5. Electrophysiology

Otoacoustic Emissions — Quiz

Test your understanding of otoacoustic emissions with 5 practice questions.

Practice Questions

Question 1

A patient is undergoing Distortion Product Otoacoustic Emission (DPOAE) testing. The primary tones are presented at frequencies $f_1 = 1500 \text{ Hz}$ and $f_2 = 1800 \text{ Hz}$. Which of the following distortion product frequencies would be most indicative of outer hair cell dysfunction if absent or significantly reduced?

Question 2

When interpreting Transient Evoked Otoacoustic Emissions (TEOAEs), what is the primary significance of the 'reproducibility percentage' in assessing cochlear function?

Question 3

A patient with a sensorineural hearing loss exceeding $40 \text{ dB HL}$ is unlikely to have measurable otoacoustic emissions. What is the underlying physiological reason for this observation?

Question 4

Which of the following measurement protocols is most crucial for differentiating between a true otoacoustic emission and background noise during OAE testing?

Question 5

Spontaneous Otoacoustic Emissions (SOAEs) are continuous tonal signals that occur without external stimulation. What is the primary clinical utility of detecting SOAEs?