100+ Free ILE Practice Questions

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Question 1

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Hearing aid telecoils paired with hearing loops in public venues provide:

Cochlear stimulation

Mechanical vibration

Wireless direct audio input from the loop's audio source to the hearing aid, improving SNR substantially

Visual captioning

to track

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NBC-HIS BC-HIS Hearing Instrument Sciences

Practice Questions100 questions

2026 Statistics

Key Facts: ILE Exam

105

Total Questions (80 scored)

IHS ILE Overview

120 min

Exam Time

IHS ILE Overview

$260

Exam Fee (USD)

IHS Eligibility & Scheduling

FDA Red Flag Conditions

21 CFR 801.421

85 dBA

OSHA Action Level

OSHA 29 CFR 1910.95

2022

Reference Edition

IHS Distance Learning (2022)

Most

US/Canada Acceptance

Used by majority of states/provinces

The ILE contains 105 multiple-choice questions (80 scored + 25 unscored pilot) administered in 120 minutes at IHS testing centers. The exam fee is $260 USD. Eligibility is determined by each state/provincial licensing agency. The IHS Distance Learning for Professionals in Hearing Health Sciences (2022 edition) is the official reference text. The ILE is used in the majority of U.S. states and Canadian provinces as the written licensing examination for hearing aid specialists.

Sample ILE Practice Questions

Try these sample questions to test your ILE exam readiness. Each question includes a detailed explanation. Start the interactive quiz above for the full 100+ question experience with AI tutoring.

1The tympanic membrane (TM) separates which two structures?

A.External auditory canal from middle ear

B.Middle ear from inner ear

C.Eustachian tube from oval window

D.Cochlea from vestibule

Explanation: The tympanic membrane separates the external auditory canal from the middle ear cavity. It vibrates in response to airborne sound and transfers this energy to the ossicular chain (malleus, incus, stapes), which mechanically couples to the cochlea via the oval window.

2The three ossicles in the middle ear are, in order from the tympanic membrane to the inner ear:

A.Stapes, incus, malleus

B.Malleus, incus, stapes

C.Incus, stapes, malleus

D.Malleus, stapes, incus

Explanation: The ossicular chain, from the TM inward, is malleus (hammer), incus (anvil), and stapes (stirrup). The stapes footplate seats in the oval window and transfers vibrations to the cochlear fluids. The ossicles provide impedance matching between air-conducted sound and the fluid-filled cochlea.

3Pure-tone air conduction thresholds are measured to determine:

A.Middle ear pressure

B.The softest sound a patient can hear at each frequency, reflecting the entire auditory pathway

C.Speech recognition ability

D.Cochlear emissions

Explanation: Pure-tone air conduction thresholds reflect the softest level at which a patient detects pure tones at standard frequencies (typically 250-8000 Hz), assessing the entire auditory pathway (outer, middle, inner ear, and auditory nerve). Bone conduction isolates the inner ear/cochlear function by bypassing the outer and middle ear.

4The Hughson-Westlake procedure for threshold determination requires the patient to respond at the lowest level on at least:

A.1 of 2 presentations

B.2 of 3 ascending presentations

C.3 of 5 presentations

D.4 of 6 presentations

Explanation: The Hughson-Westlake procedure defines threshold as the lowest level at which the patient responds to at least 2 of 3 ascending presentations. Begin 30-40 dB above estimated threshold, decrease 10 dB after a response, increase 5 dB after no response, and bracket until the criterion is met.

5Bone conduction testing primarily assesses:

A.Outer ear function

B.Middle ear function

C.Cochlear (inner ear) function by bypassing the outer and middle ear

D.Vestibular function

Explanation: Bone conduction stimulates the cochlea directly via vibration of the skull, bypassing the outer and middle ear. Comparing air- and bone-conduction thresholds determines whether a hearing loss is conductive (air worse than bone), sensorineural (both equally elevated), or mixed (both elevated, with air worse).

6Which FDA red flag condition (21 CFR 801.421) requires medical evaluation before dispensing a hearing aid?

A.Mild high-frequency hearing loss with no other findings

B.Visible congenital or traumatic deformity of the ear

C.Age over 50

D.Use of a smartphone

Explanation: FDA 21 CFR 801.421 lists 8 conditions requiring a prospective hearing aid user to receive medical evaluation by a licensed physician before fitting (the so-called 'red flags'). Visible congenital or traumatic deformity of the ear is one of these conditions. Other red flags include active drainage in the last 90 days, sudden or rapidly progressive hearing loss in the last 90 days, acute or chronic dizziness, unilateral hearing loss within the past 90 days, audiometric air-bone gap of 15 dB or greater at 500, 1000, and 2000 Hz, visible cerumen accumulation or foreign body in the ear canal, and pain or discomfort in the ear.

7Per FDA 21 CFR 801.421 red flags, which audiometric finding requires medical referral before fitting a hearing aid?

