Question 1

The position of the head with respect to gravity is determined by the

Accepted Answer

A)   shift in fluid in the semicircular canals.
B)   movements of otoliths in response to gravity.
C)   movements of perilymph in the vestibular chamber.
D)   impulses transmitted from the macula of the semicircular canals.
E)   stimulation of the cochlear portion of the nerve.F) A) and E)
G) B) and E)

Question 2

Binocular vision gives one depth perception which is the ability to distinguish between near and far objects.

Accepted Answer

A) True 
 B)False

Question 3

The main factor affecting depth of focus is the

Accepted Answer

A)   convergence.
B)   accommodation.
C)   shape of the lens.
D)   size of the lens.
E)   size of the pupil.F) C) and E)
G) B) and D)

Question 4

Match the structure with the appropriate description.
-tympanic membrane

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 B)
G) C) and E)

Question 5

Match the structure with the appropriate description.
-Meibomian glands

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) A) and B)
G) D) and E)

Question 6

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

Question 7

Match the structure with the appropriate description.
-rods

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

Question 8

Which of the following is NOT a primary odor class?

Accepted Answer

A)   umami
B)   floral
C)   putrid
D)   pepperminty
E)   etherealF) A) and D)
G) C) and E)

Question 9

Match the description with its correct name.
-macular degeneration

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) B) and E)
G) A) and D)

Question 10

Visceral and emotional reactions to odors is a function of the:

Accepted Answer

A)   secondary olfactory area in the frontal lobe
B)   olfactory cortex in the frontal lobe
C)   secondary olfactory area in the temporal lobe
D)   olfactory cortex in the temporal lobeE) A) and B)
F) B) and C)

Question 11

The ________ separates the posterior chamber from the vitreous chamber.

Accepted Answer

A)   iris
B)   choroid
C)   lens
D)   scleraE) A) and B)
F) A) and C)

Question 12

Which of the following cranial nerves would cause a person discomfort when getting dental work done?

Accepted Answer

A)   optic
B)   facial
C)   abducens
D)   trigeminal
E)   vagusF) A) and B)
G) C) and D)

Question 13

Arrange the following structures in the order in which they would vibrate as a result of the tympanic membrane vibrating. (1)  oval window
(2)  vestibular membrane and endolymph
(3)  ossicles
(4)  basilar membrane
(5)  perilymph

Accepted Answer

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

Question 14

The point where light rays cross after passing through a concave lens is referred to as the _____.

Accepted Answer

A)   near point of vision
B)   focal point
C)   far point of vision
D)   depth of focusE) A) and D)
F) None of the above

Question 15

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 D)
G) A) and C)

Question 16

Color vision

Accepted Answer

A)   is a function of cone cells.
B)   is most acute in dim light.
C)   is interpreted in the cerebellum.
D)   depends on the amount of available rhodopsin.
E)   is the interaction between rods and cones.F) A) and D)
G) A) and C)

Question 17

Why does inhaling deeply and slowly through the nose help to identify an odor?

Accepted Answer

A)   More air containing the odor is brought into contact with the olfactory epithelium.
B)   Impulses originate slowly in the olfactory epithelium.
C)   The tissue needs more time in contact with the odor.
D)   Threshold for odor detection is high.
E)   Receptors in the olfactory epithelium are highly specific.F) A) and B)
G) B) and E)

Question 18

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

Question 19

Which of the following statements is NOT true of hyperopia?

Accepted Answer

A)   corrected by "minus" lenses
B)   close objects are fuzzy
C)   eyeball is too short
D)   corrected by convex lenses
E)   image focused behind the retinaF) C) and E)
G) B) and D)

Question 20

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)

Exam 15: The Special Senses

Which of the following cranial nerves would cause a person discomfort when getting dental work done?

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Match the structure with the appropriate description. -rods

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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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The main factor affecting depth of focus is the

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The point where light rays cross after passing through a concave lens is referred to as the _____.

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Color vision

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Match the structure with the appropriate description. -Meibomian glands

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Why does inhaling deeply and slowly through the nose help to identify an odor?

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Match the description with its correct name. -macular degeneration

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Which of the following is NOT a primary odor class?

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Damage to the vestibulocochlear nerve would result in some loss of

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Binocular vision gives one depth perception which is the ability to distinguish between near and far objects.

Correct AnswerverifiedShow Answer

The position of the head with respect to gravity is determined by the

Correct AnswerverifiedShow Answer

Match the structure with the appropriate description. -tympanic membrane

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Arrange the following structures in the order in which they would vibrate as a result of the tympanic membrane vibrating. (1) oval window (2) vestibular membrane and endolymph (3) ossicles (4) basilar membrane (5) perilymph

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Which of the following sequences is correct?

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Visceral and emotional reactions to odors is a function of the:

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

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Which of the following statements is NOT true of hyperopia?

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The ________ separates the posterior chamber from the vitreous chamber.

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