Cochlear Implant Atlas

CI Atlas · Self-assessment

Self-assessment

All 35 self-assessment questions from across the atlas, grouped by module and tagged by level (Foundation, Trainee, Clinician). Each set scores as you reveal answers; read every rationale, including the incorrect options. For applied vignettes, work the case library; for a measure-by-measure overview, see Compare.

Module 2 · Impedance & electrode interface

Self-assessment — Module 23 questions
Question 1 · Trainee

Which stimulation mode normally gives the lowest impedance values and is the clinical default?

Question 2 · Trainee

An abnormally LOW impedance on a contact most suggests:

Question 3 · Clinician

Which objective measure can flag an electrode-array tip fold-over without imaging?

Module 3 · ECAP / Neural Response Telemetry

Self-assessment — Module 33 questions
Question 1 · Foundation

The N1 peak of the ECAP is generated by:

Question 2 · Clinician

Forward-masking subtraction removes the stimulus artifact by exploiting:

Question 3 · Clinician

Compared with the acoustic CAP, the ECAP is larger and earlier mainly because:

Module 4 · ECAP threshold & functions

Self-assessment — Module 43 questions
Question 1 · Trainee

The ECAP threshold is most correctly obtained by:

Question 2 · Clinician

A steep amplitude growth function slope is generally interpreted as indicating:

Question 3 · Clinician

A broad spread-of-excitation function indicates:

Module 5 · Electrical stapedius reflex

Self-assessment — Module 53 questions
Question 1 · Foundation

The electrical stapedius reflex is most useful for anchoring which part of the MAP?

Question 2 · Trainee

Post-operatively, the electrical stapedius reflex is typically recorded with immittance equipment in the:

Question 3 · Clinician

Why are intra-operative ESRTs generally higher and more variable than awake post-operative values?

Module 6 · Electrically-evoked ABR

Self-assessment — Module 63 questions
Question 1 · Foundation

Compared with the ECAP, the eABR primarily adds information about:

Question 2 · Trainee

The most robust and clinically used peak of the eABR is:

Question 3 · Clinician

In which scenario is the eABR most valuable?

Module 7 · Electrical cortical responses

Self-assessment — Module 73 questions
Question 1 · Foundation

The P1 cortical response in implanted children is used as a biomarker of:

Question 2 · Trainee

Compared with the eABR, recording cortical responses (CAEPs) usually requires the patient to be:

Question 3 · Clinician

The P1 evidence base contributed to which change in clinical practice?

Module 8 · Intraoperative ECochG

Self-assessment — Module 83 questions
Question 1 · Foundation

Intraoperative ECochG during CI surgery primarily aims to:

Question 2 · Trainee

The workhorse signal monitored during insertion is the:

Question 3 · Clinician

An abrupt ~30–40% drop in CM amplitude during insertion should prompt:

Module 9 · Objective measures → the MAP

Self-assessment — Module 93 questions
Question 1 · Trainee

Which objective measure best anchors the comfortable-level (C/M) ceiling of a MAP?

Question 2 · Clinician

Why is the ECAP threshold better used as a profile than as an absolute value?

Question 3 · Clinician

A MAP built purely on objective measures should be regarded as:

Module 10 · Troubleshooting & special cases

Self-assessment — Module 103 questions
Question 1 · Clinician

In suspected device soft failure, the most informative objective evidence is usually:

Question 2 · Trainee

Loud-sound-triggered facial twitching after activation most likely represents:

Question 3 · Clinician

In cochlear nerve deficiency, a present, replicable eABR supports:

Module 11 · Manufacturer systems compared

Self-assessment — Module 114 questions
Question 1 · Foundation

NRT, ART, and NRI are three manufacturers' names for systems that record:

Question 2 · Trainee

Which is true about level values across manufacturers?

Question 3 · Clinician

Cochlear's AutoNRT obtains ECAP thresholds primarily using:

Question 4 · Trainee

Which statement about the cochlear-implant manufacturer landscape is correct?

Module 13 · Future directions, AI & emerging tech

Self-assessment — Module 134 questions
Question 1 · Foundation

AutoNRT, which finds ECAP thresholds automatically, is an early clinical example of:

Question 2 · Trainee

Panoramic ECAP (PECAP) is being developed primarily to:

Question 3 · Trainee

A multicentre trial supported which of these as non-inferior to in-person care?

Question 4 · Clinician

Why will an optogenetic cochlear implant need a new objective-measures toolbox?