A.Symmetric high-frequency loss with no air-bone gap

B.Air-bone gap of 15 dB or greater at 500, 1000, and 2000 Hz

C.Normal pure-tone thresholds bilaterally

D.Conductive loss of 10 dB at 8000 Hz only

Explanation: An air-bone gap of 15 dB or greater averaged across 500, 1000, and 2000 Hz is an FDA red flag because it suggests a treatable conductive component requiring medical evaluation. The FDA lists this audiometric pattern as one of the 8 conditions that require medical referral before hearing aid dispensing.

8A patient presents with sudden hearing loss in one ear within the past 14 days. Per FDA red flags, the dispenser must:

A.Fit the hearing aid immediately

B.Refer the patient to a physician for medical evaluation before fitting

C.Schedule a follow-up in 6 months

D.Recommend over-the-counter hearing aids

Explanation: Sudden or rapidly progressive hearing loss in the previous 90 days is an FDA red flag requiring medical evaluation before hearing aid dispensing. Sudden SNHL is an otologic emergency where early corticosteroid treatment may improve recovery; delaying medical care to fit a hearing aid can harm the patient and exposes the dispenser to liability.

9Visible cerumen impaction in the ear canal is:

A.Not relevant to hearing aid fitting

B.An FDA red flag requiring management (removal by qualified provider or physician referral) before fitting

C.Always managed by the hearing instrument specialist using forceps

D.An indication for cochlear implantation

Explanation: Visible cerumen accumulation or foreign body in the ear canal is an FDA red flag because impaction can cause inaccurate audiometric results and prevent proper hearing aid fit. Scope of practice for cerumen management varies by state; refer to a physician or qualified provider when removal exceeds state-defined scope.

10Speech Reception Threshold (SRT) is typically obtained using:

A.Single-syllable phonetically balanced words

B.Two-syllable spondee words at the level where the patient correctly identifies 50% of words

C.Sentences in noise

D.Pure tones at 1000 Hz

Explanation: SRT uses two-syllable equal-stress spondee words (e.g., baseball, hot dog, sidewalk) presented to determine the lowest level at which the patient correctly identifies 50% of words. SRT should agree with the pure-tone average (PTA at 500, 1000, 2000 Hz) within about 6-10 dB; greater disagreement suggests test-retest issues or non-organic loss.

About the ILE Exam

The International Licensing Examination for Hearing Healthcare Professionals (ILE) is the multiple-choice licensing exam owned and operated by the International Hearing Society (IHS) and used as the written licensing exam for Hearing Aid Specialists / Hearing Instrument Specialists by the majority of states and provinces in the United States and Canada. The exam is practice-based, presenting scenarios where candidates apply knowledge of patient assessment, device selection, fitting and dispensing, continuing care, and professional practice. Every exam question is referenced to the IHS Distance Learning for Professionals in Hearing Health Sciences Course (2022 edition).

Questions

105 scored questions

Time Limit

120 minutes (2 hours)

Passing Score

Pass/fail (criterion-referenced; not publicly published)

Exam Fee

$260 USD (International Hearing Society (IHS), administered through Meazure Learning testing center network (TestWise platform 2026))

ILE Exam Content Outline

18-24%

Conduct Patient/Client Assessment

Case history intake, otoscopy, FDA 21 CFR 801.421 red flag screening (8 conditions requiring medical referral), pure-tone audiometry (air and bone conduction, Hughson-Westlake threshold determination), masking (40 dB IA supra-aural vs 70 dB IA insert vs 0 dB IA bone), speech audiometry (SRT with spondees, WRS with PB monosyllabic words), tympanometry (Types A/B/C/As/Ad), acoustic reflexes, and LDL/UCL measurement.

18-22%

Select Hearing Devices

Hearing aid candidacy and style selection (BTE, RIC/RITE, ITE, ITC, CIC, IIC), technology level differentiation, prescriptive formulas (NAL-NL2 for adults, DSL v5 for children), WDRC compression principles, directional microphones, telecoil applications, frequency lowering for severe high-frequency loss, binaural vs monaural fitting rationale, and OTC vs prescription hearing aid distinction (post-2022 FDA rule).

25-30%

Fit and Dispense Hearing Devices

Earmold impression safety (pre-impression otoscopy, otoblock placement, material selection, technique), earmold acoustics (venting effects on low-frequency gain and occlusion, dampers, Libby horns), hearing aid programming and fine-tuning, real-ear measurement (REUR, REUG, REAR, REIG, RESR), live speech mapping, feedback management algorithms, and ANSI S3.22 electroacoustic analysis (OSPL90, full-on gain, frequency response, THD, EIN).

11-17%

Provide Continuing Care

Aural rehabilitation, communication strategies (visual cues, environmental control, partner training), counseling (realistic expectations, acclimatization, tinnitus management), outcome measures (HHIE/A, IOI-HA, COSI, APHAB), routine troubleshooting (battery, wax filter, dome/tip), patient cleaning and maintenance education, and follow-up scheduling.

