Question 1

Which of the following statements is TRUE?

Accepted Answer

A)  Conduction deafness results from inner ear damage. 
B)  Cochlear implants may restore hearing in cases of sensorineural loss. 
C)  Damage to the auditory area of the brain causes deafness in one ear. 
D)  Cochlear implants can replace the auditory pathway in all deaf individuals. 
A)  Conduction deafness results from inner ear damage. 
B)  Cochlear implants may restore hearing in cases of sensorineural loss. 
C)  Damage to the auditory area of the brain causes deafness in one ear. 
D)  Cochlear implants can replace the auditory pathway in all deaf individuals. B

Question 2

An infection that damages the auditory nerve can cause what type of hearing loss?

Accepted Answer

A)  Sensorineural 
B)  Conduction 
C)  Semiacute 
D)  Inflammatory 
A)  Sensorineural 
B)  Conduction 
C)  Semiacute 
D)  Inflammatory A

Question 3

The lens and cornea are nourished by:

Accepted Answer

A)  small capillaries. 
B)  tears. 
C)  vitreous humor. 
D)  aqueous humor. 
A)  small capillaries. 
B)  tears. 
C)  vitreous humor. 
D)  aqueous humor. D

Question 4

Trachoma is indicated by the presence of:

Accepted Answer

A)  purulent exudate and red sclerae. 
B)  corneal abrasions by the infected eyelids. 
C)  diplopia and cloudy lens. 
D)  ptosis and fixed dilation of the pupil. 
A)  purulent exudate and red sclerae. 
B)  corneal abrasions by the infected eyelids. 
C)  diplopia and cloudy lens. 
D)  ptosis and fixed dilation of the pupil.

Question 5

What is the basic pathological change with macular degeneration?

Accepted Answer

A)  Increased amount of aqueous humor in the eye 
B)  Movement of vitreous humor between the retina and the choroid 
C)  Degeneration of the retinal cells in the fovea centralis 
D)  Damage to the optic nerve and meninges 
A)  Increased amount of aqueous humor in the eye 
B)  Movement of vitreous humor between the retina and the choroid 
C)  Degeneration of the retinal cells in the fovea centralis 
D)  Damage to the optic nerve and meninges

Question 6

Which of the following is caused by an irregular curvature of the cornea or lens?

Accepted Answer

A)  Nystagmus 
B)  Astigmatism 
C)  Hyperopia 
D)  Strabismus 
A)  Nystagmus 
B)  Astigmatism 
C)  Hyperopia 
D)  Strabismus

Question 7

Which of the following is an example of conduction deafness?

Accepted Answer

A)  Damage to the organ of Corti 
B)  Degeneration of cranial nerve VIII 
C)  Adhesions reducing the movement of the ossicles 
D)  Trauma affecting the temporal lobe 
A)  Damage to the organ of Corti 
B)  Degeneration of cranial nerve VIII 
C)  Adhesions reducing the movement of the ossicles 
D)  Trauma affecting the temporal lobe

Question 8

Herpes simplex virus is a common cause of:

Accepted Answer

A)  conjunctivitis. 
B)  corneal ulceration and scarring. 
C)  eye infection in the neonate. 
D)  total blindness. 
A)  conjunctivitis. 
B)  corneal ulceration and scarring. 
C)  eye infection in the neonate. 
D)  total blindness.

Question 9

Loss of the left visual field results from damage to the:

Accepted Answer

A)  left optic nerve. 
B)  right optic nerve. 
C)  left occipital lobe. 
D)  right occipital lobe. 
A)  left optic nerve. 
B)  right optic nerve. 
C)  left occipital lobe. 
D)  right occipital lobe.

Question 10

Which disorder is manifested by loss of peripheral vision?

Accepted Answer

A)  Retinal detachment 
B)  Chronic (wide-angle) glaucoma 
C)  Cataract 
D)  Macular degeneration 
A)  Retinal detachment 
B)  Chronic (wide-angle) glaucoma 
C)  Cataract 
D)  Macular degeneration

Question 11

Which fluid is found surrounding the optic disc?

Accepted Answer

A)  Aqueous humor 
B)  Vitreous humor 
C)  Cerebrospinal fluid 
D)  Tears 
A)  Aqueous humor 
B)  Vitreous humor 
C)  Cerebrospinal fluid 
D)  Tears

Question 12

Which of the following is a likely consequence of an untreated detached retina?

Accepted Answer

A)  Lack of nutrients causing death of retinal cells 
B)  Edema of the cornea causing blurred vision 
C)  Cupping of the optic disc with damage to the optic nerve 
D)  Damage to the fovea centralis 
A)  Lack of nutrients causing death of retinal cells 
B)  Edema of the cornea causing blurred vision 
C)  Cupping of the optic disc with damage to the optic nerve 
D)  Damage to the fovea centralis

Question 13

Why does vertigo occur with Ménière's syndrome?

