final review

Question 1

What is a cartilage that prevents foreign substances from entering trachea?

Answer 1

epiglottis

Question 2

What cartilage has two lamina, a notch, prominence, superior and inferior cornu?

Answer 2

thyroid cartilage

Question 3

Which portion of the tympanic membrane is likely to rupture?

Answer 3

pars tensa

Question 4

What houses the organ of hearing?

Answer 4

Cochlea

Question 5

What can you see through the tympanic membrane?

Answer 5

malleolar stria/manubrium of the malleus

Question 6

What are likely laryngeal vestigial structures?

Answer 6

corniculate and cuneiform cartilages

Question 7

What laryngeal muscle is paired and is a tensor, abductor and regulates pitch?

Answer 7

thyroarytenoid

Question 8

What portion of the tympanic membrane has both fibers?

Answer 8

the second layer; concentric and radial fibers

Question 9

what middle ear bone is connected to the vestibule?

Answer 9

stapes

Question 10

Intrinsic muscles that abduct and adduct vocal folds?

Answer 10

adduct:
thyroarytenoid
lateral cricoarytenoid
interarytenoids

abduct:
posterior cricoarytenoid

Question 11

What helps us balance?

Answer 11

Vestibule; semicircular canals

Question 12

Vestibule dilates at the what?

Answer 12

junctions; ampulla

Question 13

What is not continuous with semicircular canals?

Answer 13

is: cochlea and vestibule

Question 14

What is critical to adduction of vocal folds and has oblique and transverse fibers?

Answer 14

arytenoid/ interarytenoid muscles

Question 15

What is the movement of cilia cells called?

Answer 15

bending/shearing

Question 16

What forms the floor of the Scala media?

Answer 16

Basilar membrane

Question 17

What paired cartilages are pyramid shaped and sit atop the cricoid?

Answer 17

arytenoid cartilage

Question 18

What does the footplate fit into?

Answer 18

oval window

Question 19

Planes of movement for semicircular canals cover how many?

Answer 19

3
forward-backward
side to side
rotation of head

Question 20

What is the color of the tympanic membrane and what can be seen if it is healthy?

Answer 20

pearl-grey

white reflection (cone of light)
manubrium of the malleus

Question 21

Another name for earwax

Answer 21

cerumen

Question 22

What muscle protects the ear from noise?

Answer 22

tensor tympani

Question 23

At what joint do the stapes and incus attach?

Answer 23

lenticular process

incudo-stapedial joint

Question 24

Where does the malleus attach to the apex?

Answer 24

umbo (cone of the tympanic membrane

Question 25

What are the landmarks of the incus?

Answer 25

body, short process, and long process. lenticular process

Question 26

What can be viewed through the tympanic membrane?

Answer 26

malleolar stria/manubrium of the malleus

Question 27

What cartilage is ring-shaped?

Answer 27

cricoid cartilage

Question 28

What is the external portion of the ear called?

Answer 28

pinna

Question 29

What allows blood and nerve supply to the ear?

Answer 29

modiolus

Question 30

What do you assess during oral peripheral exam?

Answer 30

face, lips, tongue, teeth, palate, cheek, kinesthetic awareness

Question 31

What is the fenestra vestibuli?

Answer 31

oval window opening connecting middle ear to cochlea

Question 32

What is the gelatinous sac hinged at the vestibular lip of the spiral lamina?

Answer 32

tectorial membrane

Question 33

What is the opening between pharynx and tympanic cavities?

Answer 33

Eustachian tube

Question 34

What are the landmarks of the malleus?

Answer 34

head, neck, manubrium, anterior process, lateral process

Question 35

What is the primary organ of hearing?

Answer 35

Spiral Organ Organ of Corti

Question 36

What is a glue-like infections draining?

Answer 36

glue ear middle ear infection causing tympanic membrane to rupture and infection drain

Question 37

What is the highly vascular portion of the Scala media?

Answer 37

Stria Vascularis

Question 38

Mandibular elevators

Answer 38

massester temporalis internal pterygoid

Question 39

Mandibular depressors

Answer 39

digastrics mylohyoid geniohyoid external pterygoid

Question 40

Describe sounds entering the ear and how it is transmitted from the outside

Answer 40

vibrations from from air are transmitted through the ossicular chain to the oval window causing fluid in inner ear to move this moves the tectorial membrane, causing cilia to move=neural potentials in auditory nervous system

Question 41

Why are children more susceptible to ear infections due to Eustachian tube?

Answer 41

The eustachian tubes of children are more horizontal, preventing the proper drainage from occurring

Question 42

What are the biological functions of the larynx?

Answer 42

valve to prevent foreign substances, fixate thorax, expel substances

Question 43

What is the only bone in the larynx?

Answer 43

hyoid bone

Question 44

angle of pinna

Answer 44

30 degrees if 10 degrees off, it is noticed by others