15-20%

Operate a Professional Practice

FDA regulations including 21 CFR 801.421 medical referral red flags (visible deformity, drainage within 90 days, sudden/rapidly progressive loss within 90 days, dizziness, unilateral loss within 90 days, audiometric air-bone gap of 15+ dB at 500/1000/2000 Hz, cerumen/foreign body, ear pain), FDA OTC hearing aid rule (2022, adults 18+ with mild-to-moderate loss), HIPAA (TPO disclosures, authorization), IHS Code of Ethics, state/provincial licensure scope, written sales contracts and trial-period rescission rights, infection control, OSHA hearing conservation (85 dBA action level, 90 dBA PEL, 5 dB exchange rate, STS criteria of 10 dB average shift at 2000/3000/4000 Hz, NRR derating), and ADA accommodations (hearing loops, ALDs).

How to Pass the ILE Exam

What You Need to Know

Passing score: Pass/fail (criterion-referenced; not publicly published)
Exam length: 105 questions
Time limit: 120 minutes (2 hours)
Exam fee: $260 USD

Keys to Passing

Complete 500+ practice questions
Score 80%+ consistently before scheduling
Focus on highest-weighted sections
Use our AI tutor for tough concepts

ILE Study Tips from Top Performers

1Memorize all 8 FDA 21 CFR 801.421 medical referral red flags: visible deformity, drainage within 90 days, sudden/rapidly progressive loss within 90 days, dizziness, unilateral loss within 90 days, air-bone gap of 15+ dB at 500/1000/2000 Hz, cerumen/foreign body, and ear pain

2Master pure-tone audiometry: Hughson-Westlake threshold determination (2 of 3 ascending), masking rules, interaural attenuation (40 dB supra-aural, 70 dB insert, 0 dB bone)

3Know tympanogram types: A (normal), B (flat-effusion or perforation depending on ECV), C (negative pressure), As (stiff/otosclerosis), Ad (hypermobile/discontinuity)

4Understand REM measures: REUR (unaided), REAR (aided), REIG = REAR - REUR, RESR (saturation) below LDL

5Differentiate NAL-NL2 (adults) and DSL v5 (children); know that OTC hearing aids are limited to adults 18+ with perceived mild-to-moderate loss (FDA 2022 rule)

6Memorize OSHA noise levels: 85 dBA action level (HCP enrollment), 90 dBA PEL (8-hour TWA), 5 dB exchange rate; STS = 10 dB average shift at 2000/3000/4000 Hz

7Study IHS Code of Ethics including scope of practice, patient welfare priority, and continuing education obligations

8Practice scenario-based questions; the ILE is practice-based and most questions present a clinical or business scenario requiring application, not memorization

Frequently Asked Questions

What is the ILE exam?

The International Licensing Examination for Hearing Healthcare Professionals (ILE) is the multiple-choice written licensing exam owned and operated by the International Hearing Society (IHS). It is used as the licensing exam for hearing aid specialists (also called hearing instrument specialists) by the majority of U.S. states and Canadian provinces. The ILE assesses entry-level knowledge, skills, and abilities for safe and effective hearing aid dispensing practice.

How many questions are on the ILE and how long is the exam?

The ILE contains 105 multiple-choice questions, of which 80 are scored and 25 are unscored pilot items being evaluated for future use. Candidates have 120 minutes (2 hours) to complete the exam. The exam is computer-based and is delivered through IHS's testing partner center network.

How much does the ILE exam cost?

The ILE exam fee is $260 USD plus applicable taxes, payable by credit or debit card. The fee is paid when scheduling through the IHS-provided link after the state/provincial licensing agency confirms candidate eligibility. Cancellations or rescheduling within 48 hours of the appointment forfeits the fee.

Who is eligible to take the ILE?

Eligibility for the ILE is determined by your state or provincial licensing agency, not by IHS. Most jurisdictions require completion of an approved training program, apprenticeship hours under a licensed dispenser, or completion of IHS Distance Learning. Once eligible, the licensing agency notifies IHS, which sends the candidate the ILE Study Guide and scheduling link within one business day.

What is the ILE passing score?

The ILE uses a criterion-referenced pass/fail standard set by IHS through a standard-setting methodology. The specific raw passing score is not publicly published. Candidates receive a Test Completion email detailing the result and next steps. Failing candidates receive guidance on retake rules per their jurisdiction.

What is the official reference material for the ILE?

Every ILE exam question is referenced to the IHS Distance Learning for Professionals in Hearing Health Sciences Course (2022 edition only). Earlier editions are not the current reference. IHS provides the ILE Study Guide free to eligible candidates after the licensing agency confirms eligibility.

Which states accept the ILE?

The ILE is accepted as the written licensing examination by the majority of U.S. states and Canadian provinces. Some states use other exams (e.g., the NBC-HIS exam for BC-HIS certification or state-developed exams). Confirm acceptance and any state-specific written/practical components with your specific state or provincial licensing agency.

What is the ILE retake policy?

Retake rules vary by jurisdiction. Upon completing the exam, candidates receive a Test Completion email that details next steps if a retake is required. Some states impose a waiting period before retesting; some limit total attempts. Confirm specifics with your state or provincial licensing agency. Each retake requires a new $260 exam fee.