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Biomedical Instrumentation Practice Test: Audiometry
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Audiometry is a branch of audiology that measures hearing acuity. It involves tests that assess the function of the hearing mechanism, including:
Mechanical sound transmission
Neural sound transmission
Speech discrimination ability 

Audiometry is an important tool for assessing hearing thresholds in patients with hearing loss. An audiogram can visually display a patient's hearing loss type and degree. 
 

Topis include: Hearing Mechanism, Hearing Measurement.

Related: Biomedical Instrumentation Practice Test: Oximeters

Biomedical Instrumentation Practice Test: Audiometry
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25 Questions

1. Pure-tone audiometers usually generate test tones in octave steps from ___________
2. What is the unit of dB?
3. The volume of blood outside the dialyzer is known as priming volume.
4. Air conduction, by definition, is the transmission of sound through the external and middle ear to the internal ear.
5. The hearing threshold is an invariable fixed intensity above which sound is always heard and below which sound is never heard.
6. Speech audiometry normally allows measurements to be made within the frequency range of _____
7. __________ is specialized equipment, which is used for the identification of hearing the loss in individuals.
8. The major function of the middle ear is ____________
9. Speech audiometers are normally used to determine ______________
10. Which of the following is the property of instrumentational amplifier?
11. The unit of sensitivity of an electrocardiograph is ________
12. The human ear responses to vibrations ranging from ___________
13. Name the bone that rests upon the lower end of the cochlea and passes the vibrations directly into the fluid within.
14. The signal intensity of Pure-tone audiometers ranging from ______
15. The middle ear is exposed to atmospheric pressure only through the _______
16. The frequency range of pure-tone audiometer is more than that of speech audiometer.
17. Which threshold of hearing is measured by a pure-tone audiometer?
18. Unit of sound intensity ________
19. Decibel expresses the logarithm of the ratio between two sound _________
20. Sound intensity is proportional to the _________ of sound pressure.
21. The range of CMRR of Foetal electrocardiogram is ______________
22. What is the role of Cupraphan in haemodialysis?
23. If I1 and I2 are two intensities in watts per square centimetre, then the number of decibels with which they are related can be expressed as _________
24. The tympanic membrane separates the ear canal from the _____________
25. ___________ amplifier circulatory is employed to reduce the hum noise generated by the power supply in the ECG circuit.

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