Question 1

Sound localization can be tested by _ .

Accepted Answer

A)  listening for the tick of a watch as the watch is held in various locations around the head 
B)  placing a tuning fork on the frontal bone 
C)  placing a tuning fork on the mastoid process 
D)  undergoing an audiometry test 
A)  listening for the tick of a watch as the watch is held in various locations around the head 
B)  placing a tuning fork on the frontal bone 
C)  placing a tuning fork on the mastoid process 
D)  undergoing an audiometry test A

Question 2

Why is it difficult for "weightless" astronauts in space to know whether they are right side up or upside down?

Accepted Answer

A)  Maculae that report head position depend upon the gravitational pull on the otoliths. 
B)  Sunrise and sunset are no longer linked to a 24-hour day. 
C)  They can't see a horizon. 
D)  The direction in which they are traveling changes rapidly. 
A)  Maculae that report head position depend upon the gravitational pull on the otoliths. 
B)  Sunrise and sunset are no longer linked to a 24-hour day. 
C)  They can't see a horizon. 
D)  The direction in which they are traveling changes rapidly. A

Question 3

Pressure waves passing through the perilymph of the cochlea compress the vestibular membrane, and ultimately displace the basilar membrane. What is true of these waves?

Accepted Answer

A)  High frequency waves (high notes) depress the basilar membrane closest to the middle ear. 
B)  High frequency waves (high notes) depress the basilar membrane all along its length. 
C)  High frequency waves (high notes) depress the basilar membrane closest to the distal end of the cochlea. 
D)  High frequency waves (high notes) depress the basilar membrane midway along its length. 
A)  High frequency waves (high notes) depress the basilar membrane closest to the middle ear. 
B)  High frequency waves (high notes) depress the basilar membrane all along its length. 
C)  High frequency waves (high notes) depress the basilar membrane closest to the distal end of the cochlea. 
D)  High frequency waves (high notes) depress the basilar membrane midway along its length. A

Question 4

Tests for conduction deafness include .

Accepted Answer

A)  placing tuning forks on bones of the head 
B)  walking a straight line with the eyes closed 
C)  audiometry testing 
A)  placing tuning forks on bones of the head 
B)  walking a straight line with the eyes closed 
C)  audiometry testing

Question 5

Nystagmus is .

Accepted Answer

A)  trailing of eyes in one direction followed by rapid movement in the other direction 
B)  a sensation of dizziness and rotational movement when such movement is not occurring 
C)  maintaining the eyes in a fixed forward direction during rotation 
A)  trailing of eyes in one direction followed by rapid movement in the other direction 
B)  a sensation of dizziness and rotational movement when such movement is not occurring 
C)  maintaining the eyes in a fixed forward direction during rotation

Question 6

Which of the following might cause sensorineural deafness?

Accepted Answer

A)  rotating the head to relax neck muscles 
B)  excess earwax in the external auditory canal 
C)  fusion of the auditory ossicles 
D)  listening to very loud music on a daily basis 
A)  rotating the head to relax neck muscles 
B)  excess earwax in the external auditory canal 
C)  fusion of the auditory ossicles 
D)  listening to very loud music on a daily basis

Question 7

The name of the receptor region containing hair cells involved in detecting static equilibrium is .

Accepted Answer

A)  ampulla 
B)  ampullary cupula 
C)  crista ampullaris 
D)  macula 
A)  ampulla 
B)  ampullary cupula 
C)  crista ampullaris 
D)  macula

Question 8

The auditory ossicles transmit and amplify sound waves in the middle ear. In sequence, sound waves pass from: _ _.

Accepted Answer

A)  malleus-stapes-incus 
B)  incus-malleus-stapes 
C)  incus-stapes-malleus 
D)  malleus-incus-stapes 
A)  malleus-stapes-incus 
B)  incus-malleus-stapes 
C)  incus-stapes-malleus 
D)  malleus-incus-stapes

Question 9

Which of the following are good tests of the equilibrium apparatus?

Accepted Answer

A)  being rotated on a chair, after which the observers look for nystagmus 
B)  standing and simultaneously beginning a task that requires mental concentration 
C)  walking in a straight line, one foot in front of the other 
D)  walking in a straight line placing one foot in front of the other, standing and simultaneously beginning a task that requires mental concentration, and being rotated on a chair, after which the observers look for nystagmus 
A)  being rotated on a chair, after which the observers look for nystagmus 
B)  standing and simultaneously beginning a task that requires mental concentration 
C)  walking in a straight line, one foot in front of the other 
D)  walking in a straight line placing one foot in front of the other, standing and simultaneously beginning a task that requires mental concentration, and being rotated on a chair, after which the observers look for nystagmus

Question 10

The pharyngotympanic (auditory) tube connects the to the nasopharynx.

Accepted Answer

A)  tympanic membrane (eardrum) 
B)  external ear 
C)  internal ear 
D)  middle ear 
A)  tympanic membrane (eardrum) 
B)  external ear 
C)  internal ear 
D)  middle ear

Question 11

Which of the following structures in the inner ear is essential for maintaining static equilibrium?

Accepted Answer

A)  cochlea 
B)  semicircular canals 
C)  saccule 
D)  utricle 
A)  cochlea 
B)  semicircular canals 
C)  saccule 
D)  utricle

Question 12

Sound waves pass through this canal on their way toward the eardrum.

Accepted Answer

A)  cochlear duct 
B)  external acoustic meatus 
C)  auditory tube 
D)  semicircular canal 
A)  cochlear duct 
B)  external acoustic meatus 
C)  auditory tube 
D)  semicircular canal

Question 13

Within the inner ear, this structure is involved in dynamic equilibrium.

