Deck 13: Assisting in Ophthalmology and Otolaryngology

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Question
While playing tennis,Ms.Brown is hit in the eye with a ball and experiences pain and swelling.Whom should she call for an appointment?

A) Ophthalmologist
B) Optician
C) Optometrist
D) Any of the above
Use Space or
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to flip the card.
Question
Under what circumstances must sterile techniques be used in performing ophthalmic procedures?

A) Only when the eye is lacerated or ulcerated
B) During all examination and testing procedures
C) When any instrument or application touches the eye or surrounding area and when any irrigation solution or medication is instilled
Question
Clouding that develops in the lens of the eye is known as

A) glaucoma.
B) a cataract.
C) ptosis.
D) a stye.
Question
When testing a patient's far visual acuity,the medical assistant uses which type of chart?

A) Snellen
B) Ishihara
C) Bradford
D) Rosenthal
Question
When instilling ear drops in an adult who is lying down,you should gently pull the pinna in which direction to straighten the ear canal?

A) Up and back
B) Straight down
C) Down and away from head
D) The canal need not be straightened if the patient is lying on his or her side.
Question
A physician who specializes in the diagnosis and treatment of the disorders and diseases of the eye is a(n)

A) DO.
B) ophthalmologist.
C) optician.
D) Ophthalmologist.
Question
When instilling ear drops in an adult,pull the pinna

A) up and back.
B) down and front.
Question
The average person blinks two or three times a second to

A) rest the eyes briefly.
B) cleanse the eyes.
C) refocus the eyes.
D) avoid eyestrain.
Question
A near vision screening test,which can be used in the physician's office,can screen the patient for which vision problem?

A) Myopia
B) Astigmatism
C) Presbyopia
D) Presbycusis
Question
A patient diagnosed with increased intraocular pressure has

A) glaucoma.
B) a cataract.
C) ptosis.
D) a stye.
Question
A patient diagnosed with myopia has which refractive problem?

A) Light rays entering the eye focus behind the retina.
B) Light rays entering the eye focus in front of the retina.
C) The focusing of light rays entering the eye is irregular.
D) The eye has difficulty changing the point of focus from distance to near.
Question
The medical term for a drooping eyelid is

A) glaucoma.
B) a cataract.
C) blepharoptosis.
D) a stye.
Question
Which of the following is true about the aqueous humor of the eye?

A) It is located in the anterior cavity of the eye between the cornea and the lens.
B) It helps maintain normal pressure in the eye.
C) It is continuously produced by the ciliary processes to nourish tissues.
D) All of the above are true.
Question
A patient with hyperopia has difficulty seeing objects

A) because of ciliary muscle weakness.
B) at reading or working level.
C) because of an irregularly shaped lens.
D) at a distance.
Question
An optician is an important member of the eye care team who is responsible for

A) performing eye examinations.
B) writing prescriptions for corrective lenses.
C) preparing corrective lenses from physicians' prescriptions.
D) screening patients for vision abnormalities.
Question
Which potentially destructive disorder of the eye is characterized by increased fluid inside the eyeball?

A) Cataracts
B) Conjunctivitis
C) Glaucoma
D) Strabismus
Question
Which of the following is true about an error of refraction?

A) Light rays are not being bent properly to focus on the retina.
B) Light rays are not being expanded as they should be.
C) The rods and cones are not functioning.
D) The retina lacks a sufficient blood supply.
Question
The neurologic center of vision is located in the

A) retina.
B) cornea.
C) fovea centralis.
D) optic disc.
Question
Which of the following is acceptable when administering the Snellen visual acuity test?

A) Placing the chart permanently on the wall at the eye level of the average adult
B) Instructing the patient to close the eye not being tested
C) Having the patient sit during the test
D) Allowing the patient to squint
Question
Where is the tuning fork placed when the Weber test is performed?

A) On the mastoid process
B) On the center of the top of the head
C) One inch from the opening of the ear canal
D) One foot from the front of the face
Question
Which statement is not true about a sensorineural hearing loss?

