R4RIN – MCQs, Mock Tests | Biomedical Biomedical Instrumentation MCQs

What is the maximum amplitude of FECG recorded during pregnancy?

1. 100 to 300 mV
2. 300 to 500 mV
3. 500 to 700 mV
4. 700 to 900 mV

✅ Correct Answer: 1

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

1. one
2. two
3. three
4. four

✅ Correct Answer: 2

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

1. Amplifier input noise
2. Maternal Muscle noise
3. Fluctuations in electrode polarization potential
4. Maternal ECG

✅ Correct Answer: 4

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

1. 1 mV
2. 2 mV
3. 3 mV
4. 4 mV

✅ Correct Answer: 1

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

1. ECG
2. FECG
3. PCG
4. VCG

✅ Correct Answer: 2

What is the CMRR of Foetal electrocardiogram?

1. 0-150 dB
2. 0- 130 dB
3. 0-120 dB
4. 0-200 dB

✅ Correct Answer: 3

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

1. Preamplifier
2. Notch Filter
3. Power Line Hum
4. Band Pass Filter

✅ Correct Answer: 3

What is present in the processing circuit for signal separation?

1. Preamplifier
2. Power Line Hum
3. Notch Filter
4. Band Pass Filter

✅ Correct Answer: 4

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

1. 5
2. 10
3. 20
4. 30

✅ Correct Answer: 4

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

1. True
2. False
3.
4.

✅ Correct Answer: 2

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

1. True
2. False
3.
4.

✅ Correct Answer: 1

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

1. 150 ms
2. 200 ms
3. 250 ms
4. 270 ms

✅ Correct Answer: 4

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

1. 0-200 bpm
2. 40-240 bpm
3. 20-220 bpm
4. 60-260 bpm

✅ Correct Answer: 2

FHR yields important information about the status of ________

1. fats
2. eye
3. fibrous joint
4. foetus

✅ Correct Answer: 4

Foetal Heart sounds are listened by digital stethoscope.

1. True
2. False
3.
4.

✅ Correct Answer: 2

To listen to the foetal heart sounds at intervals of up to every _______ minutes is tradition.

1. 5
2. 10
3. 15
4. 20

✅ Correct Answer: 3

How is the assessment of the condition of foetus can be made during labour?

1. activity of sweat glands
2. baseline value of skin resistance
3. by foetal heart action
4. baseline value of breathing

✅ Correct Answer: 3

Which of the following instrument carries out a continuous and simultaneous recording of the instantaneous foetal heart rate and labour activity?

1. Electrocardiograph
2. Cardiotocograph
3. Electromyograph
4. Vectorcardiograph

✅ Correct Answer: 2

Sensitivity of _______ bpm/cm of the recording chart allows adequate reading of the recorded FHR.

1. 5
2. 10
3. 15
4. 20

✅ Correct Answer: 4

What is the used in Tocodynamometry to sense changes in uterine tension transmitted to abdominal skin surface?

1. U-Manometer
2. Barometer
3. Tocotonometer
4. Picometer

✅ Correct Answer: 3

Which of the following is a direct method for measuring foetal heart rate?

1. Abdominal foetal electrocardiogram
2. Foetal phonocardiogram
3. Ultrasound technique
4. Foetal ECG with scalp electrode

✅ Correct Answer: 4

Cardiotocographs are designed to measure and record foetal heart rate on an average basis.

1. True
2. False
3.
4.

✅ Correct Answer: 2

What is the accuracy of measurement for the classification of responses?

1. 1-2%
2. 2-3%
3. 3-4%
4. 4-5%

✅ Correct Answer: 2

Ambulatory monitoring of ECG is called ____________

1. Event Cardiography
2. Holter Cardiography
3. Real-Time Cardiography
4. Implantable Cardiography

✅ Correct Answer: 2

Which of the following type of systems are not available for ambulatory ECG monitoring?

1. Holter monitors
2. Event Recorders
3. Time Recorders
4. Implantable Loop Recorders

✅ Correct Answer: 3

The current state of Holter technology uses small recorders, which size is about _______

1. 75 x 20 x 90 cm
2. 75 x 95 x 20 cm
3. 75 x 20 x 95 mm
4. 75 x 95 x 20 mm

✅ Correct Answer: 4

Who provides an excellent review of ambulatory cardiac event recorders?

