Question 1

Which of the following is NOT an intrinsic eye muscle?

Accepted Answer

A)  ciliary muscles
B)  inferior oblique muscle
C)  sphincter pupillae muscle
D)  dilator pupillae muscleE) C) and D)
F) All of the above

Question 2

Increased fluid accumulation in the cornea would result in

Accepted Answer

A)  a scattering of light rays.
B)  loss of pigment in the eye.
C)  a decrease in the strength of the tissue.
D)  an increase in the ability to transmit light to the retina.
E)  blockage of light rays.F) A) and C)
G) A) and E)

Question 3

Match the structure with the appropriate description.
-olfactory tract

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 B)
G) A) and C)

Question 4

The lens

Accepted Answer

A)  is biconcave.
B)  focuses light on the retina.
C)  floats in the vitreous humor.
D)  is attached to the retina by suspensory ligaments.
E)  is normally opaque.F) C) and D)
G) B) and C)

Question 5

Which of the following is NOT a primary odor class?

Accepted Answer

A)  umami
B)  floral
C)  putrid
D)  pepperminty
E)  etherealF) B) and D)
G) All of the above

Question 6

Match the structure with the appropriate description.
-lacrimal canaliculi

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

Question 7

Amanda has no visual impairments,but has noticed that in order to see clearly she must hold books farther from her face in order to read.What is happening to Amanda's vision?

Accepted Answer

A)   Her lens is becoming more rigid with age.
B)   Her lens is becoming more opaque with age.
C)   Her lens is becoming more convex with age.
D)   Her vitreous humor is becoming thicker with age.
E)   Her lens is becoming more flexible with age.F) A) and D)
G) A) and B)

Question 8

Rhodopsin is found in the

Accepted Answer

A)  rods.
B)  cones.
C)  choroid.
D)  pigmented retina.
E)  amacrine cells.F) C) and D)
G) A) and B)

Question 9

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) A) and E)
G) All of the above

Question 10

Oscillation of the eyes during the tracking of something in motion is called

Accepted Answer

A)  nystagmus.
B)  vertigo.
C)  scotoma.
D)  ptosis.
E)  otitis media.F) A) and B)
G) All of the above

Question 11

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 E)
G) A) and D)

Question 12

The transparent anterior portion of the sclera is the

Accepted Answer

A)  iris.
B)  retina.
C)  cornea.
D)  choroid.
E)  pupil.F) All of the above
G) A) and B)

Question 13

Match the structure with the appropriate description.
-inner 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 E)
G) C) and D)

Question 14

The blink reflex is designed to

Accepted Answer

A)  maintain balance.
B)  regulate pupil size.
C)  provide clearer vision.
D)  keep the eyes moist.
E)  orient the eyes.F) A) and E)
G) D) and E)

Question 15

Damage to the vestibular branch of the vestibulocochlear nerve would result in loss of

Accepted Answer

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

Question 16

Which of the following statements is false?

Accepted Answer

A)  Each taste bud is most sensitive to one of the five basic tastes.
B)  Sensitivity of taste buds for sweet taste is very high.
C)  Adaptation for taste is rapid.
D)  Olfaction influences taste.
E)  Sensitivities for sweet and salty tastes are the lowest.F) B) and C)
G) A) and E)

Question 17

Albinism in which there is an absence of melanin pigment would affect the individual's ability to

Accepted Answer

A)   discern colors.
B)   have high levels of visual acuity and prevent scattering of light inside the eye.
C)   protect the optic nerves from damage.
D)   remove wastes from the eye.
E)   see at all,as it always results in blindness.F) A) and E)
G) C) and E)

Question 18

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 C)
G) C) and D)

Question 19

Arrange the following structures in the order in which they vibrate when a sound wave enters the ear. (1) eardrum
(2) endolymph
(3) ossicles
(4) oval window
(5) perilymph

Accepted Answer

A)  1,3,5,2,4
B)  1,4,3,5,2
C)  3,1,5,2,4
D)  1,3,2,5,4
E)  1,3,4,5,2F) All of the above
G) B) and E)

Question 20

Match the structure with the appropriate description.
-external auditory meatus

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 C)
G) A) and E)

Exam 15: The Special Senses

Arrange the following structures in the order in which they vibrate when a sound wave enters the ear. (1) eardrum (2) endolymph (3) ossicles (4) oval window (5) perilymph

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Match the structure with the appropriate description. -aqueous humor

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Damage to the vestibular branch of the vestibulocochlear nerve would result in loss of

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The lens

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Increased fluid accumulation in the cornea would result in

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Amanda has no visual impairments,but has noticed that in order to see clearly she must hold books farther from her face in order to read.What is happening to Amanda's vision?

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Which of the following is NOT an intrinsic eye muscle?

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Albinism in which there is an absence of melanin pigment would affect the individual's ability to

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Which of the following is NOT a primary odor class?

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Match the structure with the appropriate description. -inner ear

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Match the structure with the appropriate description. -lacrimal canaliculi

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Match the description with its correct name. -cataract

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

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The blink reflex is designed to

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Which of the following statements is false?

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The transparent anterior portion of the sclera is the

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Rhodopsin is found in the

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Match the structure with the appropriate description. -olfactory tract

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Oscillation of the eyes during the tracking of something in motion is called

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Match the structure with the appropriate description. -external auditory meatus

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