blood
vessels
blood
Anterior part of the choroid contains two structures: - Answer-Ciliary Body
Iris
The ciliary body is a ____ that is attatched to the ___. It contracts and relaxes to control
the size of the ___ for ____. - Answer-Muscular area
lens
lens
focusing
The __ is the colored part of the eye. The color is determined by ___ and ____. -
Answer-Iris
Connective Tissue
Pigment Cells
Blue eyes= ___ pigment and brown eyes= ___ pigment - Answer-less
more
The iris is an ____ around the opening called the ___. - Answer-adjustable diaphragm
pupil
What are the two muscles that the pupil size is controlled by? - Answer-Dilator Muscle
Spincter
The dilator muscle makes the Iris ___ therefore the pupil gets ____. ___ light comes
into the eye. - Answer-Smaller
Larger
More
The sphincter muscle makes the iris ___ and the pupil ___. ___ light into the eye -
Answer-Bigger
Smaller
Less
The inner most layer is the ___. - Answer-Retina
The Retina is lined with ______, to lessen the reflect of light. - Answer-Black
The retina is the _____(______) portion of the eye. - Answer-Light-
sensing(photoreceptive)
The ___ is the function of the sensory nervous system. - Answer-Retina
COMPLETE SOLUTIONS
The human eye is __ inch deep, __ inch wide and __ inch tall. - Answer-1
1
1
Location of the eye: - Answer-Orbital cavity
The fat around a eye is for ____. The eyelids are for ___ and the eyebrows and lashes
are for ____. - Answer-Cushion
blinking
protect from particles
Tears secreted by the lacrimal glands: - Answer-Lacrimal Gland
Excretory Lacrimal Ducts
Superior/Inferior lacrimal canal
lacrimal sac
nasolacrimal duct
nasal cavity
Three layers of the eye: - Answer-Sclera
Choroid(Uveal Tract)
Retina
The ___ is the outmost layer. It is also known as the ___ of the eye. Its function is to
____ of eye. - Answer-Sclera
White part
Maintain shape
The anterior extension of the sclera is the ____. - Answer-Corna
The convex outermost surface(Cornea) is responsible for the ____ during its path to the
___. - Answer-bending of light
retina
The cornea can be transplanted because of its _____. Without blood vessels, the
transplanted cornea cannot be "attacked" by the ____. The cornea is well innervated
with ____. - Answer-avascularity
immune system
pain fibers
The ___ is the middle layer. - Answer-Choroid "Uveal Tract"
, The choroid contains ___ and supplies __ to the structures of the eye - Answer-Blood
vessels
blood
Anterior part of the choroid contains two structures: - Answer-Ciliary Body
Iris
The ciliary body is a ____ that is attatched to the ___. It contracts and relaxes to control
the size of the ___ for ____. - Answer-Muscular area
lens
lens
focusing
The __ is the colored part of the eye. The color is determined by ___ and ____. -
Answer-Iris
Connective Tissue
Pigment Cells
Blue eyes= ___ pigment and brown eyes= ___ pigment - Answer-less
more
The iris is an ____ around the opening called the ___. - Answer-adjustable diaphragm
pupil
What are the two muscles that the pupil size is controlled by? - Answer-Dilator Muscle
Spincter
The dilator muscle makes the Iris ___ therefore the pupil gets ____. ___ light comes
into the eye. - Answer-Smaller
Larger
More
The sphincter muscle makes the iris ___ and the pupil ___. ___ light into the eye -
Answer-Bigger
Smaller
Less
The inner most layer is the ___. - Answer-Retina
The Retina is lined with ______, to lessen the reflect of light. - Answer-Black
The retina is the _____(______) portion of the eye. - Answer-Light-
sensing(photoreceptive)
The ___ is the function of the sensory nervous system. - Answer-Retina
