Question 1

You are an airborne molecule that dissolves in the fluid covering the olfactory epithelium.Which of the following must you do in order to depolarize neurons in the olfactory epithelium?

Accepted Answer

A)  stimulate mitral cells
B)  release acetylcholine
C)  cause proliferation of basal cells
D)  bind to receptor molecules on the olfactory hair membrane
E)  lower the threshold of the cellF) D) and E)
G) A) and B)

Question 2

Auditory impulses are transmitted by the _____ portion of the vestibulocochlear nerve.

Accepted Answer

A)  spiral
B)  cochlear
C)  vestibular
D)  ossicular
E)  tympanicF) B) and D)
G) A) and E)

Question 3

Match the structure with the appropriate description.
-mitral cell

Accepted Answer

A)  relay olfactory information to the brain and synapse with association neurons in the olfactory bulb
B)  area of the brain where the olfactory tracts terminate
C)  enlargements on the dendrites of olfactory neurons
D)  fibers that connect the olfactory bulb to the cortex
E)  the expanded anterior portions of the olfactory nervesF) A) and C)
G) A) and B)

Question 4

Which of the following sequences is correct?

Accepted Answer

A)  oval window,vestibule,scala vestibuli
B)  round window,helicotrema,scala tympani
C)  bony labyrinth,round window,basilar membrane
D)  tympanic membrane,vestibular membrane,basilar membrane
E)  vestibular membrane,basilar membrane,auditory membraneF) A) and B)
G) C) and D)

Question 5

Damage to the vestibulocochlear nerve would result in some loss of

Accepted Answer

A)  hearing and balance.
B)  hearing and taste.
C)  smell.
D)  taste.
E)  hearing and sight.F) B) and D)
G) A) and D)

Question 6

To focus on objects closer than 20 feet,

Accepted Answer

A)  the lens must become flatter.
B)  the cornea must move inward.
C)  the ciliary muscles must contract.
D)  the suspensory ligaments increase tension on the lens.
E)  the retina must bend.F) B) and E)
G) A) and E)

Question 7

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) None of the above
G) A) and B) E

Question 8

The superior olivary nucleus

Accepted Answer

A)  generates the endocochlear potential.
B)  receives impulses from the vestibular nerve.
C)  helps localize high-pitched tones near the apex of the basilar membrane.
D)  sends efferent impulses that inhibit all hair cells not vibrating maximally.
E)  stimulates additional hair cells.F) B) and C)
G) A) and C)

Question 9

Match the description with the most appropriate structure.
-oval window

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 D)
G) B) and E)

Question 10

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) B) and E)
G) A) and C)

Question 11

Match the structure with the appropriate description.
-bulbar conjunctiva

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 B)
G) A) and E)

Question 12

Match the description with the most appropriate structure.
-perilymph

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 E)
G) C) and D)

Question 13

To which colors are the three different kinds of cones sensitive?

Accepted Answer

A)  blue,red,and yellow
B)  red,blue,and green
C)  red,violet,and yellow
D)  violet,green,and blue
E)  orange,indigo,and violetF) A) and E)
G) A) and D)

Question 14

Pinkeye is an acute inflammation of the

Accepted Answer

A)  retina.
B)  choroid.
C)  sclera.
D)  conjunctiva.
E)  lacrimal gland.F) A) and B)
G) A) and E)

Question 15

Which of the following special senses is relayed directly to the cerebral cortex without going to the thalamus?

Accepted Answer

A)  smell
B)  taste
C)  sight
D)  sound
E)  touchF) A) and B)
G) None of the above

Question 16

Match the structure with the appropriate description.
-organ of Corti

Accepted Answer

A)  organ of hearing
B)  passageway from the outside to the eardrum
C)  interconnecting tunnels in the temporal bone
D)  tiny bones in the middle ear
E)  connecting chambers of inner ear filled with endolymphF) A) and D)
G) A) and E)

Question 17

The semicircular canals

Accepted Answer

A)  are parallel to each other.
B)  can detect movement in only one direction.
C)  have a base called a papilla.
D)  contain cupulae that respond to gravity.
E)  allow a person to detect movement in all directions.F) D) and E)
G) A) and B) E

Question 18

Arrange the following list of membranes in correct sequence. (1) tectorial membrane
(2) vestibular membrane
(3) tympanic membrane
(4) basilar membrane

Accepted Answer

A)  1,2,3,4
B)  3,4,1,2
C)  3,2,4,1
D)  2,4,3,1
E)  4,3,2,1F) A) and E)
G) A) and D)

Question 19

Arrange the following in correct sequence: (1) gustatory cell depolarizes
(2) action potential stimulated in gustatory neurons
(3) food substance dissolves in saliva
(4) neurotransmitter released by gustatory cell
(5) food substance enters taste pore and attaches to receptor on gustatory hair

Accepted Answer

A)  5,4,1,2,3
B)  3,5,1,4,2
C)  5,3,1,4,2
D)  3,1,4,5,2
E)  3,2,1,5,4F) B) and E)
G) A) and E) B

Question 20

The receptor cells for which of the following special senses are bipolar neurons?

Accepted Answer

A)  equilibrium
B)  hearing
C)  smell
D)  taste
E)  touchF) C) and D)
G) D) and E)

Exam 15: The Special Senses

You are an airborne molecule that dissolves in the fluid covering the olfactory epithelium.Which of the following must you do in order to depolarize neurons in the olfactory epithelium?

Correct AnswerverifiedShow Answer

Auditory impulses are transmitted by the _____ portion of the vestibulocochlear nerve.

Correct AnswerverifiedShow Answer

Match the structure with the appropriate description. -mitral cell

Correct AnswerverifiedShow Answer

Which of the following sequences is correct?

Correct AnswerverifiedShow Answer

Damage to the vestibulocochlear nerve would result in some loss of

Correct AnswerverifiedShow Answer

To focus on objects closer than 20 feet,

Correct AnswerverifiedShow Answer

Match the structure with the appropriate description. -middle ear

Correct AnswerverifiedE

The superior olivary nucleus

Correct AnswerverifiedShow Answer

Match the description with the most appropriate structure. -oval window

Correct AnswerverifiedShow Answer

Match the structure with the appropriate description. -palpebrae

Correct AnswerverifiedShow Answer

Match the structure with the appropriate description. -bulbar conjunctiva

Correct AnswerverifiedShow Answer

Match the description with the most appropriate structure. -perilymph

Correct AnswerverifiedShow Answer

To which colors are the three different kinds of cones sensitive?

Correct AnswerverifiedShow Answer

Pinkeye is an acute inflammation of the

Correct AnswerverifiedShow Answer

Which of the following special senses is relayed directly to the cerebral cortex without going to the thalamus?

Correct AnswerverifiedShow Answer

Match the structure with the appropriate description. -organ of Corti

Correct AnswerverifiedShow Answer

The semicircular canals

Correct AnswerverifiedE

Arrange the following list of membranes in correct sequence. (1) tectorial membrane (2) vestibular membrane (3) tympanic membrane (4) basilar membrane

Correct AnswerverifiedShow Answer

Arrange the following in correct sequence: (1) gustatory cell depolarizes (2) action potential stimulated in gustatory neurons (3) food substance dissolves in saliva (4) neurotransmitter released by gustatory cell (5) food substance enters taste pore and attaches to receptor on gustatory hair

Correct AnswerverifiedB

The receptor cells for which of the following special senses are bipolar neurons?

Correct AnswerverifiedShow Answer

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E

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E

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B

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