Ear

Question 0

Name the nerve which innervates the lower cranial surface of the auricle.

Answer 0

posterior branch of the great auricular n of C2 & C3

Question 1

Name the arteries which supply the auricle.

Answer 1

posterior auricular a. & superficialtemporal a. -> both from external carotid a.

Question 2

Lymph from the superior half of the cranial surface of the auricle drains into the: (2) a. superficial parotid lymph nodes. b. mastoid lymph nodes. c. superficial cervical lymph nodes. d. deep cervical lymph nodes.

Answer 2

b. mastoid lymph nodes d. deep cervical lymph nodes

Question 3

Name the gland which produces earwax.

Answer 3

Ceramucus and sebaceous glands

Question 4

What is the size in diameter of the tympanic membrane?

Answer 4

1cm

Question 5

The tympanic membrane is the partition between the _____ and ____

Answer 5

external acoustic meatus and tympanic cavity

Question 6

Name the shallow central peak of the tympanic membrane

Answer 6

umbo

Question 7

The tympanic membrane faces to anterior, inferior and laterally. True/False

Answer 7

true (ALI)

Question 8

The superior to the lateral process of the malleus attachment on the tympanic membrane is called______.

Answer 8

flaccid part (or pars flaccid)

Question 9

The external surface of the tympanic membrane is innervated by the a. auricular nerve. c. chorda tympanic. b. tympanic nerve. d. craticotympanic nerve.

Answer 9

auricular nerve (auriculotemporal)

Question 10

The internal surface of the tympanic membrane is innervated by the a. auricular nerve. c. chorda tympanic. b. tympanic nerve. d. craticotympanic nerve.

Answer 10

B. tympanic nerve of glossopharyngeal

Question 11

Name the features on the medial wall of the tympanic cavity features.

Answer 11

features the promontory of the labyrinthine wall, formed by the initial (basal) part of the cochlea, the oval and round windows. (?)

Question 12

The space superior to the tympanic membrane in the tympanic cavity is called _____.

Answer 12

epitympanic or superior tympanic recess

Question 13

All of the following are the contents of the middle ear, EXCEPT a. malleus. b. incus. c. stapes d. modiolus

Answer 13

modiolus

Question 14

Which of the following indicates the floor of the tympanic cavity? a. tegmental wall b. jugular wall c. carotid wall d. mastoid wall

Answer 14

B. Jugular wall (tegmental roof) (carotid anterior) (Mastoid posterior) (Labyrinthine medial) (Membranous lateral)

Question 15

Name the arteries which supply the pharyngotympanic tube.

Answer 15

Ascending pharyngeal arteries of external carotid artery middle meningeal artery and artery of the pterygoid canal from maxillary

Question 16

The auditory ossicles transmit the sound wave from ____ to ____ leading to the vestibule of the labyrinth

Answer 16

across the tympanic cavity from the tympanic membrane to the oval window (fenestra vestibule)

Question 17

The ossicles are covered with regular osteogenic periosteum. True/False

Answer 17

False (lack an osteogenic periosteum) because if they had a periosteum they could grow.

Question 18

Name the part of the malleus that attaches to the flaccid part of the tympanic membrane.

Answer 18

Neck of malleus

Question 19

Which of the following describes the umbo correctly? a. Tip of the handle of the malleus b. Neck of the malleus c. Tip of the handle of the incus d. Neck of the stapes

Answer 19

tip of the handle of the malleus

Question 20

The lenticular process (of incus) articulates with ____________.

Answer 20

head of stapes

Question 21

The tensor tympanic inserts into ___________.

Answer 21

handle of malleus

Question 22

The head of the malleus lies in the ______________________

Answer 22

epitymapinic recess

Question 23

The base of the stapes is considerably smaller than the tympanic membrane, as a result the vibratory force of the stapes is increased approximately _____ times over that of the tympanic membrane.

Answer 23

10

Question 24

The auditory ossicles increase the force of the vibrations transmitted from the tympanic membrane.True/False

Answer 24

True (but decrease the amplitude)

Question 25

The tensor tympani arises from \_\_\_\_, and inserts to \_\_\_\_\_\_\_\_\_\_\_\_.

Answer 25

superior surface of pharyngotympanic tube, greater wing of sphenoid, and the petrous part of the temporal bone handle of the malleus

Question 26

The tensor tympani is innervated by the \_\_\_.

