Video 2 Flashcards
(23 cards)
What sound waves are compared in the bottom tube?
A 300 Hz sound wave on the top and a 2000 Hz sound wave on the bottom.
What frequency is considered most important for communication?
2000 Hz is considered the most important frequency for communication.
What is the significance of the 2000 Hz frequency in hearing instruments?
It is fundamentally strong and should be focused on when programming hearing instruments.
Where is the oval window located?
AI Overview
The oval window is located in the middle ear, specifically at the junction between the middle and inner ear.
What is the role of outer hair cells?
They are frequency specific and respond to the resonating frequency once the basilar membrane is tonotopically stimulated.
What happens when outer hair cells are stimulated without specificity?
Those closer to the outside world will sustain more damage.
What frequencies are less likely to sustain damage?
Low frequencies are less likely to sustain damage.
How does hair cell damage relate to sound exposure?
Hair cells become damaged in an increasing gradient due to exposure to sound.
What does the curve of hair cell damage look like?
It shows hair cells damaged in the apex in direct proportion to sound exposure.
What is essential for the correct fitting of hearing aids?
Correct fitting and adjustments are crucial for hearing aids, especially in the high frequencies.
What is the nature of the basilar membrane?
The basilar membrane is tonotopic.
What can be compared to the size of the basilar membrane?
About the size of a garden pea.
What are the two types of nerve cells mentioned?
Myelinated nerve cells and unmyelinated nerve cells.
What is residual auditory capacity?
Understanding of hearing ability left with sensorineural hearing loss.
Why is it important to understand residual auditory capacity?
To be more diligent and attentive in assessing audiograms.
What additional feature can be added for better wireless communication?
Telecoil.
What is the significance of the small membrane mentioned in the text?
It can have a significant impact on our lives.
This refers to the cochlea and its functions in hearing.
Why are the letters ‘S’ and ‘F’ discussed in relation to the cochlea?
They illustrate how sound does not effectively transmit without the proper function of the cochlea.
The discussion highlights the connection between sound production and auditory processing.
What is meant by ‘tonotopic’ in the context of the cochlea?
It refers to the spatial arrangement of sound frequencies processed by the cochlea.
This concept is essential for understanding how different sounds are perceived.
What does the text imply about the decline of outer hair cell sensitivity?
It declines due to a lifetime of motion, even at frequencies away from the resonant frequency.
This highlights the impact of age and exposure on hearing health.
Fill in the blank: We must be complete and fulfill our obligations and requirements by ______.
[law]
This stresses the legal responsibilities of healthcare professionals.
True or False: The decline of outer hair cell sensitivity is not important for healthcare professionals.
False.
Understanding this decline is critical for effective patient care.
What impact does the text suggest professionals can have on patients’ lives?
They can significantly improve patients’ auditory health and quality of life.
This emphasizes the role of professionals in rehabilitation and education.
