Hearing Aid Dispenser Practice Test Questions with Verified Answers

What BEST describes the effect on the patient if you continue to lower a hearing instrument's kneepoint and increase the compression ratio? Choose ALL that apply. A. a lot of gain for soft sounds B. very few speech cues in a crowded party C. little or no gain for moderately loud sounds D. too much amplification in a crowded party - ANSWER-A,B, & C What frequencies would be MOST affected by a head cold? - ANSWER-Low frequencies. 250,500 What is found on the bottom of the ear canal? - ANSWER-The Vagus Nerve(Xth Cranial) What test would best predict the signal-to-noise ratio necessary for a hearing impaired person to understand speech normally in noise? - ANSWER-QuickSIN. What would be the BEST way to prevent an intermittency in the hearing instrument from showing up in the delivery process? A. 2 cc couplet N.A.L. target matching B. real ear testing C. biological check of the instrument D. A.N.S.I. test of the instruments - ANSWER-C. biological check of the instrument When both stapedius muscles contract even though only one ear is stimulated is called: - ANSWER-Consensual Reflex. When considering different digital hearing instruments, open platform technology is generally considered: A. more complicated to program B. software driven C. hardware based D. less flexible for programming - ANSWER-B. software driven When discussing benefits of multi-channel digital hearing instruments which of the following does NOT apply? A. Increased capacity for aid to change with hearing changes B. Increased hearing benefit in noise C. Exact fit to the patient's hearing loss D. More "natural" sound reproduction - ANSWER-C. Exact fit to patient's hearing loss. When IA is exceeed, and one cochlea is better than the other ____ - ANSWER-Cross-Over is possible. When patient/client concerns should be addressed - ANSWER-Immediately. When troubleshooting a hearing instrument, you discover the electrical signal cannot be converted into acoustical energy. Which component is MOST likely defective? A. microphone B. amplifier C. receiver D. power source - ANSWER-C. receiver Where signal processing occurs - ANSWER-Amplifier Which condition of the human ear has NO effect on real ear-probe tube measurements? A. length of canal B. stiffness of T.M. C. physical shape D. diameter of canal - ANSWER-B. Stiffness of T.M. Which of the following procedures would MOST likely be associated with fitting problems? A. Stapedectomy B. Fistula repair C. Myringotomy D. Mastoidectomy - ANSWER-D. Mastoidectomy. Why do we mask? - ANSWER-To ensure the the ear being tested is the ONLY ear participating in or contributing to the threshold measurements. Word Recognition intensity should be presented at: - ANSWER-MCL or 30 to 40 dB above speech reception threshold (SRT). Two main objectives of Aural Rehabilitation - ANSWER-1. Educate the patient/client about the social and emotional aspects of hearing loss and devise a communication strategy that can be implemented. 2. Maximize the use of the hearing instruments within the context of the patient's/client's lifestyle and communication needs. Two key functions of hearing loops - ANSWER-1. Allow electromagnetic signal from conventional telephones, and some cell phones, to be transmitted to the hearing instrument. 2. Can be installed into any space, allowing the sound to be transmitted directly to the hearing instruments when a microphone is used by the speaker. Speech discrimination testing requires: - ANSWER-an evenly monitored presentation. The primary function of the middle ear is to match the impedance of the outer ear to the inner ear by: - ANSWER-Increasing the pressure at the stapes footplate. Articulation index scale can be used for: - ANSWER-Estimating unaided and aided word recognition based on pure tone audiometry. If patient has a prolapsed canal. How BEST should the hearing health professional proceed with the hearing evaluation? - ANSWER-Proceed with insert headphones. Smaller ID (inside diameter) tubing will: - ANSWER-Move peak to lower frequencies. A disadvantage of WDRC and DSP processing is patient complaints of hearing noises where there are no sounds. Which of the following is used to correct this problem? A. input compression B. output compression C. multiple microphones D. expansion - ANSWER-D. expansion The articulation index puts the greatest value to speech intelligibility at which frequency? A. 800 Hz B. 1500 Hz C. 2000 Hz D. 4000 Hz - ANSWER-C. 2000 Hz The typical difference between real ear insertion gain and 2 cc coupler response is: A. REIG has more gain above 3000 Hz B. REIG is less due to insertion loss C. REIG will have less high frequency response with C.I.C.'s D. REIG has less gain at 500 Hz - ANSWER-B. REIG is less due to insertion loss The function of an acoustic coupler is: