Exam Preview for 42226: Coupling Matters: Understanding the Acousti

Coupling Matters: Understanding the Acoustic Effects of Domes, Earmolds and Encased Receivers

Please note: exam questions are subject to change.

1. In the container analogy for ear coupling, what does the lid of the container represent? The pinna The tympanic membrane The earpiece used in a fitting The ear canal
2. Which one of the following statements is accurate? Open domes don’t help with occlusion Double domes have more variability in response than other dome types Any dome type is better than an earmold All domes are the same
3. In ReSound’s Smart Fit fitting software, what does the “recommendation badge” mean for dome selection? That the dome has won an award for design That an earmold should be used for the fitting rather than a dome The dome with the badge is not recommended for the fitting based on the audiogram The dome with the badge is recommended for the fitting based on the audiogram
4. Which one of the following statements is accurate regarding selecting the correct dome size for a fitting? A dome which is too large for the ear canal can create gaps from crumpling or folding It’s best to select a dome two sizes smaller than the ear canal size for comfort It’s best to select a dome which is larger than the ear canal size to get a good seal Dome size doesn’t matter in a fitting
5. Which is a possible solution for the patient complaint of sound quality being “too sharp”? Use a dome which is more open Use the most occlusive dome that the patient will tolerate Use a smaller dome Tell the patient that they will get used to the sound