A driver over 35 yrs. of age who smokes must have a lung capacity function test (spirometry). If not sufficient lung capacity then next test is a Pulse Oximetry test. All test done at the time of DOT
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DOT standards do not include any maximum or minimum height and weight requirements. The medical examiner will consider height and weight factors as part of the overall driver medical fitness for duty.
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As the ME, your responsibility is to determine if the driver is otherwise medically fit to drive. The driver must carry the medical examiner’s certificate and the exemption when driving. To apply drivers
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