Ear Flashcards
the following statements concerning the tympanic cavity is correct
It contains chorda tympany
It contains facial nerve
It contains the handle of the malleus
It contains stapedial nerve
. tympanic cavity belongs to the middle ear
it is in connection with the pharynx
it contains the auditory ossicula
the following statements concerning the lateral wall of the tympanic cavity is correct,
It is formed by tympanic membrane and above it by the squamous part of the temporal bone
it consist mainly of the tympanic membrane
most of the tympanic membrane circumference is a thickened fibrocartilaginous ring attached to the tympanic sulcus
the tympanic sulcus is deficient superiorly
it consist mainly of the tympanic membrane
most of the tympanic membrane circumference is a thickened fibrocartilaginous ring attached to the tympanic sulcus
Correct statements about the tympanic membrane include which of the following..
tympanic membrane separates the tympanic cavity from the external acoustic meatus
it forms an angle of about 550 with the floor of the meatus
it is nearly oval in shape
the pars tensa is composed of three strata
pars flaccida is smaller part of the tympanic membrane
superior part is pars flaccida
external surface has cocavity-umbo of tympanic membrane
Correct statements about the vestibule include which of the following?
Vestibule is the central part of the bony labyrinth
Fenestra cochleae is closed by the secondary tympanic membrane
Correct statements about cochlea include which of the following:
it lies in front of vestibule
it contains the membranous cochlear duct
spiral lamina projects from the modiolus
Its central axis is modiolus
its base faces bottom of the internal accoustic meatus
osseus spiral canal spirals about 2,5 turn around osseus spiral lamina
All of the following statements concerning the semicircular canals are correct…
. there is three semicircular canals
. they contained the semicircular ducts
. semicircular ducts are attached to the semicircular canals
they are different in size
Correct statements about the labyrinth include which of the following:
It is a continuous system of ducts contained within the osseous labyrinth
Semicircular canals communicate with the utricle
it contains perilymph
semicirculaer canal system detects and responds to angular acceleration and deceleration of the head.
. membranous labyrinth is a closed system
utricule and saccule are located within the vestibule of the bony labyrinth
the following statements concerning the utricle is correct ?
. it is irregular, oblong dilated sac
the ampula of the posterior canal opens into it
. macula of utricle is the largest of the vestibular sensory areas
. it is in contact with eliptic recess
. Correct statements about the pyramid include which of the following:
. it lies between the median fissure and the anterolateral sulcus
at its rostral end, at the junction with the pons, the N. VI emerges
The hyperacusis associated with the ear results from involvement of,,,
the stapedius muscle
following statements concerning the external acoustic meatus are correct…
. The osseous part is directed anteromedially
The skin of the auricle continues into the external acoustic meatus
It extends from the concha to the tympanic membrane
cartilaginous part contain ceruminous gland
The stapedius is supplied by the facial nerve
the following statements concerning the auditory tube are correct
. it is about 36 mm long
. the cartilagenous part is longer
. the tube is open during deglutition
the following statements concerning the mastoid antrum is correct?
Its lateral wall corresponds to the suprameatal triangle
All of the following statements concerning the auditory ossicles are correct
they transfer sound waves from the tympanic membrane to the fenestra vestibuli
they articulates with each other with typical synovial joints
they are connected to the tympanic walls by ligaments
stapes is the smallest
the following statements concerning the Broca’s speech area is correct ?
It is located in the inferior frontal gyrus in the dominant hemisphere .
It comprises areas 44 and 45
Audiovisual areas (22, 39 and 40) are connected with the Broca’s speech area
Ii is connected with the area 22
It is located in the posterior part of the inferior frontal gyrus in dominant hemispheres
its continuosus system of ducts contained within the bony labyrinth
it communicate with utricle
it devided into 4 major region
semicircular canal communicate with the utricle
membranous labyrinth has utricle saccule and cochlear duct but it doesnt have semicircular cana;
