Chapter 15: Disorders of the Eye, Ear, and Other Sensory Organs
Test Bank
MULTIPLE CHOICE
1. What do the extrinsic muscles of the eye control?
a. Movement of the eyeball
b. Movement of the eyelid
c. Size of the pupil
d. Shape of the lens
ANS: A REF: 387
2. What must happen for the pupil of the eye to dilate?
a. The circular muscle of the iris must contract.
b. Cranial nerve III must be activated.
c. Stimulation of the sympathetic nervous system is required.
d. The optic nerve must be stimulated.
ANS: C REF: 387
3. Which of the following is caused by an irregular curvature of the cornea or lens?
a. Nystagmus
b. Astigmatism
c. Hyperopia
d. Strabismus
ANS: B REF: 389
4. Trachoma is an eye infection caused by:
a. influenza virus.
b. Candida albicans.
c. Staphylococcus bacteria.
d. Chlamydia bacteria.
ANS: D REF: 391
5. Which statement does NOT apply to chronic glaucoma?
a. Degeneration and obstruction of the trabecular network
b. Gradual increase in intraocular pressure
c. Abnormally narrow angle between the cornea and iris
d. Damage to the retina and optic nerve
ANS: C REF: 391-392
6. Which disorder is manifested by loss of peripheral vision?
a. Retinal detachment
b. Chronic (wide-angle) glaucoma
c. Cataract
d. Macular degeneration
ANS: B REF: 392
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7. Which of the following involves a gradual clouding of the lens of the eye?
a. Glaucoma
b. Cataract
c. Macular degeneration
d. Keratitis
ANS: B REF: 393
8. Which of the following is a likely consequence of an untreated detached retina?
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
ANS: A REF: 394
9. Which of the following is a sign of a detached retina?
a. Painless blurring of vision
b. Eye pain, halos around lights, and nausea
c. Progressive loss of central vision
d. No pain, development of a dark area in the visual field
ANS: D REF: 394
10. What is the basic pathological change with macular degeneration?
a. Increased amount of aqueous humor in the eye
b. Movement of vitreous humor N beUtRwSeIeNnGtThBe.CreOtM
ina and the choroid
c. Degeneration of the retinal cells in the fovea centralis
d. Damage to the optic nerve and meninges
ANS: C REF: 394
11. What does the inner ear contain?
a. Malleus, incus, and stapes
b. Organ of Corti and semicircular canals
c. Tympanic membrane and auditory canal
d. Ossicles and oval window
ANS: B REF: 395
12. Which of the following is an example of conduction deafness?
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
ANS: C REF: 396
13. 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?
a. Infection of the external ear
b. Obstruction of the auditory tube
Test Bank
MULTIPLE CHOICE
1. What do the extrinsic muscles of the eye control?
a. Movement of the eyeball
b. Movement of the eyelid
c. Size of the pupil
d. Shape of the lens
ANS: A REF: 387
2. What must happen for the pupil of the eye to dilate?
a. The circular muscle of the iris must contract.
b. Cranial nerve III must be activated.
c. Stimulation of the sympathetic nervous system is required.
d. The optic nerve must be stimulated.
ANS: C REF: 387
3. Which of the following is caused by an irregular curvature of the cornea or lens?
a. Nystagmus
b. Astigmatism
c. Hyperopia
d. Strabismus
ANS: B REF: 389
4. Trachoma is an eye infection caused by:
a. influenza virus.
b. Candida albicans.
c. Staphylococcus bacteria.
d. Chlamydia bacteria.
ANS: D REF: 391
5. Which statement does NOT apply to chronic glaucoma?
a. Degeneration and obstruction of the trabecular network
b. Gradual increase in intraocular pressure
c. Abnormally narrow angle between the cornea and iris
d. Damage to the retina and optic nerve
ANS: C REF: 391-392
6. Which disorder is manifested by loss of peripheral vision?
a. Retinal detachment
b. Chronic (wide-angle) glaucoma
c. Cataract
d. Macular degeneration
ANS: B REF: 392
, GOULDS PATHOPHYSISOtuLvO
iaG
.coYmF-O
ThheTMH
R arE
rkeH
t pE
llaA
cceLttToH
BuPyR
aaO
nnddFS
S
EeeSllllSyyIooO
uurN
r SSSttuu6ddT
yy H
M
MaaEtteeD
rriia
IaT
ll ION HUBERT TEST BANK
7. Which of the following involves a gradual clouding of the lens of the eye?
a. Glaucoma
b. Cataract
c. Macular degeneration
d. Keratitis
ANS: B REF: 393
8. Which of the following is a likely consequence of an untreated detached retina?
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
ANS: A REF: 394
9. Which of the following is a sign of a detached retina?
a. Painless blurring of vision
b. Eye pain, halos around lights, and nausea
c. Progressive loss of central vision
d. No pain, development of a dark area in the visual field
ANS: D REF: 394
10. What is the basic pathological change with macular degeneration?
a. Increased amount of aqueous humor in the eye
b. Movement of vitreous humor N beUtRwSeIeNnGtThBe.CreOtM
ina and the choroid
c. Degeneration of the retinal cells in the fovea centralis
d. Damage to the optic nerve and meninges
ANS: C REF: 394
11. What does the inner ear contain?
a. Malleus, incus, and stapes
b. Organ of Corti and semicircular canals
c. Tympanic membrane and auditory canal
d. Ossicles and oval window
ANS: B REF: 395
12. Which of the following is an example of conduction deafness?
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
ANS: C REF: 396
13. 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?
a. Infection of the external ear
b. Obstruction of the auditory tube
