Question 1

The cells of the retina in which action potentials are generated are the ________.

Accepted Answer

A)   amacrine cells
B)   ganglion cells
C)   rods and cones
D)   bipolar cells

Question 2

Information from balance receptors goes directly to the ________.

Accepted Answer

A)   brain stem reflex centers
B)   visual cortex
C)   motor cortex
D)   back muscles

Question 3

Figure 15.2
Using Figure 15.2, match the following:
-Protects and shapes the eyeball; provides a sturdy anchoring site for extrinsic eye muscles.

Accepted Answer

A)  D
B)  C
C)  E
D)  A
E)  B

Question 4

Which of the following is not a possible cause of conduction deafness?

Accepted Answer

A)   impacted cerumen
B)   otosclerosis
C)   cochlear nerve degeneration
D)   middle ear infection

Question 5

Ordinarily,it is not possible to transplant tissues from one person to another,yet corneas can be transplanted without tissue rejection.This is because the cornea ________.

Accepted Answer

A)   has no nerve supply
B)   has no blood supply
C)   does not contain connective tissue
D)   is not a living tissue

Question 6

Which of the following taste sensations is incorrectly matched to the chemicals that produce it?

Accepted Answer

A)   salty-metal ions
B)   sweet-organic substances such as sugar and some lead salts
C)   umami-triglycerides and fatty acids
D)   bitter-alkaloids
E)   sour-acids

Question 7

Match the following:
-Can result from impacted cerumen.

Accepted Answer

A)  Tinnitus
B)  Sensorineural deafness
C)  Conduction deafness

Question 8

High frequency sounds are detected when the basilar membrane is displaced near the ________.

Accepted Answer

The answer of High frequency sounds are detected when the...

Question 9

The first "way station" in the visual pathway from the eye,after there has been partial crossover of the fibers in the optic chiasma,is the ________.

Accepted Answer

A)   visual cortex
B)   superior colliculi
C)   temporal lobe
D)   lateral geniculate body of the thalamus

Question 10

Match the following:
-A condition of deafness that may result from otosclerosis.

Accepted Answer

A)  Conduction deafness
B)  Otitis media
C)  Night blindness
D)  Glaucoma

Question 11

Match the following:
-Contains utricle and saccule.

Accepted Answer

A)  Otoliths
B)  Vestibule
C)  Pharyngotympanic tube
D)  Tympanic membrane

Question 12

An essential part of the maculae involved in static equilibrium is (are) the ________.

Accepted Answer

A)   spiral organ (of Corti) 
B)   otoliths
C)   cupula
D)   scala media

Question 13

Humans can see several thousand shades of color but have cone photoreceptors that are sensitive to only three (perhaps four) wavelengths of light.What is the best explanation for why we see so many colors?

Accepted Answer

A)   Color perception is achieved by activation of various combinations between the three cone types.
B)   Color perception is dependent on the millions of rods as well as cone photoreceptors.
C)   Shades of color are purely psychological and learned by association with age, infants only seeing in black and white.
D)   Colors are added and enhanced in the primary visual cortex of the brain.

Question 14

Precision of eye movement is due to the fact that extrinsic eye muscle motor units contain only 8 to 12 muscle cells and in some cases as few as 2 or 3 muscle cells.

Accepted Answer

A) True 
 B)False

Question 15

Which of the following is the best explanation for our perception of color?

Accepted Answer

A)   Rods contain a single kind of visual pigment.
B)   Cones come in three types, each sensitive to different wavelengths of light.
C)   The foveae are densely packed with cones.
D)   As many as 100 cones may converge on one ganglion cell.

Question 16

Figure 15.3
Using Figure 15.3, match the following:
-Controls lens shape.

Accepted Answer

A)  A
B)  C
C)  B
D)  E
E)  D

Question 17

Match the following:
-A condition often leading to blindness due to increased intraocular pressure.

Accepted Answer

A)  Conduction deafness
B)  Otitis media
C)  Night blindness
D)  Glaucoma

Question 18

During dark adaptation ________.

Accepted Answer

A)   the cones are activated
B)   rhodopsin accumulates in the rods
C)   the sensitivity of the retina decreases
D)   the rate of rhodopsin breakdown is accelerated

Question 19

Match the following:
-Ear stones.

Accepted Answer

A)  Otoliths
B)  Vestibule
C)  Pharyngotympanic tube
D)  Tympanic membrane

Question 20

Figure 15.3
Using Figure 15.3, match the following:
-Acts as a reflexively activated diaphragm to vary pupil size.

Accepted Answer

A)  A
B)  C
C)  B
D)  E
E)  D

Exam 15: The Special Senses

Figure 15.2 Using Figure 15.2, match the following: -Protects and shapes the eyeball; provides a sturdy anchoring site for extrinsic eye muscles.

Correct AnswerverifiedShow Answer

High frequency sounds are detected when the basilar membrane is displaced near the ________.

Correct AnswerverifiedShow Answer

Humans can see several thousand shades of color but have cone photoreceptors that are sensitive to only three (perhaps four) wavelengths of light.What is the best explanation for why we see so many colors?

Correct AnswerverifiedShow Answer

During dark adaptation ________.

Correct AnswerverifiedShow Answer

Which of the following is the best explanation for our perception of color?

Correct AnswerverifiedShow Answer

Information from balance receptors goes directly to the ________.

Correct AnswerverifiedShow Answer

Which of the following is not a possible cause of conduction deafness?

Correct AnswerverifiedShow Answer

Precision of eye movement is due to the fact that extrinsic eye muscle motor units contain only 8 to 12 muscle cells and in some cases as few as 2 or 3 muscle cells.

Correct AnswerverifiedShow Answer

Match the following: -A condition of deafness that may result from otosclerosis.

Correct AnswerverifiedShow Answer

Match the following: -Can result from impacted cerumen.

Correct AnswerverifiedShow Answer

Which of the following taste sensations is incorrectly matched to the chemicals that produce it?

Correct AnswerverifiedShow Answer

Match the following: -Contains utricle and saccule.

Correct AnswerverifiedShow Answer

Match the following: -A condition often leading to blindness due to increased intraocular pressure.

Correct AnswerverifiedShow Answer

Match the following: -Ear stones.

Correct AnswerverifiedShow Answer

The cells of the retina in which action potentials are generated are the ________.

Correct AnswerverifiedShow Answer

Figure 15.3 Using Figure 15.3, match the following: -Acts as a reflexively activated diaphragm to vary pupil size.

Correct AnswerverifiedShow Answer

Ordinarily,it is not possible to transplant tissues from one person to another,yet corneas can be transplanted without tissue rejection.This is because the cornea ________.

Correct AnswerverifiedShow Answer

The first "way station" in the visual pathway from the eye,after there has been partial crossover of the fibers in the optic chiasma,is the ________.

Correct AnswerverifiedShow Answer

An essential part of the maculae involved in static equilibrium is (are) the ________.

Correct AnswerverifiedShow Answer

Figure 15.3 Using Figure 15.3, match the following: -Controls lens shape.

Correct AnswerverifiedShow Answer

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