Question 1

Match the structure with the appropriate description.
-visual field

Accepted Answer

A)  the area that can be seen with the eyes open
B)  opening in the orbit through which the optic nerve passes
C)  the cerebral area that integrates messages from retina
D)  area where medial ganglion cell axons cross over
E)  the route of the ganglionic axons beyond the chiasmaF) A) and E)
G) C) and D)

Question 2

Light and dark adaptation involves

Accepted Answer

A)   pupillary reflexes.
B)   variations in rod and cone function.
C)   changes in the amount of available rhodopsin.
D)   pupillary reflexes and changes in the amount of available rhodopsin.
E)   pupillary reflexes, variations in rod and cone function and changes in the amount of available rhodopsin.F) A) and C)
G) A) and E)

Question 3

You taste a sauce with the "tip of your tongue". These taste sensations would be carried via the _____ cranial nerve.

Accepted Answer

A)   facial (VII) 
B)   vagus (X) 
C)   trigeminal (V) 
D)   glossopharyngeal (IX) 
E)   hypoglossal (XII) F) B) and C)
G) None of the above

Question 4

Match the structure with the appropriate description.
-palpebral fissure

Accepted Answer

A)  the angle where the eyelids join
B)  the space between the two eyelids
C)  another name for the eyelids
D)  the membrane that covers the inner surface of the eyelids
E)  the membrane that covers the anterior sclera of the eyeF) A) and C)
G) A) and E)

Question 5

More sound volume is perceived when

Accepted Answer

A)   sound wave amplitude increases.
B)   action potentials from hair cells are blocked.
C)   sound wave amplitude decreases.
D)   sound wave frequency decreases.
E)   sound wave frequency increases.F) C) and D)
G) B) and E)

Question 6

Match the description with its correct name.
-cataract

Accepted Answer

A)  difficulty seeing distant objects
B)  a type of refractory error
C)  clouding of the lens of the eye
D)  increased intraocular pressure that can lead to loss of vision
E)  loss of acute central visionF) A) and B)
G) A) and C)

Question 7

Which of the following functions is carried out by both aqueous and vitreous humor?

Accepted Answer

A)   cleanses the eye
B)   nourishment of the eye
C)   refraction of light rays
D)   generation of a visual image
E)   control the amount of light entering the eyeF) A) and E)
G) C) and D)

Question 8

Cochlear neurons are stimulated by

Accepted Answer

A)   vibrating the oval window.
B)   vibrations of the tectorial membrane.
C)   bending microvilli or stereocilia on the hair cells.
D)   movement of the otoliths in the endolymph.
E)   turning the spiral organ.F) C) and E)
G) A) and B)

Question 9

Sensory receptors for balance are found in the

Accepted Answer

A)   pinna.
B)   cochlea.
C)   auditory ossicles.
D)   semicircular canals.
E)   auditory tube.F) C) and D)
G) A) and B)

Question 10

Olfactory adaptation occurs when odorant receptors become _____.

Accepted Answer

A)   saturated
B)   destroyedC) A) and B)
D) undefined

Question 11

Match the description with the most appropriate structure.
-auditory tube

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) C) and D)
G) A) and B)

Question 12

Taste buds

Accepted Answer

A)   can perceive seven basic tastes.
B)   are replaced approximately every 30 days.
C)   can only perceive taste if the molecules are in solution.
D)   can be found covering both the superior and inferior surfaces of the tongue.
E)   have axons and generate their own action potentials.F) A) and D)
G) D) and E)

Question 13

Which of the following structures is part of the vascular tunic?

Accepted Answer

A)   iris
B)   retina
C)   optic disc
D)   fovea centralis
E)   corneaF) B) and C)
G) A) and E)

Question 14

Which of the following is NOT an effect of aging on sense organs?

Accepted Answer

A)   A large loss in the ability to detect odors.
B)   Decrease in sense of taste.
C)   Loss of lens flexibility in the eye.
D)   Decline in visual acuity and color perception.
E)   Decreased ability to localize sound.F) B) and C)
G) A) and B)

Question 15

Match the structure with the appropriate description.
-middle 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) C) and D)
G) B) and C)

Question 16

Match the structure with the appropriate description.
-palpebrae

Accepted Answer

A)  the angle where the eyelids join
B)  the space between the two eyelids
C)  another name for the eyelids
D)  the membrane that covers the inner surface of the eyelids
E)  the membrane that covers the anterior sclera of the eyeF) C) and D)
G) B) and C)

Question 17

The photoreceptor cells are located

Accepted Answer

A)   on the surface of the retina.
B)   in the ganglionic layer of the retina.
C)   in the photoreceptive layer of the retina.
D)   in the choroid layer of the retina.
E)   in the pigment cell layer of the retina.F) None of the above
G) B) and C)

Question 18

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) B) and C)
G) A) and D)

Question 19

The most sensitive taste buds are found in _____ papillae.

Accepted Answer

A)   formate
B)   filiform
C)   fungiform
D)   vallate
E)   foliateF) A) and B)
G) A) and C)

Question 20

Olfaction is the sense of _______.

Accepted Answer

A)   taste
B)   balance
C)   smell
D)   sight
E)   hearingF) B) and C)
G) A) and C)

Exam 15: The Special Senses

The photoreceptor cells are located

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Match the structure with the appropriate description. -visual field

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Cochlear neurons are stimulated by

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Sensory receptors for balance are found in the

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You taste a sauce with the "tip of your tongue". These taste sensations would be carried via the _____ cranial nerve.

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Match the structure with the appropriate description. -palpebral fissure

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Match the structure with the appropriate description. -middle ear

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Taste buds

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The cornea

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Which of the following is NOT an effect of aging on sense organs?

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Olfactory adaptation occurs when odorant receptors become _____.

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More sound volume is perceived when

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Match the structure with the appropriate description. -palpebrae

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Which of the following structures is part of the vascular tunic?

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Light and dark adaptation involves

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Olfaction is the sense of _______.

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Which of the following functions is carried out by both aqueous and vitreous humor?

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Match the description with the most appropriate structure. -auditory tube

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Match the description with its correct name. -cataract

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The most sensitive taste buds are found in _____ papillae.

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