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Phonocardiography (PCG) MCQ Questions & Answers

Phonocardiography (PCG) MCQs : This section focuses on the "Phonocardiography (PCG)". These Multiple Choice Questions (MCQs) should be practiced to improve the Phonocardiography (PCG) skills required for various interviews (campus interview, walk-in interview, company interview), placement, entrance exam and other competitive examinations.

Question 1

_________ is based on analyzing the shape of the QRS complexes and separating beats into groups or clusters.

A. Timing classification
B. Morphology characterization
C. Beat labeling
D. Noise detection

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Question 2

An arrhythmia monitor is basically a ______

A. Sophisticated monitoring system
B. Sophisticated alarm system
C. Patient monitoring system
D. ECG interpretation system

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Question 3

By using a _________ rather than a _________ the amplitude of low frequency noise as well as the low frequency components of the ECG will be reduced without affecting the QRS.

A. High-pass filter, Band-pass filter
B. Low-pass filter, Band-pass filter
C. Band-pass filter, Low-pass filter
D. Band-pass filter, High-pass filter

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Question 4

How many steps are there in QRS detection?

A. Three steps
B. Two steps
C. Four steps
D. One step

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Question 5

In arrhythmia monitoring system, it gives alarm light signals whenever the prematured or widened ectopic beats exist up to the rate of ___________

A. 6/min to 10/min
B. 6/min to 12/min
C. 6/min or 10/min
D. 6/min or 12/min

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Question 6

In automated arrhythmia monitoring system, which task is performed after the Ventricular fibrillation detection?

A. Rhythm definition
B. Beat labeling
C. Atrial fibrillation detection
D. Noise detection

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Question 7

In signal conditioning, ECG signal is amplified, filtered with 0.05-100 Hz for monitoring purposes and 1-40 Hz for diagnostic purposes.

A. True
B. False

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Question 8

In the process of the ECG waveform, the detection filter removes _______ and _______

A. Baseline wander, motion noise
B. Muscle artifact, motion noise
C. Low frequency noise, motion noise
D. Baseline wander, muscle artifact

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Question 9

The steep, large amplitude variation of the QRS complex is the obvious characteristics to use and this is the function of the R wave detector.

A. True
B. False

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Question 10

Ventricular Fibrillation is detected by _________

A. Shape of the QRS complexes
B. Difference of the R-R interval
C. Timing sequence of QRS complexes
D. Frequency domain analysis

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Question 11

What is the sampling rate of the analog-to-digital converter in digitizing of ECG signal in signal conditioning?

A. 250 Hz
B. 215 Hz
C. 40-100 Hz
D. 200-215 Hz

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Question 12

When will be R-R interval declared premature?

A. If it is greater than 85% of the predicted interval
B. If it is less than 85% of the predicted interval
C. If it is greater than 75% of the predicted interval
D. If it is less than 75% of the predicted interval

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Question 13

Which analog-to-digital converter is used in the digitization of ECG signal in signal conditioning?

A. 16 bit
B. 12 bit
C. 32 bit
D. 64 bit

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Question 14

Which is the final stage in arrhythmia analysis?

A. Beat labeling
B. Alarms
C. Rhythm labeling
D. Summary statistics

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Question 15

Which techniques are used in a new algorithm proposed by Jen and Hwang to obtain the long term ECG signal feature and extract the meaningful information hiding in the QRS complex?

A. Cepstrum time warping and Dynamic coefficient
B. Cepstrum coefficient and Dynamic time warping
C. QRS detection and Dynamic coefficient
D. QRS detection and Cepstrum time warping

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