Head and Neck final: Packet 13 Ear

Question 1

**The superior thin part of the membrane is called ___ and the remaining part of the membrane is called ___

Answer 1

pars flaccida

pars tensa

Question 2

**Anteriorly, the tympanic cavity is connected with the nasopharynx by the ___

Answer 2

Auditory (pharyngotympanic) tube

Question 3

**Posteriorly the tympanic cavity is connected with the ___ cells through the ___

Answer 3

mastoid

mastoid Antrum

Question 4

**Tegmental wall (roof) of tympanic cavity is formed by a thin plate of bone, ___

Answer 4

tegmen tympani

Question 5

**Jugular wall (floor) of tympanic cavity is formed by the ___

Answer 5

jugular fossa

Question 6

**The handle of the malleus is attached to the ___

Answer 6

tympanic membrane

Question 7

**Labyrinthine wall (medial wall) of tympanic membrane has the (3)

Answer 7

Promontory
Oval Window
Round WIndow

Question 8

**AKA for Oval window

Answer 8

fenestra vestibuli

Question 9

**Mastoid wall (posterior wall) of tympanic cavity has the aditus to the (3)

Answer 9

mastoid antrum
facial canal
pyramidal eminence

Question 10

**Carotid wall (anterior wall) of tympanic cavity has the ___ (contains the internal carotid artery with its sympathetic plexus), opening of the ___ tube and the canal for ___ muscle

Answer 10

carotid canal
pharyngotympanic
tensor tympani

Question 11

** Pharyngotympanic (auditory) tube lies in the anterior wall of the tympanic cavity and connects the ___ to ___

Answer 11

cavity

nasopharynx

Question 12

**Malleus handle is embedded in the ___

Answer 12

Tympanic Membrane

Question 13

**The tendon of tensor tympani muscle inserts into its handle of malleus and the ___ nerve crosses it

Answer 13

chorda tympani

Question 14

**Tensor tympani Origin is from (3)

Answer 14

Cartelagenous part of auditory tube
Greater wing of sphenoid
Petrous part of temporal

Question 15

**Tensor tympani nerve supply

Answer 15

Mandibular N

Question 16

**Internal ear contains the ___ organ concerned with the reception of ___ and the maintenance of ___, consists of the sacs and the ducts

Answer 16

vestibulocochlear
sound
balance

Question 17

**Internal ear has two parts, a bony labyrinth, filled with ___ and a membranous labyrinth contains___

Answer 17

perilymph

endolymph

Question 18

**Bony labyrinth is composed of three parts…

Answer 18

Cochlea
Vestibule
3 semicircular canals

Question 19

**Cochlea is a shell - shaped part, spirally coiled, contains the ___, concerned with hearing

Answer 19

cochlear duct

Question 20

**The large basal turn of the cochlea produces the ___

Answer 20

promontory

Question 21

**Vestibule contains the ___ and ___, parts of the balancing apparatus (vestibular labyrinth)

Answer 21

utricule

saccule

Question 22

**The lateral wall of vestibule has the ___, occupied by the base of the ___

Answer 22

Oval window

stapes

Question 23

**Semicircular canals have a swelling at one end called ___

Answer 23

bony ampulla

Question 24

**Membranous labyrinth consists of…

Answer 24

Sacs and tubes
Utricule and saccule
Cochlear duct
3 semicircular ducts

Question 25

**Internal acoustic meatus transmits the ___ nerve, branches of ___ nerve and ___ vessels

Answer 25

facial
vestibulocochlear
Labyrinthine