Review with Verified Answers | 100% Correct.
A driver has loss of hearing in the better ear of 25 dB loss at 500
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Hz, 40 dB loss at 1000 Hz, and 60 dB loss at 2000 Hz. With respect
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to the hearing requirement for medical certification, the driver
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__________.
May be certified for one year.
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May be certified for two years.
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May not be certified.i,- i,- i,-
May be certified if examined by an otolaryngologist who is
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familiar with the CMV driving duties who certifies the driver as
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medically qualified to drive a CMV. May not be certified.
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Explanation: An average hearing loss of 41.7 decibels averaged i,- i,- i,- i,- i,- i,- i,- i,- i,-
across 500, 1000, and 2000 Hz in the better ear is disqualifying.
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The driver should be referred to obtain a hearing aid and may be
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certified if the driver passes while wearing a hearing aid. A
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specialist cannot determine certification, and a specialist cannot
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override medical qualification standards such as the minimum
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hearing requirement. i,-
,Which of the following is acceptable for a driver who wears a
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hearing aid? i,-
Testing of the driver's hearing is waived if the driver presents a
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letter from a qualified specialist.
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Testing of the driver's hearing may be performed by the medical
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examiner using audiometric testing equipment.
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Testing of the driver's hearing may be performed by an
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audiologist or otolaryngologist using specialized audiometric
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testing equipment.
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Testing of the driver's hearing may be performed at 1,000 Hz
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only. Testing of the driver's hearing is waived if the driver
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presents a letter from a qualified specialist.
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Testing the hearing of a driver who wears a hearing aid may be
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accomplished in three ways: 1) whisper test, 2) audiometric i,- i,- i,- i,- i,- i,- i,- i,- i,-
testing by an otolaryngologist using specialized audiometric
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testing equipment, or 3) audiometric testing by an audiologist
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using specialized audiometric testing equipment. Audiometric
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testing is required to be conducted at 500 Hz, 1000 Hz, and 2000
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Hz.
Passing Requirements for Vision Tests
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glasses and/or contact lenses may be used.
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,Distance binocular acuity of at least 20/40 (Snellen) in each eye
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with or without corrective lenses. Field of vision of at least 70º in
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the horizontal meridian in each eye. Monocular vision - vision
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meeting requirements in only one eye - is disqualifying by
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regulation.
The ability to recognize the colors of traffic signals and devices
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showing standard red, green, and amber. i,- i,- i,- i,- i,-
Contact lenses that correct vision in one eye for distance and the
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other eye for near are not acceptable.
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Results must be converted to Snellen values if another test is used.
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Measured in each eye individually and both eyes. i,- i,- i,- i,- i,- i,- i,-
Drivers who wear corrective lenses should be advised to carry
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spare glasses. i,-
In general, any vision condition, such as lazy eye, glaucoma,
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cataract, and others, is not disqualifying as long as the driver
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meets minimum vision testing parameters.
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FMCSA is Federal Motor Carrier Safety Administration. Is
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overseen by the DOT. The FMCSA creates standards for driver
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examinations. Regulates Interstate commercial operations, i,- i,- i,- i,- i,-
including the driver. i,- i,-
Many states use federal FMCSA standards to govern intrastate
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commercial operations, including the driver, but the FMCSA does i,- i,- i,- i,- i,- i,- i,- i,- i,-
not directly regulate any intrastate functions.
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, a division of the US Department of Transportation (DOT).
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Conditions which are usually disqualifying, but for which
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qualification can be considered on a case-by-case basis include
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__________.
Autonomic neuropathy. i,-
Methadone use. i,-
Monocular vision. i,-
Carpal tunnel syndrome.
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neuropathy.
Explanation: Methadone use and monocular vision are always
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disqualifying. Carpal tunnel syndrome is not usually disqualifying.
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A driver experienced a pneumothorax four weeks ago. The
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medical examiner tests the driver's respiratory function and the
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forced vital capacity (FVC) is 58% of predicted. What should the
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certification decision be? i,- i,-
Do not certify pending additional testing.
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Certify for three months, pending driver follow up with personal
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physician and/or specialist.i,- i,-