Chapter 13 - OVT (Outcome Verification Technology) Flashcards
How many modern generations of fitting methods are in use by dispensers as of the year 2006?
A. 1.
B. 2.
C. 3.
D. 4.
E. 5.
C. 3.
The main sources of HI performance feedback since the 1950’s are from ____?
A. Dispensers.
B. Laboratory technicians.
C. Manufacturing research departments.
D. Patients – users of HIs.
The main sources of HI performance feedback since the 1950’s are from ____?
A. Dispensers.
B. Laboratory technicians.
C. Manufacturing research departments.
D. Patients – users of HIs.
Analog HIs are _____ types of instruments.
A. Peak limiting.
B. Compression.
C. Input compression.
D. Output compression.
E. Linear.
E. Linear.
Feedback to dispensers from patients on satisfaction is _____ in nature.
A. Subjective.
B. Objective.
C. A combination of subjective and objective.
D. Reality.
A. Subjective.
The only in vivo source for outcome verification until the late 1980’s stems from this type of test.
A. SRT.
B. Soundfield.
C. Occlusion.
D. Probe Microphone Technology [aka real ear] [aka OVT].
E. SDS.
B. Soundfield.
Reeid Protocol describes OVT is the first _____ device used to elevate measurement standards in the hearing healthcare field.
A. Independent.
B. Objective.
C. Sense-extending.
D. X-Ray.
E. A and D.
F. B and C.
F. B and C.
The test of HIs in a manufacturer lab before instruments are delivered to the dispenser for fitting are _____ tests.
A. In vivo.
B. In situ.
C. In lab.
D. 3 cc coupler.
B. In situ.
The main trigger(s) leading to outcome verification technology is/are:
A. Continued difficulty with manipulation of smaller hearing instruments.
B. The lack of participation of federal regulations.
C. Physical fit into the ear canal.
D. A consistent small number of ubiquitous complaints.
E. Noise.
F. The cost associated with getting treatment.
D. A consistent small number of ubiquitous complaints.
In soundfield testing, position the patient _____ feet from the speakers, which are at ear level and at an angle of _____ degrees.
A. 2/90.
B. 3/90.
C. 4/45.
D. 2/45.
E. 3/45.
F. 3/37.5.
E. 3/45.
Normal hearing persons can hear and process intelligibility consonants even though they may be up to _____ dB SPL less intense than background noise.
A. 0.
B. 7.
C. 17.
D. 27.
E. 57.
D. 27.
As battery technology and circuitry prompted research to develop smaller and less conspicuous HIs, until the 1980’s the field of hearing care did not yet realize _____.
A. That the performance of hearing instruments change the instant they are inserted.
B. That we didn’t understand the impact of insertion occlusion.
C. That we didn’t understand the impact of natural canal resonance.
D. That we didn’t understand the impact of tortuosity.
E. A, B, C.
F. A – D.
F. A – D.
Learning a technical or difficult skill requires _____.
A. A text book and teacher.
B. Patience.
C. Practice.
D. Practical applications.
E. A – D.
F. B – D.
F. B – D.
After years of disuse of any skill, regaining competence in that skill requires _____.
A. Therapy.
B. Staged simple-to-complex relearning.
C. Practice.
D. Practical applications.
E. Timely cognitive processing.
F. All of the above.
F. All of the above.
The mere insertion of a HI can cause hearing loss.
A. True.
B. False.
C. No way.
A. True.
Volume control is set at a quiet comfort level.
A. True.
B. False.
A. True.
Types of tones presented are _____. (check all that apply)
A. Warble tones.
B. Ascending tones.
C. Pure tones.
D. Narrow band noise.
E. Only interoctaves.
A. Warble tones.
C. Pure tones.
D. Narrow band noise.
The purpose of sound field is to measure functional output in the hearing instruments.
A. True.
B. False.
B. False.
Berger, POGO, NAL, and fractional gain rules are mathematical formulae used in this industry to determine _____.
A. Output minus input.
B. Gain.
C. Compression thresholds.
D. Compression ratios.
E. Kneepoints.
F. A and B.
F. A and B.
This measurement with probe tube inserted into open ear canal determines ear canal resonance.
A. Real Ear Aided Response
B. Real Ear Unaided Response
C. Real Ear Resonant Response
D. Real Ear Tortuous Response.
B. Real Ear Unaided Response
REUG – Real Ear Unaided Gain is a measurement of the difference between SPL as a function of frequency at a measurement point within the canal and SPL at the field reference point for a sound field with canal open, ie. unoccluded.
A. True.
B. False.
A. True.
This measurement determines the effects of venting. The HI is inserted into the ear and kept off. The vent is _____.
A. REAR/plugged.
B. REIR/open.
C. REOR/plugged.
D. REOR/open.
D. REOR/open.
This measurement of the difference in dB between SPL and SPL at the field reference point for a specified sound field is termed. For this procedure, the instrument is turned off.
A. REIG.
B. RERG.
C. EROG.
D. REOG.
E. FROG.
F. BFROG.
D. REOG.
The measurement of SPL with hearing instrument in place and on is termed _____.
A. REIR.
B. REAR.
C. REIG.
D. REOG.
E. REAG.
B. REAR.
This measurement is of the difference in dB as a function of frequency between the SPL at the field reference point for a specified sound field with hearing instrument in place and on.
A. REAR.
B. REIG.
C. REAL.
D. REAG.
D. REAG.
REAG measures the validity of the prescription and is used to determine if _____ is working.
A. Microphone.
B. Pre-amplifier.
C. Receiver.
D. Compression.
E. Noise suppression.
D. Compression.
Analog instruments allow the dispenser to make adjustments as precise as digital hearing instruments.
A. True.
B. False.
B. False.
One of the most significant frequencies to specifically manage is in the local area around _____ Hz.
A. 250.
B. 750.
C. 3300.
D. 4000.
E. 2000.
F. Not listed above.
E. 2000.
PMT/Real Ear measurements are required by law in most states to validate the prescription.
A. True.
B. False.
B. False.
BPP is a term defining _____.
A. Best Protocol Procedures.
B. Best Protocol Policy.
C. Best Practice Procedures.
D. Best Practice Protocol.
D. Best Practice Protocol.
