7. Amplification
Hearing Aid Basics — Quiz
Test your understanding of hearing aid basics with 5 practice questions.
Practice Questions
Question 1
A patient presents with a severe to profound sensorineural hearing loss. Which advanced amplification strategy is most critical to ensure audibility and prevent feedback in this scenario?
Question 2
When performing real-ear measurements (REM) to verify a hearing aid fitting, what is the primary purpose of measuring the Real-Ear Occluded Gain (REOG)?
Question 3
A patient with a sloping high-frequency sensorineural hearing loss reports difficulty understanding speech in noisy environments, even with their current hearing aids. Which advanced signal processing feature is most likely to improve their speech recognition in these challenging situations?
Question 4
Consider a hearing aid with a compression threshold (CT) of $50 \text{ dB SPL}$ and a compression ratio (CR) of $2:1. If the input sound level increases from $$60 \text{ dB SPL}$$ to $$80 \text{ dB SPL}$$, what is the corresponding increase in output sound level?
Question 5
A patient is being fitted with a Behind-the-Ear (BTE) hearing aid. What is the primary acoustic consequence of using a long, narrow sound bore in the earmold tubing, particularly for high-frequency sounds?