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.

What is the range of FHR measurement due to substitution logic?

A. 0-200 bpm
B. 40-240 bpm
C. 20-220 bpm
D. 60-260 bpm
Answer» C. 20-220 bpm
Discussion
2.

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

A. True
B. False
Answer» C.
Discussion
3.

The F channel has a _______ ms pulse generator that is triggered by the foetal ECG.

A. 5
B. 10
C. 20
D. 30
Answer» E.
Discussion
4.

What is present in the processing circuit for signal separation?

A. Preamplifier
B. Power Line Hum
C. Notch Filter
D. Band Pass Filter
Answer» E.
Discussion
5.

What is responsible for most of the common-mode interfering signal?

A. Preamplifier
B. Notch Filter
C. Power Line Hum
D. Band Pass Filter
Answer» D. Band Pass Filter
Discussion
6.

What is the CMRR of Foetal electrocardiogram?

A. 0-150 dB
B. 0- 130 dB
C. 0-120 dB
D. 0-200 dB
Answer» D. 0-200 dB
Discussion
7.

What is the magnitude of ECG for a typical adult in the standard lead connection?

A. 1 mV
B. 2 mV
C. 3 mV
D. 4 mV
Answer» B. 2 mV
Discussion
8.

Which of the following is periodic noise source in the foetal ECG signal from the maternal abdomen?

A. Amplifier input noise
B. Maternal Muscle noise
C. Fluctuations in electrode polarization potential
D. Maternal ECG
Answer» E.
Discussion
9.

The foetus heart rate is approximately _______ time/s of normal adult foetal heart rate.

A. one
B. two
C. three
D. four
Answer» C. three
Discussion
10.

WHAT_IS_RESPONSIBLE_FOR_MOST_OF_COMMON-MODE_INTERFERING_SIGNAL??$

A. Preamplifier
B. Notch Filter
C. Power Line Hum
D. Band Pass Filter
Answer» D. Band Pass Filter
Discussion
11.

The F channel has a _______ ms pulse generator that is triggered by the foetal ECG.$

A. 5
B. 10
C. 20
D. 30
Answer» E.
Discussion
12.

What_is_present_in_processing_circuit_for_signal_separation?$

A. Preamplifier
B. Power Line Hum
C. Notch Filter
D. Band Pass Filter
Answer» E.
Discussion
13.

What is delay time to establish a missing foetal trigger pulse by substitution logic?

A. 150 ms
B. 200 ms
C. 250 ms
D. 270 ms
Answer» E.
Discussion
14.

AECG technique fails in those rare cases where the amniotic fluid fails to provide adequate electrical coupling from foetus to mother.

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

Foetal_ECG_signal_detected_via_electrodes_placed_on_mother’s_abdomen_is_complex_and_requires_accertion_of_maternal_signals_for_obtaining_FHR.$

A. True
B. False
Answer» C.
Discussion
16.

What is CMRR of Foetal electrocardiogram?

A. 0-150 dB
B. 0- 130 dB
C. 0-120 dB
D. 0-200 dB
Answer» D. 0-200 dB
Discussion
17.

Which of the following technique is used to measure foetal heart rate?

A. ECG
B. FECG
C. PCG
D. VCG
Answer» C. PCG
Discussion
18.

What is magnitude of ECG for typical adult in standard lead connnection ?

A. 1 mV
B. 2 mV
C. 3 mV
D. 4 mV
Answer» B. 2 mV
Discussion
19.

Which of the following is periodic noise source in the foetal ECG signal from maternal abdomen?

A. Amplifier input noise
B. Maternal Muscle noise
C. Fluctuations in electrode polarization potential
D. Maternal ECG
Answer» E.
Discussion
20.

The foetus heart rate is approximately _______ time/s of normal adult foetal heart rate .

A. one
B. two
C. three
D. four
Answer» C. three
Discussion
21.

What is the maximum amplitude of FECG recorded during pregnancy?

A. 100 to 300 mV
B. 300 to 500 mV
C. 500 to 700 mV
D. 700 to 900 mV
Answer» B. 300 to 500 mV
Discussion
22.

Where are the electrodes placed for recording foetal electrocardiogram?

A. heart
B. abdomen
C. brain
D. veins
Answer» C. brain
Discussion