A) It affects aging individuals as presbycusis.
B) It is caused by otosclerosis.
C) Hearing aids are not as effective for it.
D) It may be caused by rubella or influenza.
Question
Which of the following choroid structures regulates the shape of the lens and secretes aqueous humor?

A) Ciliary body
B) Retina
C) Iris
D) Sclera
Question
Which of the following structures contains the auditory ossicles?

A) Auricle
B) External auditory canal
C) Tympanic cavity
D) Labyrinth
Question
The correct method for performing an eye irrigation includes

A) applying a sterile solution from the inner canthus outward.
B) applying the solution directly to the eyeball.
C) directing the solution toward the lower conjunctival sac.
D) A and B
E) A and C
Question
Which of the following conditions exhibits with purulent fluid present in the middle ear and causes the patient to have pain,fever,and hearing loss?

A) Serious otitis media
B) Suppurative otitis media
C) Otitis externa
D) Ménière's disease
E) All of the above
Question
Which of the following professionals can perform eye examinations,diagnose eye disorders,and perform optic surgery?

A) Ophthalmologist
B) Optometrist
C) Optician
D) All of the above
Question
A sensation of noise or ringing in the ears is called

A) otosclerosis.
B) presbycusis.
C) tinitis.
D) tinnitus.
Question
In individuals over age 40,the elasticity of the internal lens of the eye is diminished;this condition is called __________.
Question
A patient with repeated involuntary eye movements would be diagnosed with

A) strabismus.
B) nystagmus.
C) astigmatism.
D) refractive errors.
Question
__________ causes the auditory ossicles to become fixed,resulting in a vibration hearing deficit.
Question
Which of the following tests are tested with corrective lenses unless the provider requests it?

A) Distance visual acuity
B) Near visual acuity
C) Ishihara color vision test
D) Both A and B
E) All of the above
Question
Which of the following is one of the most common and serious ocular disorders,characterized by increased ocular pressure,and causes blindness if left untreated?

A) Corneal abrasion
B) Cataracts
C) Glaucoma
D) Macular degeneration
Question
Treatment for a corneal abrasion includes

A) antibiotic ointment.
B) patching the affected eye.
C) ophthalmic NSAIDs.
D) A and C
Question
Which of the following tests measures the lowest intensity of sound an individual can hear?

A) Audiometric testing
B) Weber test
C) Rinne test
D) Tuning fork testing
Question
Which of the following structures is/are located in the retina?

A) Rods and cones
B) Optic nerve
C) Optic disc
D) Fovea centralis
E) All of the above
Question
The medical term for the earwax formed by glands lining the external auditory canal is

A) serumen.
B) cerumen.
C) ceruman.
D) cerumane.
Question
Which of the following is inflammation of the glands and lash follicles that may be caused by staphylococcal infection?

A) Conjunctivitis
B) Blepharitis
C) Keratitis
D) Chalazion
E) Hordeolum
Question
__________ errors occur when the eye is unable to focus light effectively on the retina.
Question
Conduction hearing loss can be caused by all of the following except

A) impacted cerumen.
B) ototoxic medications.
C) fluid in the middle ear.
D) chronic ear infections.
Question
The ideal exam room for the Ishihara test

