Question 1

Some thyroid disorders are characterized by an increase in the width of the palpebral fissure. This would be an increase in the distance between the

Accepted Answer

A)   eyebrows.
B)   eyelashes.
C)   eyelids.
D)   eyes.
E)   lacrimal glands.F) All of the above
G) C) and E)

Question 2

Match the structure with the appropriate description.
-canthi

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 D)
G) A) and E)

Question 3

Following a stroke, Harriet has impaired sense of taste on one side of the tip of her tongue, indicating the part of her brain that was affected must communicate with the

Accepted Answer

A)   facial nerve.
B)   abducens nerve.
C)   trigeminal nerve.
D)   glossopharyngeal nerve.
E)   vagus nerve.F) A) and D)
G) C) and E)

Question 4

Match the structure with the appropriate description.
-aqueous 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) B) and C)
G) C) and E) E

Question 5

Match the structure with the appropriate description.
-pupil

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) A) and E)
G) C) and D)

Question 6

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) C) and E)
G) C) and D)

Question 7

The primary olfactory cortex is located in the ______ lobe.

Accepted Answer

A)   temporal
B)   occipital
C)   frontal
D)   parietalE) A) and C)
F) B) and C)

Question 8

Match the structure with the appropriate description.
-optic tract

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

Question 9

Otoliths can break off and float inside the inner ear. What might happen if the otoliths settle on top of the hair cells?

Accepted Answer

A)   it could amplify hearing
B)   it may cause deafness
C)   inability to understand language
D)   dizziness and inability to balance oneself
E)   causes one to hear voicesF) B) and D)
G) All of the above

Question 10

Match the structure with the appropriate description.
-visual cortex

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 B)
G) A) and E)

Question 11

The external ear terminates at the

Accepted Answer

A)   pinna.
B)   oval window.
C)   tympanic membrane.
D)   internal auditory meatus.
E)   ossicles.F) D) and E)
G) B) and C)

Question 12

Which of the special senses contains receptor neurons that are the only nerve cells in direct contact with the outside environment?

Accepted Answer

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

Question 13

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) C) and E)
G) C) and D)

Question 14

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) C) and E)
G) D) and E)

Question 15

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

Question 16

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

Question 17

Match the structure with the appropriate description.
-optic chiasma

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

Question 18

The round window

Accepted Answer

A)   reflects sound waves.
B)   vibrates the basilar membrane.
C)   allows for compression of the organ of Corti.
D)   acts as a mechanical release for waves within the cochlea.
E)   increases the pressure of the perilymph.F) B) and C)
G) D) and E)

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) A) and D)
G) All of the above B

Question 20

Match the structure with the appropriate description.
-palpebral 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) B) and D)
G) B) and E)

Exam 15: The Special Senses

Some thyroid disorders are characterized by an increase in the width of the palpebral fissure. This would be an increase in the distance between the

Correct AnswerverifiedShow Answer

Match the structure with the appropriate description. -canthi

Correct AnswerverifiedShow Answer

Following a stroke, Harriet has impaired sense of taste on one side of the tip of her tongue, indicating the part of her brain that was affected must communicate with the

Correct AnswerverifiedShow Answer

Match the structure with the appropriate description. -aqueous humor

Correct AnswerverifiedE

Match the structure with the appropriate description. -pupil

Correct AnswerverifiedShow Answer

Match the structure with the appropriate description. -mitral cell

Correct AnswerverifiedShow Answer

The primary olfactory cortex is located in the ______ lobe.

Correct AnswerverifiedShow Answer

Match the structure with the appropriate description. -optic tract

Correct AnswerverifiedShow Answer

Otoliths can break off and float inside the inner ear. What might happen if the otoliths settle on top of the hair cells?

Correct AnswerverifiedShow Answer

Match the structure with the appropriate description. -visual cortex

Correct AnswerverifiedShow Answer

The external ear terminates at the

Correct AnswerverifiedShow Answer

Which of the special senses contains receptor neurons that are the only nerve cells in direct contact with the outside environment?

Correct AnswerverifiedShow Answer

The superior olivary nucleus

Correct AnswerverifiedShow Answer

The semicircular canals

Correct AnswerverifiedShow Answer

For distant vision,

Correct AnswerverifiedShow Answer

Match the structure with the appropriate description. -vitreous humor

Correct AnswerverifiedShow Answer

Match the structure with the appropriate description. -optic chiasma

Correct AnswerverifiedD

The round window

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

Match the structure with the appropriate description. -palpebral conjunctiva

Correct AnswerverifiedShow Answer

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E

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D

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B

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