Answer 26

nerve to the medial pterygoid muscle

Question 27

Name the wall where the pyramidal eminence is for the stapedius muscle emergence

Answer 27

posterior wall of tympanic cavity (mastoid wall)

Question 28

The otic capsule of the internal ear contains , , and .

Answer 28

Cochlea, vestibule, semicircular canals

Question 29

The cochlea is the shell-shaped part of the bony labyrinth that contains for the hearing.

Answer 29

cochlear duct

Question 30

Name the bony core of the cochlear

Answer 30

modiolus

Question 31

The spiral canal of the cochlea begins at the ______ and makes ___ turns around the bony core

Answer 31

vestibule, 2.5

Question 32

The bony core of the cochlea is called

Answer 32

modiolus

Question 33

The large basal turn of the cochlea produces the _______ on the labyrinthine wall

Answer 33

prominitory

Question 34

The large basal turn of the cochlea produces , which is part of the labyrinthine wall of the tympanic cavity

Answer 34

prominitory

Question 35

Name the communicating feature between the basal turn of the cochlea and the subarachnoid space superior to the jugular foramen

Answer 35

cochlear aquaduct

Question 36

Name the structure, which covers the round window at the basal turn of the cochlear

Answer 36

secondary tympanic membrane

Question 37

The vestibule of the bony labyrinth is a small oval chamber that contains the and

Answer 37

utricle and sacule

Question 38

Name the feature, which communicates the vestibule to the posterior cranial fossa

Answer 38

aqueduct of the vestibule

Question 39

Name the feature, which transmits the endolymphatic duct

Answer 39

vestibular aqueduct

Question 40

How many openings from the semicircular canals to the vestibule?

Answer 40

5

Question 41

The membranous labyrinth composed of and

Answer 41

vestibular and cochlear

Question 42

The vestibular labyrinth contains two small communicating sacs which are known as and

Answer 42

utricle and sacule

Question 43

Name the spiral thickening of the periosteal lining of the cochlear canal, which secures the cochlear duct to the spiral canal of the cochlea.

Answer 43

spiral ligament

Question 44

Name the feature where the semicircular ducts open through openings

Answer 44

utricle

Question 45

Name the feature where the endolymphatic duct arises

Answer 45

from the bone of the posterior cranial fossa

Question 46

Name the feature which connects the saccule to the cochlear duct, as a uniting duct

Answer 46

ductus reuiens

Question 47

The primary sensory neurons of the cochlear ampulae are in ganglia, which are in the internal acoustic meatus.

Answer 47

vestibular ganglia

Question 48

The cochlear duct is a spiral tube, which is firmly suspended across the cochlear canal between the on the external wall of the cochlear canal and the ________________ of the modiolus respectively

Answer 48

spiral ligament, osseous spiral lamina

Question 49

Name the feature of the semilunar communication at the apex of the cochlea between two perilymph-filled spiral canals

Answer 49

helicotrema

Question 50

Waves of hydraulic pressure created in the perilymph of the vestibule by the vibration of the base of the stapes ascend to the apex of the cochlea through the

Answer 50

scala vestibule

Question 51

Waves of hydraulic pressure pass through the apex of the cochlear and then descend back to the basal turn of the cochlea through

Answer 51

scala tympani

Question 52

Name the receptor organ of auditory stimuli

Answer 52

organ of corti

Question 53

The receptor organ of auditory stimuli is situated on the .

Answer 53

basalar membrane and floor of the duct and outer edge of sooeus spiral lamina

Question 54

The receptor organ of auditory stimuli is overlaid by

Answer 54

gelatenous tectorial membrane

Question 55

Untreated auricular hematoma might result in the _____ or \_\_\_\_.

Answer 55

cauliflower ear, boxers ear

Question 56

How do you pull the helix to observe the adult’s tympanic membrane for the otoscopic examination?

Answer 56

posteriorsuperiorly (up, out, back)

Question 57

An earache and a bulging red tympanic membrane may indicate a sign of

Answer 57

otitis media

Question 58

Infection of the mastoid antrum and mastoid cells from a middle ear infection might cause inflammation of the mastoid process known as

Answer 58

mastoiditis

Question 59

Paralysis of the stapedius is associated with excessive acuteness of hearing called or

Answer 59

hyperacusis or hyperacusia

Question 60

Hyperacusis results from uninhibited movements of the

Answer 60

stapes

Question 61

Motion sickness results from discordance between and stimulation

Answer 61

vestibular and visual

Question 62

Name the nerve which innervates the upper cranial surface of the auricle.

Answer 62

Lesser Occipital Nerve of C2 and C3