A) is well-lit with overhead lights.
B) is lit primarily by sunlight.
C) has plenty of room for the patient to stand 3 feet from the charts.
Question
A form of strabismus seen in young children is __________.
Question
The medical term for swimmer's ear is otitis externa.
Question
When light focuses behind the retina,the patient is diagnosed with __________.
Question
Inflammation of the glands and lash follicles along the margins of the eyelid is called __________.
Question
__________ is a sensorineural hearing loss that occurs with aging.
Question
Nearsightedness,or __________,occurs when light rays entering the eye focus in front of the retina.
Question
An angry mother calls the office because no antibiotics had been prescribed for her child's otitis media,which she had reported earlier in the day.Following the office policy developed by the physician,Kim shares with the mother the most up-to-date recommendations on the treatment of otitis media.Summarize these recommendations.
Question
__________ results in the loss of central vision and ultimately leads to blindness.
Question
Summarize the purpose of eye irrigations and the instillation of eye medications.
Question
__________ is a procedure in which high-intensity sound waves are used to break up a cataract before it is removed.
Question
A child with __________ has involuntary movement of one or both eyes;this condition is often seen with multiple congenital abnormalities.
Question
__________ eye drops are used to treat open-angle glaucoma.
Question
The patient may stand 15 feet from the Snellen chart during the examination.
Question
__________ is a highly infectious disease,typically caused by staphylococcal bacteria,that causes edema,a purulent discharge,and inflammation of the eye.
Question
The __________ in the inner ear are responsible for maintaining balance and equilibrium.
Question
Amblyopia is an example of failure of the eyes to track together,a condition known as __________.
Question
In ______________,heat is used to reshape the cornea in patients over age 40.
Question
Amblyopia is an abnormal sensitivity to light.
Question
In a surgical procedure called __________,an excimer laser is used to treat refractive errors.
Question
The __________ within the cochlea is lined with hairlike sensory cells;these cells are surrounded by nerve fibers that stimulate the eighth cranial nerve,resulting in sound.
Question
A miotic medication causes the pupil to constrict.
Question
For the Ishihara test,the patient is instructed to read the plates with both eyes open.
Question
The vitreous humor helps maintain the shape of the anterior portion of the eye.
Question
Conduction hearing loss is caused by a problem that originates in the cochlea.
Question
The medical term for nearsightedness is presbycusis.
Question
The medical term for a stye is hordeolum.
Question
Color is interpreted in the retina through specialized structures called cones.
Question
The semicircular canals are responsible for maintaining balance and equilibrium.
Question
Otosclerosis is a form of conduction deafness that causes the auditory ossicles to become fixed and unable to vibrate when sound waves enter the ears.
Question
The function of the eustachian tube is to equalize pressure in the middle ear with that in the external auditory canal.
Question
Ringing of the ears is measured with an instrument called a tonometer.
Question
A patient with photophobia is afraid to leave home.
Question
The Snellen eye chart should be placed 20 feet from the patient at the eye level of the examiner.
Question
Ophthalmic ointments should be carefully applied across the center of the eyeball.
Question
When cleansing the patient's eyelashes before performing an irrigation,you should clean from the outer canthus to the inner canthus.
Question
Refraction is the ability of the lens of the eye to bend light rays so that they simultaneously focus on the cornea.
Question
If the patient starts to squint or lean forward during a Snellen exam,the medical assistant should continue to go down the rows until the patient makes more than two errors.
Question
The olfactory nerve is the cranial nerve that carries impulses for the sense of sight.
Question
Mydriatic eye drops are applied before an eye examination to dilate the pupils.
Question
The eye's ability to see various-sized objects at different distances is called adjustment.
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Deck 13: Assisting in Ophthalmology and Otolaryngology
1
While playing tennis,Ms.Brown is hit in the eye with a ball and experiences pain and swelling.Whom should she call for an appointment?

A) Ophthalmologist
B) Optician
C) Optometrist
D) Any of the above
Ophthalmologist
2
Under what circumstances must sterile techniques be used in performing ophthalmic procedures?

A) Only when the eye is lacerated or ulcerated
B) During all examination and testing procedures
C) When any instrument or application touches the eye or surrounding area and when any irrigation solution or medication is instilled
When any instrument or application touches the eye or surrounding area and when any irrigation solution or medication is instilled
3
Clouding that develops in the lens of the eye is known as

A) glaucoma.
B) a cataract.
C) ptosis.
D) a stye.
a cataract.
4
When testing a patient's far visual acuity,the medical assistant uses which type of chart?

A) Snellen
B) Ishihara
C) Bradford
D) Rosenthal
Unlock Deck
Unlock for access to all 84 flashcards in this deck.
Unlock Deck
k this deck
5
When instilling ear drops in an adult who is lying down,you should gently pull the pinna in which direction to straighten the ear canal?

