Question 1

Match the structure with the appropriate description.
-fovea centralis

Accepted Answer

A)  blood vessels enter and the optic nerve exits here
B)  a small yellow spot near the center of the posterior retina
C)  the portion of the retina with the greatest visual acuity
D)  a jellylike substance in the posterior cavity of the eye
E)  the fluid that fills the anterior cavity of the eyeF) A) and B)
G) C) and D)

Question 2

Otoliths

Accepted Answer

A)   amplify hearing.
B)   are part of the ampulla.
C)   are found in the semicircular canals.
D)   stimulate hair cells to produce action potentials.
E)   are found in the cochlear duct.F) D) and E)
G) B) and E)

Question 3

Match the structure with the appropriate description.
-optic disc

Accepted Answer

A)  blood vessels enter and the optic nerve exits here
B)  a small yellow spot near the center of the posterior retina
C)  the portion of the retina with the greatest visual acuity
D)  a jellylike substance in the posterior cavity of the eye
E)  the fluid that fills the anterior cavity of the eyeF) B) and C)
G) A) and E)

Question 4

Match the structure with the appropriate description.
-external ear

Accepted Answer

A)  eardrum
B)  part of the ear that contains the organ of hearing
C)  the pinna and external auditory meatus are part of this
D)  fleshy portion of the external ear
E)  air-filled space within the temporal boneF) A) and D)
G) A) and E)

Question 5

The position of the head with respect to gravity is determined by the

Accepted Answer

A)   shift in fluid in the semicircular canals.
B)   movements of otoliths in response to gravity.
C)   movements of perilymph in the vestibular chamber.
D)   impulses transmitted from the macula of the semicircular canals.
E)   stimulation of the cochlear portion of the nerve.F) D) and E)
G) A) and B)

Question 6

Match the description with the most appropriate structure.
-endolymph

Accepted Answer

A)  structures that produce earwax
B)  fluid in the membranous labyrinth
C)  fluid between the membranous and bony labyrinth
D)  ossicles connect this structure to eardrum
E)  connects the middle ear to the pharynxF) B) and C)
G) None of the above

Question 7

-Olfaction is the sense of smell. What does "B" represent?

Accepted Answer

A)   olfactory bulb
B)   cilia (olfactory hairs) 
C)   olfactory neuron
D)   axon of olfactory neuron
E)   olfactory tractF) C) and E)
G) B) and E)

Question 8

Match the structure with the appropriate description.
-sty

Accepted Answer

A)  lubricate the eyelid
B)  protect the eye from falling objects
C)  an inflamed ciliary gland
D)  small tubes that drain tears into the lacrimal sac
E)  inflammation of the conjunctivaF) B) and C)
G) None of the above

Question 9

Match the structure with the appropriate description.
-vitreous humor

Accepted Answer

A)  blood vessels enter and the optic nerve exits here
B)  a small yellow spot near the center of the posterior retina
C)  the portion of the retina with the greatest visual acuity
D)  a jellylike substance in the posterior cavity of the eye
E)  the fluid that fills the anterior cavity of the eyeF) None of the above
G) A) and E)

Question 10

Tears

Accepted Answer

A)   are produced only when a person cries.
B)   wash foreign objects away from the eye.
C)   contain lysozyme to trap dust.
D)   are very acidic and kill microbes.
E)   contain little water.F) None of the above
G) A) and D)

Question 11

For distant vision,

Accepted Answer

A)   the lens is more spherical.
B)   the suspensory ligaments relax.
C)   the ciliary muscles are relaxed.
D)   light is refracted more by the lens than by the humors.
E)   the lens is thickened.F) B) and E)
G) C) and D)

Question 12

What eye layer is referred to in the "Don't fire until you see the whites of their eyes"?

Accepted Answer

A)   conjunctiva
B)   choroid
C)   retina
D)   sclera
E)   pupilF) A) and D)
G) A) and E)

Question 13

The cornea

Accepted Answer

A)   is highly vascular.
B)   maintains the shape of the eye.
C)   is white like the rest of the sclera.
D)   is part of the focusing system of the eye.
E)   does not contain connective tissue.F) All of the above
G) A) and E)

Question 14

The lacrimal glands

Accepted Answer

A)   cause a sty when inflamed.
B)   constantly produce a fluid called tears.
C)   are located in the superomedial corner of the orbit.
D)   are innervated by parasympathetic fibers from the oculomotor nerve.
E)   produce sebum.F) B) and C)
G) A) and E)

Question 15

Match the structure with the appropriate description.
-retina

Accepted Answer

A)  photoreceptor cells that function in black and white vision
B)  photoreceptor cells that function in color vision
C)  the opening in the iris
D)  the innermost tunic of the eye
E)  a pigmented contractile structureF) C) and D)
G) A) and B)

Exam 15: The Special Senses

The position of the head with respect to gravity is determined by the

Correct Answer
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Match the structure with the appropriate description. -sty

Correct Answer
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-Olfaction is the sense of smell. What does "B" represent?

Correct Answer
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For distant vision,

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Tears

Correct Answer
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Match the structure with the appropriate description. -vitreous humor

Correct Answer
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Match the structure with the appropriate description. -fovea centralis

Correct Answer
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What eye layer is referred to in the "Don't fire until you see the whites of their eyes"?

Correct Answer
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Match the description with the most appropriate structure. -endolymph

Correct Answer
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The lacrimal glands

Correct Answer
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Match the structure with the appropriate description. -optic disc

Correct Answer
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Match the structure with the appropriate description. -retina

Correct Answer
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Otoliths

Correct Answer
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Match the structure with the appropriate description. -external ear

Correct Answer
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The cornea

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Exam 15: The Special Senses

The position of the head with respect to gravity is determined by the

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Match the structure with the appropriate description. -sty

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-Olfaction is the sense of smell. What does "B" represent?

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For distant vision,

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Tears

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Match the structure with the appropriate description. -vitreous humor

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Match the structure with the appropriate description. -fovea centralis

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What eye layer is referred to in the "Don't fire until you see the whites of their eyes"?

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Match the description with the most appropriate structure. -endolymph

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The lacrimal glands

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Match the structure with the appropriate description. -optic disc

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Match the structure with the appropriate description. -retina

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Otoliths

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Match the structure with the appropriate description. -external ear

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The cornea

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