QuestionSBA
QuestionChoice
This is incorrect because the tympanic membrane is externally lined by a thin skin and internally lined by mucous membrane
10009713
d
The tympanic membrane is externally lined by mucous membrane and internally lined by thin skin
QuestionChoice
This is the incorrect answer as the tip links pull and push causing an opening, allowing K+ ions in to depolarise the neuron.
10009711
b
Attached to the top of stereocilia are tip links, which when they move pull and push cause an opening, allowing K+ ions to rapidly leave the synapse and allowing Ca2+ ions in
QuestionChoice
This is incorrect as the role of the semi-circular canals is as a balance system and helps in orientation in space
10009714
e
The role of the semi-circular canals is to help collect sound and determine the direction of a sound
QuestionChoice
This is incorrect, the Anvil and Stirrup will actually convert the vibrations of the air into vibrations in the bone to facilitate the understanding of sound
10009712
c
At the end of the ear canal, the Anvil and Stirrup play a role in converting vibrations (sound waves) of the air into electrical vibrations within the ear to allow the understanding of sound
QuestionChoice
This is the correct answer
10009710
a
Attached to the top of stereocilia are tip links, which when they move pull and pushes causing an opening, allowing K+ ions to depolarise neurons and allowing Ca2+ ions in allowing neurotransmitters through the synapse
Concept
Chapter
2693
5377
Hearing
Topic
141
Neurology
14490
Which one of the following statements regarding the mechanism of hearing is correct?
a