The primary purpose of a hearing aid is to:
Increasing bone conduction thresholds
Amplify sound to make it audible and usable
Increase word recognition to 100%
Restore normal cochlear function
The component of a hearing aid that converts acoustic energy to electrical signals is the:
Microphone
Sound waves
Speaker
Amplifier
The telecoil feature on hearing aids is primarily used for:
Hearing induction loop systems and telephone conversations
Impr. listening comfort, though not always word recogntion
Masking tinnitus
Streaming high-frequency noise
Real-ear measurement (probe microphone testing) assesses:
Impr. listening comfort, though not always word recognition
Increasing overall gain
Amplification received at the eardrum
Eliminating background noise entirely
Directional microphones improve:
Amplification received at the eardrum
Speech-in-noise understanding
Vestibular function
Bone conduction thresholds
Feedback in hearing aids is typically caused by:
Sound leakage from a poor earmold seal
Overamplification of low frequencies only
Excessive wax
Dead battery
Which fitting formula is widely used for pediatric hearing aids?
DSL (Desired Sensation Level)
Speech Reception Threshold (SRT-SRT2)
National Acoustic Laboratories-Revised (NAL-R)
National Acoustic Laboratories–Non-Linear 2 (NAL-NL2)
Open-fit hearing aids are MOST appropriate when:
Hearing loss is profound
Low-frequency hearing is normal and high-freq. SNHL exists
Limited benefit from appropriately fit hearing aids
Electrically stimulating the auditory nerve
The internal CI electrode array is placed in the:
Scala media
Stapes
Scala vestibuli
Scala tympani
CI mapping refers to:
Measuring tympanometry
Programming stimulation levels for each electrode
Setting frequency-specific gain like a hearing aid
Creating a CT scan
Electrodes in a Cochlear Implant (CI) are arranged to preserve:
The round window membrane only
Setting frequency-specific gain like a hearing aid
Tonotopic organization of the cochlea
Acoustic feedback
A child with auditory neuropathy spectrum disorder (ANSD) may benefit from:
Bone-anchored device only
Cochlear implantation
Tympanostomy tubes
Otoscopic cleaning
Which of the following is NOT an absolute contraindication for CIs?
Cochlear aplasia
Severe cognitive impairment
Complete auditory nerve absence
Active middle ear infection
Hybrid (electric-acoustic) implants are typically recommended for:
Auditory pathways that require early, consistent stimulation
Residual low-frequency hearing + steep high-frequency SNHL
Conductive loss only
Profound bilateral SNHL
The “Ling Six Sounds” are used for Cochlear Implant (CI) users to assess:
Middle ear pressure
Directional microphone function
Audibility of speech frequencies
Ear canal resonance
Children with Cochlear Implants (CIs) need early intervention because:
Cochlear Implant use eliminates need for therapy
Cochlear Implant mapping resets language
Hearing improves automatically
Auditory pathways require early, consistent stimulation
