A school nurse is performing hearing screening on school children. The nurse recognizes that distortion of sound and problems in discrimination are characteristic of which type of hearing loss?
a. Conductive
b. Sensorineural
c. Mixed conductive-sensorineural
d. Central auditory imperceptive
ANS: B
Sensorineural hearing loss, also known as perceptive or nerve deafness, involves damage to the inner ear structures or the auditory nerve. It results in the distortion of sounds and problems in discrimination. Conductive hearing loss involves mainly interference with loudness of sound. Mixed conductive-sensorineural hearing loss manifests as a combination of both sensorineural and conductive loss. Central auditory imperceptive hearing loss includes all hearing losses that do not demonstrate defects in the conduction or sensory structures.
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