Ear

Question 1

auricle is the projecting

Answer 1

cartilage structure on the side of the head

Question 2

the auricle direct the

Answer 2

air vibrations into the external auditory meatus

Question 3

External Auditory Meatus is the tube or canal leading

Answer 3

fromt eh auricle to the tyrannic membrane

Question 4

outer portion of the auricle is

inner portion of the auricle is

Answer 4

cartilage

bone from tympanic temporal

Question 5

the Middle Ear includes

Answer 5

Tympanic cavity

Epitympanic cavity

Question 6

the tympanic cavity is the space between then

Answer 6

tympanic membrane and the bony inner ear

Question 7

the middle ear is connected to the nasal pharynx

Answer 7

by the pharyngotympanic tube

auditory tube

Question 8

the middle ear is connected to the mastoid air cells by the

Answer 8

mastoid antrum

Question 9

air pressure waves hitting the tympanic membrane are transformed into

Answer 9

mechanical force and amplified by ear ossicles

Question 10

transformed into mechanical force at the

Answer 10

foot plate of the stapes in the oval window

Question 11

mechanical force is transformed into pressure waves in a

Answer 11

liquid with in the bony labyrinth

Question 12

order of the ear ossicles

Answer 12

malleous
incus
stapes

Question 13

1st pharyngeal arch bones

Answer 13

malleous & incus

Question 14

2nd pharyngeal arch bones

Answer 14

stapes

Question 15

vibrations are transmitted to the inner ear by the

Answer 15

perilymph of the vestibule within the petrous temporal bone

Question 16

muscles in the tympanic cavity

Answer 16

Tensor Tympani

Stapedius

Question 17

Tensor Tympani attaches to the

Answer 17

malleous

Question 18

Tensor Tympani is innervated by

Answer 18

V3

Question 19

Tensor Tympani is derived from

Answer 19

1st pharyngeal arch

Question 20

Stapedius attaches to

Answer 20

stapes

Question 21

Stapedius is innervated by

Answer 21

Facial N.

Question 22

Stapedius is derived from

Answer 22

2nd pharyngeal arch

Question 23

sensory to the middle ear region and inner surface of ear drum

Answer 23

Tympanic N.

Question 24

Tympanic N. is from what cranial nerve

Answer 24

Glossopharyngeal N.

IX

Question 25

branch of Tympanic N. is

Answer 25

Lesser Petrosl N.

Question 26

Lesser Petrosal N. is innervation to what

Answer 26

parasympathetic fibers to Otic Ganglion & Parotid gland

Question 27

Chorda Tympani N. does what

Answer 27

crosses inter surface of the Tympanic Membrane

Does NOT INNervation structures of the ear

Question 28

Chorda Tympani N. is a branch of

Answer 28

Facial N.

VII

Question 29

inner ear is situated in the

Answer 29

petrous part of the temporal bone

Question 30

the inner ear consists of

Answer 30

bony labyrinth

membranous labyrith

Question 31

the bony labyrinth has 3 parts

Answer 31

vestibule
semicircular canals
cochlea

Question 32

Vestibule is the

Answer 32

central part

the round & oval window are in its lateral wall

Question 33

Semicircular Canals is

Answer 33

balance
posterior, superior, & lateral canals
open into the post. aspect of the vestibule

Question 34

Cochlea is the

Answer 34

hearing
resembles a snail shell
opens into the anterior part of the vestibule

Question 35

inner ear is innervated by the

Answer 35

Vestibular N. and Cochlear N.

Vestibulocochlear VIII

Question 36

stapes transmits pressure to the oval window and into the labyrinth via

Answer 36

perilymph