A) Up and back
B) Straight down
C) Down and away from head
D) The canal need not be straightened if the patient is lying on his or her side.
Unlock Deck
Unlock for access to all 84 flashcards in this deck.
Unlock Deck
k this deck
6
A physician who specializes in the diagnosis and treatment of the disorders and diseases of the eye is a(n)

A) DO.
B) ophthalmologist.
C) optician.
D) Ophthalmologist.
Unlock Deck
Unlock for access to all 84 flashcards in this deck.
Unlock Deck
k this deck
7
When instilling ear drops in an adult,pull the pinna

A) up and back.
B) down and front.
Unlock Deck
Unlock for access to all 84 flashcards in this deck.
Unlock Deck
k this deck
8
The average person blinks two or three times a second to

A) rest the eyes briefly.
B) cleanse the eyes.
C) refocus the eyes.
D) avoid eyestrain.
Unlock Deck
Unlock for access to all 84 flashcards in this deck.
Unlock Deck
k this deck
9
A near vision screening test,which can be used in the physician's office,can screen the patient for which vision problem?

A) Myopia
B) Astigmatism
C) Presbyopia
D) Presbycusis
Unlock Deck
Unlock for access to all 84 flashcards in this deck.
Unlock Deck
k this deck
10
A patient diagnosed with increased intraocular pressure has

A) glaucoma.
B) a cataract.
C) ptosis.
D) a stye.
Unlock Deck
Unlock for access to all 84 flashcards in this deck.
Unlock Deck
k this deck
11
A patient diagnosed with myopia has which refractive problem?

A) Light rays entering the eye focus behind the retina.
B) Light rays entering the eye focus in front of the retina.
C) The focusing of light rays entering the eye is irregular.
D) The eye has difficulty changing the point of focus from distance to near.
Unlock Deck
Unlock for access to all 84 flashcards in this deck.
Unlock Deck
k this deck
12
The medical term for a drooping eyelid is

A) glaucoma.
B) a cataract.
C) blepharoptosis.
D) a stye.
Unlock Deck
Unlock for access to all 84 flashcards in this deck.
Unlock Deck
k this deck
13
Which of the following is true about the aqueous humor of the eye?

A) It is located in the anterior cavity of the eye between the cornea and the lens.
B) It helps maintain normal pressure in the eye.
C) It is continuously produced by the ciliary processes to nourish tissues.
D) All of the above are true.
Unlock Deck
Unlock for access to all 84 flashcards in this deck.
Unlock Deck
k this deck
14
A patient with hyperopia has difficulty seeing objects

A) because of ciliary muscle weakness.
B) at reading or working level.
C) because of an irregularly shaped lens.
D) at a distance.
Unlock Deck
Unlock for access to all 84 flashcards in this deck.
Unlock Deck
k this deck
15
An optician is an important member of the eye care team who is responsible for

A) performing eye examinations.
B) writing prescriptions for corrective lenses.
C) preparing corrective lenses from physicians' prescriptions.
D) screening patients for vision abnormalities.
Unlock Deck
Unlock for access to all 84 flashcards in this deck.
Unlock Deck
k this deck
16
Which potentially destructive disorder of the eye is characterized by increased fluid inside the eyeball?

A) Cataracts
B) Conjunctivitis
C) Glaucoma
D) Strabismus
Unlock Deck
Unlock for access to all 84 flashcards in this deck.
Unlock Deck
k this deck
17
Which of the following is true about an error of refraction?

A) Light rays are not being bent properly to focus on the retina.
B) Light rays are not being expanded as they should be.
C) The rods and cones are not functioning.
D) The retina lacks a sufficient blood supply.
Unlock Deck
Unlock for access to all 84 flashcards in this deck.
Unlock Deck
k this deck
18
The neurologic center of vision is located in the

A) retina.
B) cornea.
C) fovea centralis.
D) optic disc.
Unlock Deck
Unlock for access to all 84 flashcards in this deck.
Unlock Deck
k this deck
19
Which of the following is acceptable when administering the Snellen visual acuity test?

A) Placing the chart permanently on the wall at the eye level of the average adult
B) Instructing the patient to close the eye not being tested
C) Having the patient sit during the test
D) Allowing the patient to squint
Unlock Deck
Unlock for access to all 84 flashcards in this deck.
Unlock Deck
k this deck
20
Where is the tuning fork placed when the Weber test is performed?