A. noise reduction B. retention and sealing C. reducing insertion loss D. acoustic transparency - ANSWER-B. Retention and sealing. A patient comes in for his follow-up visit wearing automatic multi-memory digital hearing instruments and is not very happy because the patient is confused by too many options. The next step should be to: Choose ALL that apply A. disable user controlled options B. change his instrument to a analog programmable hearing instrument C. give patient another instruction booklet D. re-counsel patient on the use of his hearing instrument - ANSWER-A & D Check which statements are true: A patient with "Sensory" hearing loss refers to: A. a mild-moderate sensori-neural hearing loss (SNHL) is caused by mostly outer hair cell (OHC) damage B. a mild to severe HL is caused mostly by damage to the cochlea and middle ear ossicles C. "Neural" refers more to SNHL caused by inner hair cell (IHC) damage. D. In most cases, OHC damage usually occurs before IHC damage. E. Most inner hair cell damage is caused by noise exposure - ANSWER-A, C, & D A patient complains that their voice " their own voice has a barrel-like or echo quality". The most common cause is: A. Too much high frequency gain B. Too much low frequency gain C. The patient is not wearing their hearing aids long enough for their brain to acclimate to the new amplification settings D. Too much mid-frequency gain E. None of the above - ANSWER-Too much low frequency gain As a HIS, the primary objective for hearing instrument fitting is to: A. Amplify to the patient's prescriptive audibility levels B. Ensure that the patient has all necessary training on daily use of their hearing aids and accessories. C. When amplifying more than 3 dB, ensure that a real ear test is performed and the patient is informed of their new amplification expectations D. Ensure that conversational speech is amplified into the patient's/client's dynamic range. - ANSWER-Ensure that conversational speech is amplified into the patient's/client's dynamic range. Which selection best describes the pathologies for an acoustic neuroma. (check all that apply) A. unilateral hearing loss, tinnitus, decreased word understanding, vertigo, headaches, and facial numbness B. tinnitus, vertigo, headaches, and facial numbness, and nephropathy C. bilateral hearing loss, tinnitus, inconsistent word recognition scores when compared to pure tone scores, vertigo, "light headedness" D. profound hearing loss, tinnitus, vertigo, headaches, and facial numbness - ANSWER-A. unilateral hearing loss, tinnitus, decreased word understanding, vertigo, headaches, and facial numbness The average resonant frequency of the ear canal plus the concha is: A. 1000 Hz B. 2700Hz C. 3000 to 6000 Hz D 4000 Hz - ANSWER-B. 2700Hz A patient complains of feedback with one of their HAs. After checking the patient's audiogram, you can see that the patient has mild hearing loss in the low frequencies sloping into severe in the high frequencies-AD, and severe low frequency, reverse sloping loss to moderate in the high frequencies-AS. Both HAs have open domes. What is the best course of action? A. Adjust the frequency compression for AS only B. replace the dome for AS to a closed double dome. C. Clean the HAs and replace the domes and wax guards. Check the feedback response for AS by placing the palm of your hand near the patient's ear to check for feedback. D. Perform a Real Ear test, and run a feedback performance check on both HAs - ANSWER-B. replace the dome for AS to a closed double dome. One important benefit of using Bluetooth transmission for hearing instruments is: A. It is most beneficial to patient's with mobility issues B. It improves the quality and quantity of frequency expansion when using external devices C. It can improve the signal-to-noise ratio in many listening situations. D. Patient's with Bluetooth accessories - ANSWER-C: It can improve the signal-to-noise ratio in many listening situation. A patient with bilaterally symmetrical moderate sensory/neural hearing loss with better thresholds in the low and high frequencies likely suffers from: A. Presbycusis B. Cholesteoma C. Congenital hearing loss D. Meneire's Syndrome E. None of the above - ANSWER-C. Congenital hearing loss Those sounds made up of more than one frequency with varying amplitudes occurring at the same time are called: A. Resonant frequencies B. Reverberation C. Complex Sounds D. Aperiodic sounds E. Complex wave sounds - ANSWER-C. Complex Sounds Acoustic combination of several different pure tones presented simultaneously. A complex sound that varies RANDOMLY over time and does not have a fundamental frequency a called: A. Complex Wave B. Periodic waves C. Complex Sounds D. Echos E. Reverberation frequency matching - ANSWER-A. Complex Wave The intensity at which amplification changes from linear