Hearing Flashcards
1
Q
lower the pitch…
A
lower the frequency
2
Q
what is the range of frequency for human hearing
A
20-20000Hz
3
Q
name the three ossicles
A
malleus, stapes, incus
4
Q
what part of the ear are the ossicles located
A
middle ear
5
Q
what are the functions of the ossicles
A
- connect the tympanic membrane to the inner ear
- match low impedance external sounds to the higher impedance fluid of inner ear
6
Q
travelling of a low impedance medium to a higher impedance medium causes ….
A
reflection
7
Q
is water a high or low impedance medium
A
high
8
Q
the ______ connects the middle ear to the pharynx
A
eusatchian tube
9
Q
what is the function of the eustachian tube
A
allows for equalization of air pressure on either side of the tympanic membrane
