IHS VERIFIED QUESTIONS AND CORRECT ANSWERS UPDATED 2024/2025 Why should an otoblock be placed just beyond the second bend of the ear canal during preparation for taking an ear impression? A: prevents the otoblock from moving during the impression proce

IHS VERIFIED QUESTIONS AND CORRECT ANSWERS UPDATED 2024/2025 Why should an otoblock be placed just beyond the second bend of the ear canal during preparation for taking an ear impression? A: prevents the otoblock from moving during the impression process B: results in an impression featuring the full canal diameter C: results in a complete impression of the outer ear D: prevents cerumen from interfering with the impression - correct answer B: results in an impression featuring the full canal diameter Which validation method can be effectively performed in a sound field environment? A: COSI B: IHAFF C: NU-6 D: REIR - correct answer C: NU-6 A patient/client has been using an ITC hearing instrument for approximately 16 months. The patient/client has a new job that requires the use of a telephone with a headset. The patient/client is having difficulty understanding customers over the phone. What should the hearing healthcare professional recommend to the patient/client? A: add a clarifier circuit to the existing phone B: adjust volume to maximum while on the phone C: add an amplifier to the existing phone D: cover the other ear while on the phone - correct answer C: add an amplifier to the existing phone Which two actions must a hearing healthcare professional perform before testing an existing patient's/client's hearing? A: clean hands in view of patient/client B: clean patient's/client's hearing instruments C: clean patient's/client's canal of obstructive cerumen D: clean or replace speculum from otoscope - correct answer A & D How does an osteoma present? A: dark, irregular demarcation of the pinna B: bony growth in the external auditory canal C: excessive inflammation of the external auditory canal D: calcification of the tympanic membrane - correct answer B What should a hearing healthcare professional do prior to administering a Speech Reception Threshold test? A: discuss the pure tone results B: familiarize the patient with the word list C: introduce the carrier phrase D: explain masking of the non-test ear - correct answer B A 36-year old female restaurant worker with a family history of hearing loss reports that she is unable to hear as well as she did two years ago. Testing reveals a moderate conductive hearing loss. What is the likely cause of the patient's/client's change in hearing? A: presbycusis B: otosclerosis C: ototoxicity D: Meniere's Disease - correct answer B Which portion of the ear contains sebaceous glands? A: inferior section of middle ear cavity B: inner portion of external auditory canal C: anterior portion of internal auditory canal D: outer portion of external auditory canal - correct answer D What general effect does natural ear canal resonance have on sounds entering the ear canal? A: suppresses frequencies below 1000 Hz B: boosts frequencies between 500 and 1500 Hz C: boosts frequencies between 2000 and 3000 Hz D: suppresses frequencies above 2500 Hz - correct answer C Which factor will affect a patient's/client's acceptance and use of hearing instruments? A: cause of the hearing loss B: patient's/client's dominant hand C: patient's/client's cosmetic preferences D: frequency and duration of hearing instrument use - correct answer C In a hearing instrument, what is the term for the entire frequency range within which unique, specific signal processing is performed? A: band B: channel C: memory D: program - correct answer B Which two conditions are contraindications to taking an ear impression without prior medical clearance? A: perforated tympanic membrane B: lack of cerumen C: otitis externa D: epithelial migration - correct answer A & C Why should an otoblock be placed just beyond the second bend of the ear canal during preparation for taking an ear impression? A: prevents the otoblock from moving during the impression process B: results in an impression featuring the full canal diameter C: results in a complete impression of the outer ear D: prevents cerumen from interfering with the impression - correct answer B