CPOA STUDY COURSE CHAPTERS 1-19
QUESTIONS WITH ALL ANSWERS VERIFIED
HIPAA - ANSWER The government agency that protects the
privacy of patients
Three basic functions of the eyelids are - ANSWER 1) Replenish and spread
tear film evenly across the surface of the eye 2) Regulate the amount of tear
fluid in the eyes 3) Protect the eye
Seven bones that form the orbit - ANSWER Maxilla, Frontal, Zygomatic,
Ethmoid,
Lacrimal, Palantine, Sphenoid.
Rapid, forceful closure of the eyelids that
protects the eye from foreign bodies and excessive light is called - ANSWER
reflex blinking
The palpebral fissure, which is the space between the eyelids, normally
measures - ANSWER 10 mm
Blepharospasm - ANSWER A condition in which the lids are so
tightly closed they cannot be opened.
Ptosis - ANSWER Drooping of the upper lid
Ectropion - ANSWER The eyelid turns outward due to loss
of elasticity of lid tissues.
Entropion - ANSWER An inward turning of the lids, causing eyelashes to
scratch the eye
The muscle responsible for eyelid closure.
is the - ANSWER orbicularis oculi
,The muscle responsible for eyelid retraction
is called the - ANSWER levator palpebrae superioris
An internal hordeolum is caused by a blockage of the ________ glands -
ANSWER Meibomian, or tarsal
The mucous membrane that covers the inside of the eyelids and the outside of
the globe is known as - ANSWER the conjunctiva
Inflammation of the conjunctiva membrane is called - ANSWER conjunctivitis
Goblet cells - ANSWER Produce oil to protect the eyelashes
from drying out and becoming brittle
lacrimal glands of Krause and Wolfring - ANSWER Sweat glands found in the
lid margin
Glands of Zeiss - ANSWER Produce mucus to aid in the stability
of tear film
Glands of Moll - ANSWER Produce the watery layer of the tear
film in conjunction with the lacrimal gland
Name the three layers of tear film - ANSWER oily layer, watery layer, mucin
layer
List four functions of the lacrimal system - ANSWER 1) Wash away debris
and cellular waste 2) Transport oxygen to the cornea 3) Inhibit growth of
bacteria, 4) provide a smooth, optically clear corneal surface
Which of the following best represents the
flow of tears - ANSWER Puncta, canaliculi, lacrimal sac, nasolacrimal duct
The fluids, or "humors," that help maintain
the shape of the eye are - ANSWER aqueous, vitreous
The function of the cornea is - ANSWER to focus, or refract, light
,The cornea receives oxygen and nutrients
from - ANSWER 1) the fluid in front of and behind it
2) conjunctival blood vessels
List three conditions that could cause
corneal neovascularization - ANSWER edema, inflammation, inadequate tear
film
oxygen content
Which best describes the layers of the
human cornea - ANSWER Epithelium, Bowman's membrane,
Stroma, Descemet's membrane, Endothelium
A condition in which the cornea thins and
bulges forward is known as - ANSWER keratoconus
The medical term for the "white of the eye"
IS - ANSWER sclera
The term for a pooling of blood between the
conjunctiva and episclera is called - ANSWER Subconjunctival hemorrhage
The muscle that causes the pupil to constrict in bright light - ANSWER
Sphincter
The muscle that is responsible for opening the pupil in dark conditions -
ANSWER dilator
Describe the two major functions of the
ciliary body - ANSWER produce aqueous humor; accommodation
When optic nerve damage is present because
the rate of aqueous drainage is not equal to the production of aqueous, the
following condition is diagnosed - ANSWER glaucoma
The type of drug used to paralyze
accommodation is a - ANSWER cycloplegic
, Loss of focusing ability that relates to the
process of aging is called - ANSWER presbyopia
The choroid lies between the _______
and the ________ - ANSWER sclera, retina
The part of the retina that is used when
reading an eye chart is the - ANSWER macula
The retina is comprised of how many layers? - ANSWER 10
Explain the reason viewing color is more
difficult in dim illumination - ANSWER Cones, which are responsible for
color
discrimination, are stimulated by light
Describe the function of the eye's crystalline
lens - ANSWER Allows focus on near objects
(accommodation)
Cloudiness of the crystalline lens is known as a - ANSWER cataract
At what point do the fibers from the nasal
retina of each eye cross in the visual pathway? - ANSWER chiasm
What type of visual field defect will be
present if damage occurs to the chiasm? - ANSWER bitemporal hemianopsia
List the six extraocular muscles: - ANSWER medial rectus, inferior rectus,
lateral rectus,
superior rectus, superior oblique, inferior oblique
An eye movement in which both eyes move
toward the nose is called - ANSWER convergence
tasks a Paraoptometric might perform: - ANSWER 1) assist the optometrist 2)
supervise the office staff 3) test the visual acuity of a patient 4) order office
supplies 5) collect and record patient data
QUESTIONS WITH ALL ANSWERS VERIFIED
HIPAA - ANSWER The government agency that protects the
privacy of patients
Three basic functions of the eyelids are - ANSWER 1) Replenish and spread
tear film evenly across the surface of the eye 2) Regulate the amount of tear
fluid in the eyes 3) Protect the eye
Seven bones that form the orbit - ANSWER Maxilla, Frontal, Zygomatic,
Ethmoid,
Lacrimal, Palantine, Sphenoid.