A) On the mastoid process
B) On the center of the top of the head
C) One inch from the opening of the ear canal
D) One foot from the front of the face
Unlock Deck
Unlock for access to all 84 flashcards in this deck.
Unlock Deck
k this deck
21
Which statement is not true about a sensorineural hearing loss?

A) It affects aging individuals as presbycusis.
B) It is caused by otosclerosis.
C) Hearing aids are not as effective for it.
D) It may be caused by rubella or influenza.
Unlock Deck
Unlock for access to all 84 flashcards in this deck.
Unlock Deck
k this deck
22
Which of the following choroid structures regulates the shape of the lens and secretes aqueous humor?

A) Ciliary body
B) Retina
C) Iris
D) Sclera
Unlock Deck
Unlock for access to all 84 flashcards in this deck.
Unlock Deck
k this deck
23
Which of the following structures contains the auditory ossicles?

A) Auricle
B) External auditory canal
C) Tympanic cavity
D) Labyrinth
Unlock Deck
Unlock for access to all 84 flashcards in this deck.
Unlock Deck
k this deck
24
The correct method for performing an eye irrigation includes

A) applying a sterile solution from the inner canthus outward.
B) applying the solution directly to the eyeball.
C) directing the solution toward the lower conjunctival sac.
D) A and B
E) A and C
Unlock Deck
Unlock for access to all 84 flashcards in this deck.
Unlock Deck
k this deck
25
Which of the following conditions exhibits with purulent fluid present in the middle ear and causes the patient to have pain,fever,and hearing loss?

A) Serious otitis media
B) Suppurative otitis media
C) Otitis externa
D) Ménière's disease
E) All of the above
Unlock Deck
Unlock for access to all 84 flashcards in this deck.
Unlock Deck
k this deck
26
Which of the following professionals can perform eye examinations,diagnose eye disorders,and perform optic surgery?

A) Ophthalmologist
B) Optometrist
C) Optician
D) All of the above
Unlock Deck
Unlock for access to all 84 flashcards in this deck.
Unlock Deck
k this deck
27
A sensation of noise or ringing in the ears is called

A) otosclerosis.
B) presbycusis.
C) tinitis.
D) tinnitus.
Unlock Deck
Unlock for access to all 84 flashcards in this deck.
Unlock Deck
k this deck
28
In individuals over age 40,the elasticity of the internal lens of the eye is diminished;this condition is called __________.
Unlock Deck
Unlock for access to all 84 flashcards in this deck.
Unlock Deck
k this deck
29
A patient with repeated involuntary eye movements would be diagnosed with

A) strabismus.
B) nystagmus.
C) astigmatism.
D) refractive errors.
Unlock Deck
Unlock for access to all 84 flashcards in this deck.
Unlock Deck
k this deck
30
__________ causes the auditory ossicles to become fixed,resulting in a vibration hearing deficit.
Unlock Deck
Unlock for access to all 84 flashcards in this deck.
Unlock Deck
k this deck
31
Which of the following tests are tested with corrective lenses unless the provider requests it?

A) Distance visual acuity
B) Near visual acuity
C) Ishihara color vision test
D) Both A and B
E) All of the above
Unlock Deck
Unlock for access to all 84 flashcards in this deck.
Unlock Deck
k this deck
32
Which of the following is one of the most common and serious ocular disorders,characterized by increased ocular pressure,and causes blindness if left untreated?

A) Corneal abrasion
B) Cataracts
C) Glaucoma
D) Macular degeneration
Unlock Deck
Unlock for access to all 84 flashcards in this deck.
Unlock Deck
k this deck
33
Treatment for a corneal abrasion includes

A) antibiotic ointment.
B) patching the affected eye.
C) ophthalmic NSAIDs.
D) A and C
Unlock Deck
Unlock for access to all 84 flashcards in this deck.
Unlock Deck
k this deck
34
Which of the following tests measures the lowest intensity of sound an individual can hear?

