Transcription of Conservation ES&H Section
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Slide 1 ES&H SectionHearing ConservationHearing ConservationFERMILAB Introduce yourself and the Section you represent - give a work history and mention your responsibilities at Fermilab. Slide 2 ES&H SectionHearing ConservationObjectives Anatomy and Physiology of the Human Ear What is considered hazardous noise Sound level measurement How noise effects the ability to hear The Elements of Fermilab s Hearing Conservation Program Ways to protect your hearing Q & A Review class objectives. Slide 3 ES&H SectionHearing ConservationOuter Ear The Outer Ear is made up of a flesh and cartilage structure called the auricle or pinna. Ask someone from the class to explain what s the main function of the Pinna? The main function of the Pinna is to funnel the sound waves into the ear canal and perhaps aid in the direction of where the sound is originating. Slide 4 ES&H SectionHearing ConservationMiddle EarHammer (malleus)Eardrum (tympanic membrane)Anvil (incus)Stirrup (stapes) Sound waves travel down the ear canal and cause the eardrum (tympanic membrane) to vibrate.
Slide 6 ES&H Section Hearing Conservation Nerve Cells This is a simple illustration of what the hair cells look like inside the human ear. Under normal conditions …
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