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MI #3
| Question | Answer |
|---|---|
| A graphic representation of the relation of vibration frequency and the minimum sound intensity for hearing. | Audiogram |
| Electrical prosthetic device that enables people to recognize sounds and consists of an external microphone and speech processor that receive and convert sound waves into electrical signals which are transmitted to electrodes implanted in the cochlea. | Cochlear Implant |
| Hearing loss or impairment resulting from interference with the transmission of sound waves to the cochlea. | Conductive Hearing Loss |
| An electronic device usually worn by a person for amplifying sound before it reaches the receptor organs. | Hearing aid |
| The essential part of the vertebrate organ of hearing and equilibrium that includes the vestibule, the semicircular canals, and the cochlea. | Inner ear |
| The intermediate portion of the ear containing a chain of three ossicles that extends from the tympanic membrane to the oval window and transmits vibrations to the inner ear. | Middle ear |
| The outer visible portion of the ear that collects and directs sound waves toward the tympanic membrane by way of a canal which extends inward through the temporal bone. | Outer ear |
| Hearing Loss or impairment resulting from problems with the auditory nerves | Sensorineural hearing loss |
| Mechanical energy that is transmitted by longitudinal pressure waves in a medium (such as water or air). | Sound |
| Pinna | Collects sound waves and guides them into the ear canal. |
| Auditory canal | A passageway that channels sound waves toward the eardrum. |
| Eustachian Tubes | Equalize air pressure in the middle ear and drain fluid away from it. |
| Ossicles | Transmit sound vibrations from the eardrum to the inner ear. |
| Tympanic membrane | Connects sound waves into mechanical vibrations and transmits them to the middle ear. (Eardrum) |
| Cochlea | Where sound vibrations are converted into electrical nerve signals. |
| Sensory hair cells | Convert physical vibrations into electrical signals for the brain. |
| Cochlear nerve | Carries electrical signals from the inner ear to the brainstem |
| Oval window | Moves sound vibrations from the middle ear to the inner ear. |
| Vestibule | Detects movement and head position to help maintain balance and spatial awareness. |
| Vestibular nerve | Carries balance and spatial awareness signals from the inner ear to the brain. |
| What is sensorineural hearing loss? | When damage occurs to the hair cells in the cochlea or there is damage to the auditory nerve pathways. Most common type of hearing loss. Can be cussed by disease. |
| What is conductive hearing loss? | When sound waves cannot pass through the outer ear to reach the inner ear. Most likely an issue with outer ear, eardrum, or middle ear. |
| A logarithmic unit showing the ratio between power and intensity. Measured as the intensity of a sound. | Decibel |
| The number of waves per second. | Frequency |
| Unit of frequency | Hertz |
| What is an ENT? | A specialist that diagnoses and treats disorders of the head and neck, They focus on the ears, nose, and throat, |
| What is an audiologist? | Specializes in hearing and balance. |
| Malleus | One of the ossicle bones that is connected the eardrum and receives initial sound vibrations. |
| Incus | Middle ossicle bone that acts like a bridge connecting the other two bones. |
| Stapes | Ossicle bone that connects to the oval window and icnus. |
| KNOW HOW TO LABEL THE DIFFERENT PARTS OF THE EAR. | :) |
| KNOW HOW TO INTERPRET AUDIOGRAMS | :) |
| What are the different types of interventions for hearing loss? | Assistive devices and technology, hearing aids, and coclear implants. |
| What are assistive devices and technology? | They are any device that helps a person with hearing loss to communicate. |
| What are hearing aids? | An electronic device that has a small microphone that collects sound and turns it into electrical signals. Then the signals are converted into sound waves by a speaker and sent to the inner ear, where they are processed. Make environmental sounds louder. |
| What are cochlear implants | Electronic device that is surgically put into the ear and works to directly stimulate the auditory nerve. |
| What are pros to a cochlear implant? | Helps people hear the sounds around them, improves hearing in noisy environments, improves speech and language development for children, |
| What are the cons to cochlear implants? | General anesthesia risks, injury to the facial nerve, meningitis, fluid leaks and infections, hearing sound differently, children need training with the implantation. |
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