Accepted Answer

A)  Fluid is lost from the inner ear. 
B)  Increased blood pressure causes edema in the middle and inner ears. 
C)  Damage occurs to the vestibular branch of the auditory nerve. 
D)  Excessive endolymph impairs the function of hair cells in the labyrinth. 
A)  Fluid is lost from the inner ear. 
B)  Increased blood pressure causes edema in the middle and inner ears. 
C)  Damage occurs to the vestibular branch of the auditory nerve. 
D)  Excessive endolymph impairs the function of hair cells in the labyrinth.

Question 14

The area providing the greatest visual acuity is the:

Accepted Answer

A)  Macula lutea 
B)  Fovea centralis 
C)  Optic disc 
D)  Lens 
A)  Macula lutea 
B)  Fovea centralis 
C)  Optic disc 
D)  Lens

Question 15

Trachoma is an eye infection caused by:

Accepted Answer

A)  influenza virus. 
B)  Candida albicans. 
C)  Staphylococcus bacteria. 
D)  Chlamydia bacteria. 
A)  influenza virus. 
B)  Candida albicans. 
C)  Staphylococcus bacteria. 
D)  Chlamydia bacteria.

Question 16

How does otosclerosis cause hearing loss?

Accepted Answer

A)  Fixation of the stapes to the oval window 
B)  Adhesions between the ossicles 
C)  Fibrosis in the tympanic membrane 
D)  Overgrowth of bone obstructing the auditory tube 
A)  Fixation of the stapes to the oval window 
B)  Adhesions between the ossicles 
C)  Fibrosis in the tympanic membrane 
D)  Overgrowth of bone obstructing the auditory tube

Question 17

The involuntary abnormal movement of one or both eyes is referred to as:

Accepted Answer

A)  strabismus. 
B)  nystagmus. 
C)  presbyopia. 
D)  diplopia. 
A)  strabismus. 
B)  nystagmus. 
C)  presbyopia. 
D)  diplopia.

Question 18

What does the inner ear contain?

Accepted Answer

A)  Malleus, incus, and stapes 
B)  Organ of Corti and semicircular canals 
C)  Tympanic membrane and auditory canal 
D)  Ossicles and oval window 
A)  Malleus, incus, and stapes 
B)  Organ of Corti and semicircular canals 
C)  Tympanic membrane and auditory canal 
D)  Ossicles and oval window

Question 19

Which is the early effect of age-related macular degeneration?

Accepted Answer

A)  Loss of central visual acuity 
B)  Intermittent pain and blurred vision 
C)  Loss of peripheral vision 
D)  Loss of night vision and color perception 
A)  Loss of central visual acuity 
B)  Intermittent pain and blurred vision 
C)  Loss of peripheral vision 
D)  Loss of night vision and color perception

Question 20

In a case of acute otitis media, what would a purulent discharge in the external canal of the ear and some pain relief likely indicate?

Accepted Answer

A)  Infection of the external ear 
B)  Obstruction of the auditory tube 
C)  Rupture of the tympanic membrane 
D)  Spread of infection into the mastoid cells 
A)  Infection of the external ear 
B)  Obstruction of the auditory tube 
C)  Rupture of the tympanic membrane 
D)  Spread of infection into the mastoid cells

Exam 15: Disorders of the Eye, Ear, and Other Sensory Organs

Which of the following statements is TRUE?

An infection that damages the auditory nerve can cause what type of hearing loss?

The lens and cornea are nourished by:

Trachoma is indicated by the presence of:

What is the basic pathological change with macular degeneration?

Which of the following is caused by an irregular curvature of the cornea or lens?

Which of the following is an example of conduction deafness?

Herpes simplex virus is a common cause of:

Loss of the left visual field results from damage to the:

Which disorder is manifested by loss of peripheral vision?

Which fluid is found surrounding the optic disc?

Which of the following is a likely consequence of an untreated detached retina?

Why does vertigo occur with Ménière's syndrome?

The area providing the greatest visual acuity is the:

Trachoma is an eye infection caused by:

How does otosclerosis cause hearing loss?

The involuntary abnormal movement of one or both eyes is referred to as:

What does the inner ear contain?

Which is the early effect of age-related macular degeneration?

In a case of acute otitis media, what would a purulent discharge in the external canal of the ear and some pain relief likely indicate?

Introduction to Pathophysiology

Fluid, Electrolyte, and Acid-Base Imbalances

Introduction to Basic Pharmacology and Other Common Therapies

Pain

Inflammation and Healing

Infection

Immunity

Skin Disorders

Musculoskeletal Disorders

Blood and Circulatory System Disorders

Lymphatic System Disorders

Cardiovascular System Disorders

Respiratory System Disorders

Neurological Disorders

Endocrine System Disorders

Digestive System Disorders

Urinary System Disorders

Reproductive System Disorders

Neoplasms and Cancer

Congenital and Genetic Disorders

Complications Due to Pregnancy

Complications Due to Adolescence

Complications Due to Aging

Immobility and Associated Problems

Stress and Associated Problems

Substance Abuse and Associated Problems

Environmental Hazards and Associated Problems

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