Explore topic-wise MCQs in Biomedical Instrumentation.

This section includes 22 Mcqs, each offering curated multiple-choice questions to sharpen your Biomedical Instrumentation knowledge and support exam preparation. Choose a topic below to get started.

1.

Foetal ECG signal detected via electrodes placed on mother’s abdomen is complex and requires attenuation of maternal signals for obtaining FHR.

A. True
B. False
Answer» B. False
Discussion
2.

Which of the following is the property of instrumentational amplifier?

A. Extremely low input impedance
B. High bias and offset currents
C. Low slew rate
D. Very high CMRR
Answer» E.
Discussion
3.

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
Answer» C. used to check blood leakage
Discussion
4.

Power Line Hum is responsible for most of common-mode interfering signal.

A. True
B. False
Answer» B. False
Discussion
5.

The range of CMRR of Foetal electrocardiogram is ______________

A. 0-120 dB
B. 0-200 dB
C. 0-150 dB
D. 0- 130 dB
Answer» B. 0-200 dB
Discussion
6.

The volume of blood outside the dialyzer is known as priming volume.

A. True
B. False
Answer» C.
Discussion
7.

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
Answer» D. –10 dB to +10 dB
Discussion
8.

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
Answer» C. 25 to 8000 Hz
Discussion
9.

POWER_LINE_HUM_IS_RESPONSIBLE_FOR_MOST_OF_COMMON-MODE_INTERFERING_SIGNAL.?$

A. True
B. False
Answer» B. False
Discussion
10.

Which of the following is the property of instrumentational amplifier?$

A. Extremely low input impedance
B. high bias and offset currents
C. low slew rate
D. Very high CMRR
Answer» E.
Discussion
11.

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
Answer» C. used to check blood leakage
Discussion
12.

The range of FHR measurement due to substitution logic is between __________ bpm.

A. 20-220
B. 60-260
C. 40-240
D. 0-200
Answer» D. 0-200
Discussion
13.

The blood is a good conductor of electricity.

A. True
B. False
Answer» C.
Discussion
14.

Foetal_ECG_signal_detected_via_electrodes_placed_on_mother’s_abdomen_is_complex_and_requires_attenuation_of_maternal_signals_for_obtaining_FHR.$

A. True
B. False
Answer» B. False
Discussion
15.

The range of CMRR of Foetal electrocardiogram is _____________?

A. 0-120 dB
B. 0-200 dB
C. 0-150 dB
D. 0- 130 dB
Answer» B. 0-200 dB
Discussion
16.

The volume of blood out side the dialyzer is known as priming volume.

A. True
B. False
Answer» C.
Discussion
17.

The unit of sensitivity of an electrocardiograph is ________

A. m/mV
B. mm/V
C. mm/mV
D. m/V
Answer» D. m/V
Discussion
18.

___________ 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
Answer» E.
Discussion
19.

The frequency range of pure-tone audiometer is more than that of speech audiometer.

A. True
B. False
Answer» B. False
Discussion
20.

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
Answer» D. ‚Äö√Ñ√∂‚àö√ë‚àö¬®10 dB to +10 dB
Discussion
21.

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
Answer» B. 30‚Äö√Ñ√∂‚àö√ë‚àö¬®300 Hz
Discussion
22.

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
Answer» C. 25 to 8000 Hz
Discussion