Jarvis 16 (Ears)

Question 1

The ear is the sensory organ for hearing and maintaining equilibrium. It has three parts: _____, _____, and _____

Answer 1

the external, middle, and inner ear.

(Jarvis Ch 16 Key Points)

Question 2

The ear is the sensory organ for ____ and ____

Answer 2

hearing and maintaining equilibrium

(Jarvis Ch 16 Key Points)

Question 3

The shape of the external ear funnels sound waves into its opening, the __________

Answer 3

external auditory canal

(Jarvis Ch 16 Key Points)

Question 4

The ___________, separates the external and middle ear.

Answer 4

tympanic membrane (or eardrum)

(Jarvis Ch 16 Key Points)

Question 5

What should the tympanic membrane look like?

Answer 5

translucent and pearly gray

(Jarvis Ch 16 Key Points)

Question 6

The ______ pulls at the center of the ear, causing it to appear oval and slightly concave.

Answer 6

malleus

(Jarvis Ch 16 Key Points)

Question 7

The__________ is the small, slack, superior section of the membrane.

Answer 7

pars flaccida

(Jarvis Ch 16 Key Points)

Question 8

The _________ is the remainder of the membrane. It is thicker and more taut.

Answer 8

pars tensa

(Jarvis Ch 16 Key Points)

Question 9

The _______is the outer fibrous rim of the ear drum.

Answer 9

annulus

(Jarvis Ch 16 Key Points)

Question 10

The _______ is a small air-filled cavity inside the temporal bone.

Answer 10

middle ear

(Jarvis Ch 16 Key Points)

Question 11

The middle ear is a small air-filled cavity inside the ______ bone.

Answer 11

temporal

(Jarvis Ch 16 Key Points)

Question 12

The middle ear contains three bones: _____, _____, and ____

Answer 12

malleus, incus, and stapes

(Jarvis Ch 16 Key Points)

Question 13

What are the three functions of the middle-ear?

Answer 13

Conduct sound
Protects the inner ear
Equalization of air pressures

(Jarvis Ch 16 Key Points)

Question 14

The _____ allows equalization of air pressure on each side of the tympanic membrane.

Answer 14

eustachian tube

(Jarvis Ch 16 Key Points)

Question 15

The eustachian tube allows equalization of air pressure on each side of the _______.

Answer 15

tympanic membrane

(Jarvis Ch 16 Key Points)

Question 16

The _______ contains the bony labyrinth, which holds the sensory organs for equilibrium and hearing. In the labyrinth, the vestibule and semicircular canals compose the vestibular apparatus, and the cochlea contains the central hearing apparatus. Although the inner ear is not accessible to direct examination, you can assess its function.Y

Answer 16

Inner ear

(Jarvis Ch 16 Key Points)

Question 17

The inner ear contains the bony labyrinth, which holds the sensory organs for

Answer 17

equilibrium and hearing

(Jarvis Ch 16 Key Points)

Question 18

In the labyrinth, the _______ and ______ compose the vestibular apparatus, and the cochlea contains the central hearing apparatus. Although the inner ear is not accessible to direct examination, you can assess its function.Y

Answer 18

vestibule and semicircular canals

(Jarvis Ch 16 Key Points)

Question 19

In the _____ , the vestibule and semicircular canals compose the vestibular apparatus.

Answer 19

labyrinth

(Jarvis Ch 16 Key Points)

Question 20

The ______contains the central hearing apparatus. Although the inner ear is not accessible to direct examination, you can assess its function.

Answer 20

cochlea

(Jarvis Ch 16 Key Points)

Question 21

Hearing loss may be ______, _____, or _____.

Answer 21

conductive, sensorineural, or mixed

(Jarvis Ch 16 Key Points)

Question 22

_____, _____, and _____ are some examples of what may cause conductive hearing loss.

Answer 22

Cerumen buildup, otosclerosis, and ototoxic

(Jarvis Ch 16 Key Points)

Question 23

Hearing involves the auditory system at the _____, _____, and _____ levels.

Answer 23

peripheral, brainstem, and cerebral cortex

(Jarvis Ch 16 Key Points)

Question 24

In infants, the eustachian tube is __________ than it is in an adult.

Answer 24

relatively short and wide and is more horizontal

(Jarvis Ch 16 Key Points)

Question 25

In adults younger than age __, otosclerosis is a common cause of conductive hearing loss.

Answer 25

40

(Jarvis Ch 16 Key Points)

Question 26

In adults younger than age 40, _______ is a common cause of conductive hearing loss.

Answer 26

otosclerosis

(Jarvis Ch 16 Key Points)

Question 27

In aging adults, hearing acuity may be decreased because of _____. _____. and _____.

Answer 27

the coarse and stiff cilia lining the ear, impacted cerumen, and nerve degeneration in the inner ear

(Jarvis Ch 16 Key Points)

Question 28

cerumen ___, ____, and ____ the external auditory canal. Cerumen also is _____, and it _______

Answer 28

lubricates, waterproofs, and cleans
antibacterial and traps foreign bodies

(Jarvis Ch 16 Key Points)

Question 29

Upon otoscopic examination, the tympanic membrane position may be ____, ____, or ____.

Answer 29

flat, bulging, or retracted

(Jarvis Ch 16 Key Points)

Question 30

To assess the vestibular apparatus, perform the _______, which evaluates the inner ear’s ability to maintain standing balance.

Answer 30

Romberg test

(Jarvis Ch 16 Key Points)

Question 31

To assess the _________ _______, perform the Romberg test, which evaluates the inner ear’s ability to maintain standing balance.

Answer 31

vestibular apparatus

(Jarvis Ch 16 Key Points)

Question 32

To assess the vestibular apparatus, perform the Romberg test, which evaluates the:

Answer 32

inner ear’s ability to maintain standing balance

(Jarvis Ch 16 Key Points)

Question 33

In an older adult, expect the tympanic membrane to appear____, ____, and ___ than in a younger adult.

Answer 33

whiter, more opaque, and duller

(Jarvis Ch 16 Key Points)

Question 34

In an ______ adult, expect the tympanic membrane to appear whiter, more opaque, and duller than in a _____ adult.

Answer 34

older , younger

(Jarvis Ch 16 Key Points)