Accepted Answer

A)  the semicircular canals 
B)  saccule 
C)  utricle 
D)  cochlea 
A)  the semicircular canals 
B)  saccule 
C)  utricle 
D)  cochlea

Question 14

What test assesses the proprioceptors involved with posture?

Accepted Answer

A)  Rinne test 
B)  Romberg test 
C)  Barany test 
D)  Weber test 
A)  Rinne test 
B)  Romberg test 
C)  Barany test 
D)  Weber test

Question 15

The middle ear .

Accepted Answer

A)  carries and amplifies the vibrations of sound waves across three little bones 
B)  contains the actual organs of hearing (the cochlea) and equilibrium (the vestibular apparatus) 
C)  conducts sound waves through a canal toward the tympanic membrane 
A)  carries and amplifies the vibrations of sound waves across three little bones 
B)  contains the actual organs of hearing (the cochlea) and equilibrium (the vestibular apparatus) 
C)  conducts sound waves through a canal toward the tympanic membrane

Question 16

The bony labyrinth is part of the .

Accepted Answer

A)  middle ear 
B)  external ear 
C)  internal ear 
A)  middle ear 
B)  external ear 
C)  internal ear

Question 17

An aging gentleman suspects that his hearing is failing. He sees a specialist who performs this test to determine the precise nature of his suspected hearing loss.

Accepted Answer

A)  Barany test 
B)  Rinne test 
C)  Weber test 
D)  audiometry test 
A)  Barany test 
B)  Rinne test 
C)  Weber test 
D)  audiometry test

Question 18

Of the following tests of balance, which one demonstrates that vision is important for balance?

Accepted Answer

A)  standing and simultaneously beginning a task that requires mental concentration 
B)  being rotated on a chair, after which the observers look for nystagmus 
C)  walking in a straight line, one foot in front of the other 
A)  standing and simultaneously beginning a task that requires mental concentration 
B)  being rotated on a chair, after which the observers look for nystagmus 
C)  walking in a straight line, one foot in front of the other

Question 19

The receptor cells for hearing lie within the _ in the _.

Accepted Answer

A)  cochlear duct (scala media); utricle 
B)  cochlear duct (scala media); spiral organ 
C)  scala tympani; spiral organ 
D)  scala vestibuli; semicircular canal 
A)  cochlear duct (scala media); utricle 
B)  cochlear duct (scala media); spiral organ 
C)  scala tympani; spiral organ 
D)  scala vestibuli; semicircular canal

Question 20

Hair cells in the crista ampullaris are _ _.

Accepted Answer

A)  embedded in the otolithic membrane 
B)  responsive to gravitational pull 
C)  topped with "heavy" crystals called otoliths 
D)  embedded in a gelatinous cap 
A)  embedded in the otolithic membrane 
B)  responsive to gravitational pull 
C)  topped with "heavy" crystals called otoliths 
D)  embedded in a gelatinous cap

Exam 25: Special Senses: Hearing and Equilibrium

Sound localization can be tested by _ .

Why is it difficult for "weightless" astronauts in space to know whether they are right side up or upside down?

Pressure waves passing through the perilymph of the cochlea compress the vestibular membrane, and ultimately displace the basilar membrane. What is true of these waves?

Tests for conduction deafness include .

Nystagmus is .

Which of the following might cause sensorineural deafness?

The name of the receptor region containing hair cells involved in detecting static equilibrium is .

The auditory ossicles transmit and amplify sound waves in the middle ear. In sequence, sound waves pass from: _ _.

Which of the following are good tests of the equilibrium apparatus?

The pharyngotympanic (auditory) tube connects the to the nasopharynx.

Which of the following structures in the inner ear is essential for maintaining static equilibrium?

Sound waves pass through this canal on their way toward the eardrum.

Within the inner ear, this structure is involved in dynamic equilibrium.

What test assesses the proprioceptors involved with posture?

The middle ear .

The bony labyrinth is part of the .

An aging gentleman suspects that his hearing is failing. He sees a specialist who performs this test to determine the precise nature of his suspected hearing loss.

Of the following tests of balance, which one demonstrates that vision is important for balance?

The receptor cells for hearing lie within the _ in the _.

Hair cells in the crista ampullaris are _ _.

The Language of Anatomy

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The Cell: Anatomy and Division

The Cell: Transport Mechanisms and Cell Permeability

Classification of Tissues

The Integumentary System

Overview of the Skeleton: Classification and Structure of Bones and Cartilages

The Axial Skeleton

The Appendicular Skeleton

Articulations and Body Movements

Microscopic Anatomy and Organization of Skeletal Muscle

Gross Anatomy of Muscular System

Skeletal Muscle Physiology: Frogs and Human Subjects

Histology of Nervous Tissue

Neurophysiology of Nerve Impulses: Frog Subjects

Gross Anatomy of the Brain and Cranial Nerves

Electroencephalography

The Spinal Cord and Spinal Nerves

The Autonomic Nervous System

Human Reflex Physiology

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Special Senses: Anatomy of the Visual System

Special Senses: Visual Tests and Experiments

Special Senses: Olfaction and Taste

Functional Anatomy of the Endocrine Glands

Endocrine Wet Labs and Human Metabolism

Blood

Anatomy of the Heart

Conduction System of the Heart and Electrocardiography

Anatomy of Blood Vessels

Human Cardiovascular Physiology: Blood Pressure and Pulse Determinations

Frog Cardiovascular Physiology

The Lymphatic System and Immune Response

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Respiratory System Physiology

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Digestive System Processes: Chemical and Physical

Anatomy of the Urinary System

Urinalysis

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Physiology of Reproduction: Gametogenesis and the Female Cycles

Survey of Embryonic Development

Principles of Heredity

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