Week 12 Ear Flashcards
How many turns does the cochlea have?
A. 1 ½
B. 3
C. 2 ¾
D. 2 ½
E. 3 ½
D. 2 ½
Which structure is attached to the center of the tympanic membrane?
A. Foot plate of the stapes
B. Handle (manubrium) of the malleus
C. Long process of the incus
D. Tragus
E. Utricle
B. Handle (manubrium) of the malleus
A patient with a facial nerve paralysis suffers from inability to dampen loud noises (hyperacusis) due to denervation of which muscle?
A. Posterior belly of digastric
B. Stapedius
C. Tensor tympani
D. Stylohyoid muscle
B. Stapedius
A patient complains of loss of hearing in the right ear. Examination reveals otosclerosis of the footplate of the stapes to the surrounding bone. Which part of the bony labyrinth is involved?
A. External acoustic meatus
B. Cochlear (round) window
C. Cochlear duct
D. Internal acoustic meatus
E. Vestibular (oval) window
E. Vestibular (oval) window
How many semicircular canals does each inner ear contain?
A. 1
B. 2
C. 3
D. 4
E. 6
C. 3
The two parts of the inner ear responsible for your sense of balance are:
A. Saccule and malleus
B. Utricle and stapes
C. Semicircular canals and vestibule
D. Cochlea and semicircular canals
E. Vestibule and cochlea
C. Semicircular canals and vestibule
The Organ of Corti is present in
A. scala vestibuli
B. scala tympani
C. scala media
D. none of the above
C. scala media
The membranous labyrinth contains
A. Cystolymph
B. Otolymph
C. Perilymph
D. Endolymph
D. Endolymph
Find the correct statement about Inner ear
A. made up of bony and membranous segments
B. membranous labyrinth encloses bony labyrinth
C. endolymph surrounds membranous labyrinth
D. air-filled inner segment
A. made up of bony and membranous segments
The inner ear:
A. is filled with fluid
B. collects vibrations from the middle ear
C. brings vibrations to the hearing receptors
D. is made up of 2 parts
E. all of the above
E. all of the above
What is the name of the triangular middle chamber
filled with endolymph and housing the spiral organ
between the scala vestibuli and scala tympani of the
cochlea?
a. Membranous ampulla
b. Scala media
c. Semicircular canal
d. Cupula
e. Vestibule
b. Scala media
What part of the temporal bone contains the
mastoid process?
a) Squamous
b) Petrous
c) Tympanic
d) Styloid process
b) Petrous
The auditory ossicles are:
a) Malleus, pinna, stapes
b) Malleus, stapes, incus
c) Stapes, incus, pinna
d) Modiolus, stapes, incus
b) Malleus, stapes, incus
The ear drum is otherwise known as the?
a) Tympanic membrane
b) Auditory canal
c) Pinna
d) Oval window
a) Tympanic membrane
The structure just medial to the
oval window is the
a) vestibule
b) semicircular canals
c) Cochlea
d) helix
a) vestibule
