Biomedical Engineering MCQs [Quiz 29]

Q1. Pure-tone audiometers usually generate test tones in octave steps from ___________
a) 125 to 800 Hz
b) 125 to 8000 Hz
c) 25 to 8000 Hz
d) 15 to 800 Hz

Q2. Speech audiometry normally allows measurements to be made within the frequency range of _____
a) 300–3000 Hz
b) 30–300 Hz
c) 300–3000 KHz
d) 3–30K Hz

Q3. The signal intensity of Pure-tone audiometers ranging from ______
a) 10 dB to +100 dB
b) –10 dB to -100 dB
c) –10 dB to +100 dB
d) –10 dB to +10 dB

Q4. The frequency range of pure-tone audiometer is more than that of speech audiometer.
a) True
b) False

Q5. ___________ amplifier circulatory is employed to reduce the hum noise generated by the power supply in the ECG circuit.
a) low pass filters
b) high pass filters
c) band pass filters
d) notch filters

Q6. The unit of sensitivity of an electrocardiograph is ________
a) m/mV
b) mm/V
c) mm/mV
d) m/V

Q7. The volume of blood outside the dialyzer is known as priming volume.
a) True
b) False

Q8. The range of CMRR of Foetal electrocardiogram is ______________
a) 0-120 dB
b) 0-200 dB
c) 0-150 dB
d) 0- 130 dB

Q9. Power Line Hum is responsible for most of common-mode interfering signal.
a) True
b) False

Q10. What is the role of Cupraphan in haemodialysis?
a) used to check conductivity of dialyzer
b) used as membrane
c) used to check blood leakage
d) not at all used

Updated: 30th July 2019 — 8:17 PM

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