Temporal Bone & External Ear
The external ear is the portion of ear external to the ______ ______
Tympanic Membrane
How many layers does the tympanic membrane contain?
3 layers:
Squamous Cell Epithelial Layer
Mucosal Layer
Fibrous Layer
What are the three auditory ossicles?
Malleus, incus, stapes
How many semi-circular canals are part of the vestibular periphery?
3
Finish the lyrics: "With a taste of your lips I'm on a ____"
ride
How many parts does the temporal bone have?
Five parts: Squama, mastoid, petrous, tympanic and styloid process
Which of these does the middle ear NOT contain?
* space between the tympanic membrane and the capsule of the inner ear
* the ossicular chain
* the cochlea
* mastoid air cell system
the cochlea
Does the cochlea have a high frequency apex or base?
base
The branch from which cranial nerve is known as Arnold’s nerve, the stimulation of which may cause a cough reflex when the external ear canal is cleaned or manipulated
X Vagus
Which album is "Toxic" from?
In the Zone
Superior compartment of the temporal bone contains which cranial nerve anteriorly?
VII Facial
What are the two middle ear muscles?
Tensor tympani and stapedius
Which supporting structure gives the cochlea its rigidity?
The blood supplies to external and middle ear and the blood supplies to inner ear are independent or dependent?
What is Britney's most successful chart song?
Baby One More Time
What is one of the purposes of the external ear
* Causes an increase in the level of about 10 to 15dB in a frequency range from about 1.5kHz to 7kH
* Helps with localization—timing, intensity and the difference between the two ears
On the tympanic membrane, light reflects anteroinferiorly from the ______ to form the cone of light
Umbo
What is the middle chamber of the cochlea called?
scala media
Endolymph flow is _______ to direction of angular acceleration (head motion)
Madonna
Which portion of the temporal bone has the greatest volume?
Mastoid process
Which area of the middle ear contains the bulk of the incus and malleus?
Epitympanum
The TM and ossicular chain change acoustic energy into _____ energy
mechanical
What is one of the functions of the saccule and utricle?
* Head position with respect to gravity
* Linear acceleration
Which of these shows did Britney NOT appear on:
a. Glee
b. How I Met Your Mother
c. Lucifer
d. Jane the Virgin
c. Lucifer