Rapid, forceful closure of the eyelids that
protects the eye from foreign bodies and excessive light is called - ANSWER
reflex blinking
The palpebral fissure, which is the space between the eyelids, normally
measures - ANSWER 10 mm
Blepharospasm - ANSWER A condition in which the lids are so
tightly closed they cannot be opened.
Ptosis - ANSWER Drooping of the upper lid
Ectropion - ANSWER The eyelid turns outward due to loss
of elasticity of lid tissues.
Entropion - ANSWER An inward turning of the lids, causing eyelashes to
scratch the eye
The muscle responsible for eyelid closure.
is the - ANSWER orbicularis oculi
,The muscle responsible for eyelid retraction
is called the - ANSWER levator palpebrae superioris
An internal hordeolum is caused by a blockage of the ________ glands -
ANSWER Meibomian, or tarsal
The mucous membrane that covers the inside of the eyelids and the outside of
the globe is known as - ANSWER the conjunctiva
Inflammation of the conjunctiva membrane is called - ANSWER conjunctivitis
Goblet cells - ANSWER Produce oil to protect the eyelashes
from drying out and becoming brittle
lacrimal glands of Krause and Wolfring - ANSWER Sweat glands found in the
lid margin
Glands of Zeiss - ANSWER Produce mucus to aid in the stability
of tear film
Glands of Moll - ANSWER Produce the watery layer of the tear
film in conjunction with the lacrimal gland
Name the three layers of tear film - ANSWER oily layer, watery layer, mucin
layer
List four functions of the lacrimal system - ANSWER 1) Wash away debris
and cellular waste 2) Transport oxygen to the cornea 3) Inhibit growth of
bacteria, 4) provide a smooth, optically clear corneal surface
Which of the following best represents the
flow of tears - ANSWER Puncta, canaliculi, lacrimal sac, nasolacrimal duct
The fluids, or "humors," that help maintain
the shape of the eye are - ANSWER aqueous, vitreous
The function of the cornea is - ANSWER to focus, or refract, light
,The cornea receives oxygen and nutrients
from - ANSWER 1) the fluid in front of and behind it
2) conjunctival blood vessels
List three conditions that could cause
corneal neovascularization - ANSWER edema, inflammation, inadequate tear
film
oxygen content
Which best describes the layers of the
human cornea - ANSWER Epithelium, Bowman's membrane,
Stroma, Descemet's membrane, Endothelium
A condition in which the cornea thins and
bulges forward is known as - ANSWER keratoconus
The medical term for the "white of the eye"
IS - ANSWER sclera
The term for a pooling of blood between the
conjunctiva and episclera is called - ANSWER Subconjunctival hemorrhage
The muscle that causes the pupil to constrict in bright light - ANSWER
Sphincter
The muscle that is responsible for opening the pupil in dark conditions -
ANSWER dilator
Describe the two major functions of the
ciliary body - ANSWER produce aqueous humor; accommodation
When optic nerve damage is present because
the rate of aqueous drainage is not equal to the production of aqueous, the
following condition is diagnosed - ANSWER glaucoma
The type of drug used to paralyze
accommodation is a - ANSWER cycloplegic
, Loss of focusing ability that relates to the
process of aging is called - ANSWER presbyopia
The choroid lies between the _______
and the ________ - ANSWER sclera, retina
The part of the retina that is used when
reading an eye chart is the - ANSWER macula
The retina is comprised of how many layers? - ANSWER 10
Explain the reason viewing color is more
difficult in dim illumination - ANSWER Cones, which are responsible for
color
discrimination, are stimulated by light
Describe the function of the eye's crystalline
lens - ANSWER Allows focus on near objects
(accommodation)
Cloudiness of the crystalline lens is known as a - ANSWER cataract
At what point do the fibers from the nasal
retina of each eye cross in the visual pathway? - ANSWER chiasm
What type of visual field defect will be
present if damage occurs to the chiasm? - ANSWER bitemporal hemianopsia
List the six extraocular muscles: - ANSWER medial rectus, inferior rectus,
lateral rectus,
superior rectus, superior oblique, inferior oblique
An eye movement in which both eyes move
toward the nose is called - ANSWER convergence
tasks a Paraoptometric might perform: - ANSWER 1) assist the optometrist 2)
supervise the office staff 3) test the visual acuity of a patient 4) order office
supplies 5) collect and record patient data
