DOT Exam Study Guide

A CMV driver must perceive a forced whispered voice in the better eat at not less than ___ with or w/o a hearing aid - Answer- 5 Feet This test is performed only when the Forced Whisper Test is failed in both ears - Answer- Audiogram If tested by the use of an audiometric device, they must not have an AVERAGE hearing loss in the better ear greater than ____ at 500Hz, 1000Hz, and 2000Hz - Answer- 40 decibels ___ ear and two eyes certifies! - Answer- One A driver with a hearing aid usually must go to an ____ or a hearing aid center for audiometry testing - Answer- Audiologist How long can a driver who meets the hearing requirements in one ear be certified? - Answer- 2 Years Inflammation of the inner ear that causes a sudden onset of vertigo. This requires a 2 month waiting period. - Answer- Acute and Peripheral Vesitbulopathy This occurs when a small piece of bone-like calcium breaks free and floats inside the Eustachian tube sending confusing messages to your brain about your body's position. This requires a 2-month waiting period. - Answer- Benign Positional Vertigo T/F It is OK to certify someone with Uncontrolled Vertigo, Meniere's Disease, Labrythine Fistula, or Non-Functioning Labryinthes - Answer- False An inner ear disorder that affects balance and hearing. - Answer- Meniere's Disease An abnormal opening in the bony capsule of the inner ear resulting in the leakage of the peri lymph from the semicircular canals of the middle ear. - Answer- Labrythine Fistula Loss of vestibular function in both Labryinths leading to characteristic dysfunction in vision and balance. These symptoms reflect how crucial our Labryinth sense is for generating proper reflexes so that we can see clearly when we are moving and not lose our balance when we are standing or walking. - Answer- Non-Functioning Labryinths Another name for the Labryinth - Answer- Inner Ear 1 or 2 readings greater than or equal to 140/90 on the same day - Answer- Elevated Blood Pressure