Physical Qualification Standards and Advisory Criteria - Hearing Flashcards
Hearing standards
First perceives a forced whispered voice in the better ear at not less than 5 ft w/ or w/o hearing aid
OR
With audiometric device, average hearing loss in the better ear not greater than 40dB at 500hz, 1000hz, and 2000hz w/ or w/o hearing aid.
What are the two tests for hearing screening?
Forced whisper test
Audiometric test
Which hearing test should be administered first?
Either test may be administered first
Test both ears
Administration of the second test may be omitted when the driver passes the first test.
When a hearing aid is used to meet the hearing qualification requirement…
The hearing aid must be used when driving
The ears should be examined for …
Scarring of the TMs
Occlusion of the external ear canal
Perforated eardrums
What is required when a driver who wears a hearing aid is unable to pass a forced whisper test?
Referral to an audiologist, otolaryngologist, or hearing aid center is required
What frequencies are used for the audiometric test?
500Hz
1000Hz
2000Hz
Average of the three should be less than or equal to 40dB in the better ear
When a hearing aid is to be worn during audiometric testing…
An audiologist or hearing aid center should perform the test using appropriate audiometric equipment.
When findings are inconclusive regarding medical fitness for duty…
Ancillary tests and/or additional evaluation by a specialist (audiologist or ENT) may be required to obtain sufficient medical info to determine certification status.
May a driver be certified with vertigo?
Uncontrolled vertigo is disqualifying
What is the waiting period for certification of a driver with vertigo?
May be certified after completing at least 2 months symptom free with a diagnosis or benign positional vertigo, or acute and chronic peripheral vestibulopathy
What ear conditions are disqualifying?
Meniere’s Disease
Labyrinthine Fistula
Nonfunctioning Labyrinth
