Question 1

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 sound 
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 sound

Question 2

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

Question 3

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

Accepted Answer

A) True 
 B)False

Question 4

Which auditory ossicle is attached to the tympanic membrane?

Accepted Answer

A)  Labyrinth 
B)  Incus 
C)  Malleus 
D)  Stapes 
E)  Oval window 
A)  Labyrinth 
B)  Incus 
C)  Malleus 
D)  Stapes 
E)  Oval window

Question 5

A ringing in the ears is called ________.

Accepted Answer

A)  tinnitus 
B)  trachoma 
C)  nystagmus 
D)  mydriasis 
E)  otitis media 
A)  tinnitus 
B)  trachoma 
C)  nystagmus 
D)  mydriasis 
E)  otitis media

Question 6

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

Accepted Answer

A)  Opsin 
B)  Transducin 
C)  ATP 
D)  Glutamate 
A)  Opsin 
B)  Transducin 
C)  ATP 
D)  Glutamate

Question 7

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

Accepted Answer

A)  Na+ 
B)  Ca2+ 
C)  Cl− 
D)  K+ 
A)  Na+ 
B)  Ca2+ 
C)  Cl− 
D)  K+

Question 8

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

Question 9

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

Question 10

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 color 
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 color

Question 11

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; flattened 
A)  more; rounded 
B)  more; flattened 
C)  less; rounded 
D)  less; flattened

Question 12

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. 
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.

Question 13

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 cell 
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 cell

Question 14

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)  astigmatism 
A)  myopia 
B)  hyperopia 
C)  presbyopia 
D)  retinopia 
E)  astigmatism

Question 15

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. 
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.

Question 16

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. 
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.

Question 17

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. 
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.

Question 18

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 cones 
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 cones

Question 19

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. 
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.

Question 20

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 membrane 
A)  External ear 
B)  Middle ear 
C)  Inner ear 
D)  Auditory tube 
E)  Tympanic membrane

Exam 15: The Special Senses

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

The blink reflex functions to ________.

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

Which auditory ossicle is attached to the tympanic membrane?

A ringing in the ears is called ________.

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

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

The sensory cells for hearing are located in the ________.

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

What is the crista ampullaris associated with?

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

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

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?

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

The semicircular canals

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

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?

What is the near point of vision?

For distant vision,

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

The Human Organism

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Cell Biology

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Skeletal System: Gross Anatomy

Joint and Movement

Muscular System: Histology and Physiology

Muscular System: Gross Anatomy

Functional Organization of Nervous Tissue

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Integration of Nervous System Functions

Autonomic Nervous System

Functional Organization of the Endocrine System

Endocrine Glands

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