Lab 2 - Pure Tone Audiometry-1 copy

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University of St. Augustine for Health Sciences *

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5002

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Biology

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Feb 20, 2024

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docx

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3

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Fall 2022 SLH 341 Lab 2 Pure Tone Audiometry Lab 2 Pure Tone Audiometry 1. What are the conventional octave frequencies tested in air conduction audiometry? The octave frequencies start at 1000, 2000, 4000, 8000, followed by replicate of a threshold at 1000 then 500, and 250. 2. What are the conventional octave frequencies tested in bone conduction audiometry? The octave frequencies start at 1000, 2000, 4000, and then 500. 3. What is not supposed to be tested in the audiogram below and why? This audiogram is testing air conduction in both the left and right ear. 1,500 3,000 6,000 are normally only tested as need. We test frequencies that are double by octaves. We only test 1,500 3,000 6,000 if adjacent thresholds differ by greater than or equal to 20 dB. We only need to test those frequencies when there is a steep drop off of 20 dB difference or more. That means we need to fill in the threshold information between frequencies if the drop off is >40 dB. 4. The ____ Pure Tone Testing (Audiogram)_ method is used in clinic to determine hearing thresholds. In this method, you _decrease (select one:
Fall 2022 SLH 341 Lab 2 Pure Tone Audiometry increase/ decrease) the sound volume by _10_____ dB HL for each response, and you __increase (select one: increase/decrease) the sound volume by ___5___ dB HL for each incorrect or no response. (2.5 pts) 5. Practice otoscopy on your partner. List the findings below (i.e.; erythematic, occluding cerumen, normal, etc). Right ear: Normal – it has a cone of light, tympanic membrane, malleus bone, and etc. Left ear: Normal – it has a cone of light, tympanic membrane, malleus bone, and etc. 6. Please measure the air conduction and bone conduction thresholds of your partner and plot them on the audiogram below:
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