A) Audiometric testing
B) Weber test
C) Rinne test
D) Tuning fork testing
Unlock Deck
Unlock for access to all 84 flashcards in this deck.
Unlock Deck
k this deck
35
Which of the following structures is/are located in the retina?

A) Rods and cones
B) Optic nerve
C) Optic disc
D) Fovea centralis
E) All of the above
Unlock Deck
Unlock for access to all 84 flashcards in this deck.
Unlock Deck
k this deck
36
The medical term for the earwax formed by glands lining the external auditory canal is

A) serumen.
B) cerumen.
C) ceruman.
D) cerumane.
Unlock Deck
Unlock for access to all 84 flashcards in this deck.
Unlock Deck
k this deck
37
Which of the following is inflammation of the glands and lash follicles that may be caused by staphylococcal infection?

A) Conjunctivitis
B) Blepharitis
C) Keratitis
D) Chalazion
E) Hordeolum
Unlock Deck
Unlock for access to all 84 flashcards in this deck.
Unlock Deck
k this deck
38
__________ errors occur when the eye is unable to focus light effectively on the retina.
Unlock Deck
Unlock for access to all 84 flashcards in this deck.
Unlock Deck
k this deck
39
Conduction hearing loss can be caused by all of the following except

A) impacted cerumen.
B) ototoxic medications.
C) fluid in the middle ear.
D) chronic ear infections.
Unlock Deck
Unlock for access to all 84 flashcards in this deck.
Unlock Deck
k this deck
40
The ideal exam room for the Ishihara test

