J Am Acad Audiol 2019; 30(06): 544-545
DOI: 10.3766/jaaa.306CEU
JAAA CEU Program
Thieme Medical Publishers 333 Seventh Avenue, New York, NY 10001, USA.

JAAA CEU Program

Volume 30, Number 6 (June 2019)
Further Information

Publication History

Publication Date:
25 May 2020 (online)

Questions refer to Spankovich et al, “Early Indices of Reduced Cochlear Function in Young Adults with Type-1 Diabetes Revealed by DPOAE Fine Structure,” 459–471.

Learner Outcomes:

Readers of this article should be able to:

  • Discuss the evidence of compromised cochlear function in persons with type-1 diabetes.

  • Summarize the source components of DPOAE fine structure based on the two-source theory.

  • Consider the potential application of DPOAE fine structure in detecting early indices of cochlear pathology.

CEU Questions:

  1. The literature has shown that OAE amplitudes in persons with type-1 diabetes are:

    • consistently reduced compared to controls

    • consistently higher compared to controls

    • contradictory with some studies showing reduced amplitude and others no difference

  2. The OAE fine-structure source related to linear reflection and believed to dominate the TEOAE response is the:

    • distortion component

    • reflection component

    • generator component

  3. The OAE fine-structure component that pertains to the non-linear element is called the:

    • distortion component

    • reflection component

    • deflection component

  4. The DPOAE fine-structure stimuli presented in this study were performed using what kind of stimuli?

    • fixed frequency

    • sweeping frequency

    • mixed frequency

  5. The DPOAE-level paradigm that was developed to maximize the overlap of the stimuli with changing levels is called the:

    • scissor paradigm

    • ladder paradigm

    • sound paradigm

  6. The OAE fine-structure component that showed a significant difference between persons with type-1 diabetes compared to controls was:

    • the reflection component

    • the distortion component

    • the middle-ear muscle reflex

  7. Which measure showed a significant difference between persons with type-1 diabetes and controls?

    • standard clinical DPOAEs

    • standard clinical TEOAEs

    • DPOAE fine structure

  8. The results in Figure 5 show that the overall DPOAE response is very comparable in amplitude compared to which component?

    • the distortion component

    • the reflection component

    • the middle-ear muscle reflex

  9. In regard to stimulus level, how was stimulus level related to the number of fine-structure peaks?

    • more peaks with higher stimulus levels

    • more peaks with lower stimulus levels

    • no difference in peak count with change in level

  10. The major limitation of performing DPOAEs to obtain fine structure with standard fixed-frequency stimuli is:

    • cost

    • time

    • lack of code