to non-linear is called: A. Feedback peak B. Compression kneepoint C. Linear feedback D. Reverberation block E. Frequency response curve - ANSWER-B. Compression kneepoint What are the four dimensions measured by SADL? A. Patient dexterity, mental state, family support, total cost of ownership B. Patient's mental state, support system, upfront costs, and total costs of ownership C. Service, cost, care of hearing instruments, and financing D. Positive effect, service & cost, negative features, personal image E. none of the above - ANSWER-D. 1. Positive effect 2. Service & cost 3. Negative features 4. Personal image Equivalent input noise can be best described as: A. a measure of how much noise a microphone will reduce a hearing aid's output signal at different volumes B. a measure of how much noise can be filtered out while setting the hearing aid to maximum gain C. a measure of noise filtering vs battery drainage D. A measure of input noise vs output frequency at or above 1000 Hz E. is a measure of how much noise a device will add to the input signal - ANSWER-E. is a measure of how much noise a device will add to the input signal What are the four important functions of custom earmolds?(check all that apply) A. Provide appropriate acoustic seal B. Be comfortable to wear for extended periods of time. C. Maintain or enhance the acoustic properties of the hearing instrument circuitry. D. Be aesthetically acceptable to the patient/client. E. Fit securely into the concha or canal to reduce the risk of misplacing of loosing the hearing aid - ANSWER-A through D Which of the follow selections are principles of motivational interviewing? A. Understand and explore the patient's/client's motivations. B. Listen carefully and with empathy. C. Empower the patient/client to make positive decisions. D. Do not argue with the patient/client to make a point. E. All of the above - ANSWER-E. All of the above Functional Hearing Loss is: A. An organic hearing loss that prevents the patient from hearing loud sounds B. Non-organic hearing loss that is evident when a person is not or cannot be truthful or accurate in their hearing test responses. C. Non-organic hearing loss that involves cerebral cortex degeneration and conflict D. A non-distinguishable form of hearing loss that prevents hearing well at loud functions E. is a non-organic and non-specific, profound type of loss which is only treatable with cochlear implants - ANSWER-B. Non-organic hearing loss that is evident when a person is not or cannot be truthful or accurate in their hearing test responses. The function of the cochlea is: A. to transform the vibrations of the cochlear liquids and associated structures into a neural signals which are interpreted by the brain as sound. B. To transmit sound impulses to the round window via the vestibular canals C. to function as an "energy converter" within the inner ear and transmit those signals into the middle ear structure] D. Detects minuscule changes in sound pressure. -changes sound pressure into electrical signal - ANSWER-A. to transform the vibrations of the cochlear liquids and associated structures into a neural signals which are interpreted by the brain as sound. Tympanosclerosis is: A. a result of chronic otitis media and is characterized by white marks or streaks on the surface of the tympanic membrane. B. Tympanosclerosis and congenital cholesteatoma can sometimes be confused because they are both white lesions seen on or under the ear drum C. a condition caused by hyalinization and subsequent calcification of subepithelial connective tissue of TM and middle ear, sometimes resulting in a detrimental effect to hearing D. also called chalk spots, calcific plaques, or atheromatous plaques - ANSWER- What are 5 examples of MIDDLE EAR trauma? A. Ear Infections, explosions, cerumen gland disfunction, surgical scarring, acne scarring, infected pours B. explosions, penetration injuries, blunt trauma, ear infections, cholesteatoma C. cholesteatoma, penetration injuries, blunt trauma, ear infections, tinnitus, otalgia D. explosions, thermal burns, penetration injuries, bartrauma (injuries from air pressure/flying), blunt trauma E. explosions, otalgia, penetration injuries, bartrauma (injuries from air pressure/flying), blunt trauma - ANSWER-D. explosions, thermal burns, penetration injuries, bartrauma (injuries from air pressure/flying), blunt trauma Word Recognition intensity should be presented: A. at MCL or 10 to 20 dB above speech reception threshold (SRT). B. at MCL or 30 to 40 dB above speech reception threshold (SRT). C. Only after establishing that the patient has an air-bone gap of more than 15 dB @ 500, 1000, and 200 Hz. D. at UCL minus 30 dB - ANSWER-B. MCL or 30 to 40 dB above speech reception threshold (SRT). What are the five cardinal symptoms of ear disease? A. drainage, aco