A) is well-lit with overhead lights.
B) is lit primarily by sunlight.
C) has plenty of room for the patient to stand 3 feet from the charts.
Unlock Deck
Unlock for access to all 84 flashcards in this deck.
Unlock Deck
k this deck
41
A form of strabismus seen in young children is __________.
Unlock Deck
Unlock for access to all 84 flashcards in this deck.
Unlock Deck
k this deck
42
The medical term for swimmer's ear is otitis externa.
Unlock Deck
Unlock for access to all 84 flashcards in this deck.
Unlock Deck
k this deck
43
When light focuses behind the retina,the patient is diagnosed with __________.
Unlock Deck
Unlock for access to all 84 flashcards in this deck.
Unlock Deck
k this deck
44
Inflammation of the glands and lash follicles along the margins of the eyelid is called __________.
Unlock Deck
Unlock for access to all 84 flashcards in this deck.
Unlock Deck
k this deck
45
__________ is a sensorineural hearing loss that occurs with aging.
Unlock Deck
Unlock for access to all 84 flashcards in this deck.
Unlock Deck
k this deck
46
Nearsightedness,or __________,occurs when light rays entering the eye focus in front of the retina.
Unlock Deck
Unlock for access to all 84 flashcards in this deck.
Unlock Deck
k this deck
47
An angry mother calls the office because no antibiotics had been prescribed for her child's otitis media,which she had reported earlier in the day.Following the office policy developed by the physician,Kim shares with the mother the most up-to-date recommendations on the treatment of otitis media.Summarize these recommendations.
Unlock Deck
Unlock for access to all 84 flashcards in this deck.
Unlock Deck
k this deck
48
__________ results in the loss of central vision and ultimately leads to blindness.
Unlock Deck
Unlock for access to all 84 flashcards in this deck.
Unlock Deck
k this deck
49
Summarize the purpose of eye irrigations and the instillation of eye medications.
Unlock Deck
Unlock for access to all 84 flashcards in this deck.
Unlock Deck
k this deck
50
__________ is a procedure in which high-intensity sound waves are used to break up a cataract before it is removed.
Unlock Deck
Unlock for access to all 84 flashcards in this deck.
Unlock Deck
k this deck
51
A child with __________ has involuntary movement of one or both eyes;this condition is often seen with multiple congenital abnormalities.
Unlock Deck
Unlock for access to all 84 flashcards in this deck.
Unlock Deck
k this deck
52
__________ eye drops are used to treat open-angle glaucoma.
Unlock Deck
Unlock for access to all 84 flashcards in this deck.
Unlock Deck
k this deck
53
The patient may stand 15 feet from the Snellen chart during the examination.
Unlock Deck
Unlock for access to all 84 flashcards in this deck.
Unlock Deck
k this deck
54
__________ is a highly infectious disease,typically caused by staphylococcal bacteria,that causes edema,a purulent discharge,and inflammation of the eye.
Unlock Deck
Unlock for access to all 84 flashcards in this deck.
Unlock Deck
k this deck
55
The __________ in the inner ear are responsible for maintaining balance and equilibrium.
Unlock Deck
Unlock for access to all 84 flashcards in this deck.
Unlock Deck
k this deck
56
Amblyopia is an example of failure of the eyes to track together,a condition known as __________.
Unlock Deck
Unlock for access to all 84 flashcards in this deck.
Unlock Deck
k this deck
57
In ______________,heat is used to reshape the cornea in patients over age 40.
Unlock Deck
Unlock for access to all 84 flashcards in this deck.
Unlock Deck
k this deck
58
Amblyopia is an abnormal sensitivity to light.
Unlock Deck
Unlock for access to all 84 flashcards in this deck.
Unlock Deck
k this deck
59
In a surgical procedure called __________,an excimer laser is used to treat refractive errors.
Unlock Deck
Unlock for access to all 84 flashcards in this deck.
Unlock Deck
k this deck
60
The __________ within the cochlea is lined with hairlike sensory cells;these cells are surrounded by nerve fibers that stimulate the eighth cranial nerve,resulting in sound.
Unlock Deck
Unlock for access to all 84 flashcards in this deck.
Unlock Deck
k this deck
61
A miotic medication causes the pupil to constrict.
Unlock Deck
Unlock for access to all 84 flashcards in this deck.
Unlock Deck
k this deck
62
For the Ishihara test,the patient is instructed to read the plates with both eyes open.
Unlock Deck
Unlock for access to all 84 flashcards in this deck.
Unlock Deck
k this deck
63
The vitreous humor helps maintain the shape of the anterior portion of the eye.
Unlock Deck
Unlock for access to all 84 flashcards in this deck.
Unlock Deck
k this deck
64
Conduction hearing loss is caused by a problem that originates in the cochlea.
Unlock Deck
Unlock for access to all 84 flashcards in this deck.
Unlock Deck
k this deck
65
The medical term for nearsightedness is presbycusis.
Unlock Deck
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Unlock Deck
k this deck
66
The medical term for a stye is hordeolum.
Unlock Deck
Unlock for access to all 84 flashcards in this deck.
Unlock Deck
k this deck
67
Color is interpreted in the retina through specialized structures called cones.
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Unlock for access to all 84 flashcards in this deck.
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k this deck
68
The semicircular canals are responsible for maintaining balance and equilibrium.
Unlock Deck
Unlock for access to all 84 flashcards in this deck.
Unlock Deck
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69
Otosclerosis is a form of conduction deafness that causes the auditory ossicles to become fixed and unable to vibrate when sound waves enter the ears.
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70
The function of the eustachian tube is to equalize pressure in the middle ear with that in the external auditory canal.
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71
Ringing of the ears is measured with an instrument called a tonometer.
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72
A patient with photophobia is afraid to leave home.
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73
The Snellen eye chart should be placed 20 feet from the patient at the eye level of the examiner.
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74
Ophthalmic ointments should be carefully applied across the center of the eyeball.
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75
When cleansing the patient's eyelashes before performing an irrigation,you should clean from the outer canthus to the inner canthus.
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76
Refraction is the ability of the lens of the eye to bend light rays so that they simultaneously focus on the cornea.
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77
If the patient starts to squint or lean forward during a Snellen exam,the medical assistant should continue to go down the rows until the patient makes more than two errors.
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78
The olfactory nerve is the cranial nerve that carries impulses for the sense of sight.
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79
Mydriatic eye drops are applied before an eye examination to dilate the pupils.
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80
The eye's ability to see various-sized objects at different distances is called adjustment.
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