Question 1

Which of the following is part of the spiral organ (organ of Corti) ?

Accepted Answer

A)   Modiolus
B)   Vestibule
C)   Tectorial membrane
D)   Scala tympani
E)   Chorda tympaniF) A) and C)
G) B) and E)

Question 2

Which of the following is NOT an effect of aging on sense organs?

Accepted Answer

A)   A large loss in the ability to detect odors
B)   Decrease in sense of taste
C)   Loss of lens flexibility in the eye
D)   Decline in visual acuity and color perception
E)   Decreased ability to localize soundF) C) and D)
G) A) and C)

Question 3

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 D)
G) A) and B)

Question 4

A solution that has a high pH is likely to also have a very sour taste.

Accepted Answer

A) True 
 B)False

Question 5

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 B)
G) B) and C)

Question 6

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

Question 7

The age-associated changes that result in loss of accommodation of the eyes is called ________.

Accepted Answer

A)   myopia
B)   hyperopia
C)   presbyopia
D)   retinopia
E)   astigmatismF) None of the above
G) A) and B)

Question 8

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) D) and E)

Question 9

What is activated when light causes 11-cis-retinal to convert to all-trans-retinal?

Accepted Answer

A)   Opsin
B)   Transducin
C)   ATP
D)   GlutamateE) All of the above
F) A) and B)

Question 10

In normal near vision, light is refracted ________ than in distant vision; thus the lens is ________.

Accepted Answer

A)   more; rounded
B)   more; flattened
C)   less; rounded
D)   less; flattenedE) All of the above
F) A) and C)

Question 11

The sensory cells for hearing are located in the ________.

Accepted Answer

A)   spiral organ (organ of Corti) 
B)   oval window
C)   middle ear
D)   vestibule
E)   semicircular canalsF) C) and E)
G) C) and D)

Question 12

Which portion of the ear contains the sensory receptors for hearing and balance?

Accepted Answer

A)   External ear
B)   Middle ear
C)   Inner ear
D)   Auditory tube
E)   Tympanic membraneF) B) and E)
G) C) and D)

Question 13

The blink reflex functions to ________.

Accepted Answer

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

Question 14

What is the crista ampullaris associated with?

Accepted Answer

A)   Static equilibrium when standing still
B)   Static acceleration in linear acceleration
C)   Dynamic equilibrium in angular acceleration
D)   Hearing high-pitch sounds
E)   Vision related to colorF) A) and B)
G) A) and C)

Question 15

As a stereocilium bends, the tip link pulls ________ gates open.

Accepted Answer

A)   Na+
B)   Ca2+
C)   Cl−
D)   K+E) A) and B)
F) All of the above

Question 16

What is the near point of vision?

Accepted Answer

A)   The closest point at which an object can be held and seen without appearing blurred
B)   The point at which a viewed image is not inverted on the retina
C)   The region of the macula in which the rods and cones are most concentrated
D)   The region of the electromagnetic spectrum which can be detected by the rods and conesE) A) and B)
F) A) and C)

Question 17

Why does a person's nose run when he cries?

Accepted Answer

A)   Tears drain into the nasal cavity via the nasolacrimal duct.
B)   Parasympathetic nerve stimulation causes the nose to secrete mucus.
C)   Intense stimulation of the facial nerve as a result of crying increases nasal secretions.
D)   The lacrimal glands secrete tears directly into the nose.
E)   This stimulates fluid production in the nose.F) A) and B)
G) B) and C)

Question 18

A ringing in the ears is called ________.

Accepted Answer

A)   tinnitus
B)   trachoma
C)   nystagmus
D)   mydriasis
E)   otitis mediaF) D) and E)
G) C) and D)

Question 19

Which auditory ossicle is attached to the tympanic membrane?

Accepted Answer

A)   Labyrinth
B)   Incus
C)   Malleus
D)   Stapes
E)   Oval windowF) D) and E)
G) All of the above

Question 20

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

Exam 15: The Special Senses

The blink reflex functions to ________.

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The sensory cells for hearing are located in the ________.

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For distant vision,

Correct AnswerverifiedShow Answer

The age-associated changes that result in loss of accommodation of the eyes is called ________.

Correct AnswerverifiedShow Answer

What is activated when light causes 11-cis-retinal to convert to all-trans-retinal?

Correct AnswerverifiedShow Answer

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?

Correct AnswerverifiedShow Answer

What is the crista ampullaris associated with?

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Which of the following is part of the spiral organ (organ of Corti) ?

Correct AnswerverifiedShow Answer

The semicircular canals

Correct AnswerverifiedShow Answer

What is the near point of vision?

Correct AnswerverifiedShow Answer

Which auditory ossicle is attached to the tympanic membrane?

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A ringing in the ears is called ________.

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Which of the following is NOT an effect of aging on sense organs?

Correct AnswerverifiedShow Answer

Which portion of the ear contains the sensory receptors for hearing and balance?

Correct AnswerverifiedShow Answer

A solution that has a high pH is likely to also have a very sour taste.

Correct AnswerverifiedShow Answer

As a stereocilium bends, the tip link pulls ________ gates open.

Correct AnswerverifiedShow Answer

In normal near vision, light is refracted ________ than in distant vision; thus the lens is ________.

Correct AnswerverifiedShow Answer

Why does a person's nose run when he cries?

Correct AnswerverifiedShow Answer

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In normal near vision, light is refracted than in distant vision; thus the lens is .

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