1. Handelsman
2. Benz
3. Alfonso
4. Friesen

✅ Correct Answer: 2

The monitor automatically transmits recorded data transtelephonically to a central monitoring station for subsequent analysis when an arrhythmia is detected by an arrhythmia algorithm.

1. True
2. False
3.
4.

✅ Correct Answer: 1

In the data recording, the normal speed of sub miniature tape recorder is ___________

1. 3 cm/s
2. 2 cm/s
3. 3 mm/s
4. 2 mm/s

✅ Correct Answer: 4

In data recorders, during replay, the tape is run at ________ to achieve rapid manual or automatic scanning of ambulatory records.

1. 80 times of recording speed
2. 70 times of recording speed
3. 60 times of recording speed
4. 50 times of recording speed

✅ Correct Answer: 3

Which of the following is not an arrhythmic condition?

1. Cardiographic beat
2. Bradycardia
3. Dropped beat
4. Ectopic beat

✅ Correct Answer: 1

Which CPU has an overall system control responsibility?

1. Control
2. Acquisition
3. Control and timing
4. Acquisition and display

✅ Correct Answer: 3

Full form of P-FCB is ________

1. Planar-Functional Circuit Board
2. Planar-Fashionable Circuit Branch
3. Planar-Functional Circuit Board
4. Planar-Fashionable Circuit Board

✅ Correct Answer: 4

Which is the most important physiological parameter monitored in the intensive care unit?

1. temperature
2. heart rate
3. blood pressure
4. skin color

✅ Correct Answer: 2

Which of the following instrument is used for monitoring patients with cardiac problems?

1. Cardiac Monitor
2. Central Monitor
3. Bedside Patient Monitor
4. Blood Pressure Monitor

✅ Correct Answer: 1

Which of the following instrument is also known as Cardioscopes?

1. Central Monitor
2. Bedside Patient Monitor
3. Cardiac Monitor
4. Blood Pressure Monitor

✅ Correct Answer: 3

Disposable type pregelled electrodes to pick up ____________ signal in cardiac monitor.

1. EOG
2. EMG
3. ECG
4. PCG

✅ Correct Answer: 3

What is used for amplification of signal in cardiac monitor?

1. Piezoelectric device
2. Transducer
3. Amplifier
4. Tape recorder

✅ Correct Answer: 3

_____________ is used to display ECG which enable direct observation of the ECG waveform.

1. Amplifier
2. Transducer
3. Tape Recorder
4. Cathode ray tube

✅ Correct Answer: 4

A cardioscope differ in one important aspects as compared to the conventional instrument.

1. True
2. False
3.
4.

✅ Correct Answer: 2

The slow sweep is an outcome of the low frequency character of ________________ signal.

1. EMG
2. EOG
3. ECG
4. PCG

✅ Correct Answer: 3

What is total sweep time for a 13-cm screen?

1. 0 to 0.5 s
2. 0.5 to 2 s
3. 2 to 2.5 s
4. 2.5 to 5 s

✅ Correct Answer: 4

How many heart beat one can observe in a single sweep period?

1. 1
2. 2
3. 3
4. 4

✅ Correct Answer: 4

What indicate average heart rate with audible beep?

1. disposable electrodes
2. heart rate meter
3. amplifier
4. cathode ray tube

✅ Correct Answer: 1

What is diameter of CRT used in small cardioscopes?

1. 1”
2. 3”
3. 5”
4. 7”

✅ Correct Answer: 2

An alarm system is used to produce signal in event of abnormalities occurring in heart rate.

1. True
2. False
3.
4.

✅ Correct Answer: 1

What is range of RF signals generated by Electrosurgery machine?

1. 0 to 0.4 MHz
2. 0.4 to 5 MHz
3. 5 to 6.5 MHz
4. 6.5 to 10 MHz

✅ Correct Answer: 2

Which of the following storage device is used for storing digital information in memory monitors?

1. Hard disk
2. Magnetic Tape
3. RAM
4. DVD

✅ Correct Answer: 3

Interruption or interference with normal physiological and developmental processes or structures is called _________

1. Functional Limitation
2. Pathophysiology
3. Societal Limitation
4. Modality-Specific

✅ Correct Answer: 2

For rehabilitation engineering perspective a task that is specific to a single sense or movement pattern is called ___________

1. Functional Limitation
2. Societal Limitation
3. Modality-Specific
4. Pathophysiology

✅ Correct Answer: 3

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Biomedical Instrumentation MCQs – Ambulatory Monitoring Instruments