MCQOPTIONS
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MCQOPTIONS
This section includes 24 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 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 |
| Answer» B. 215 Hz | |
| 2. |
Which is the final stage in arrhythmia analysis? |
| A. | Beat labeling |
| B. | Alarms |
| C. | Rhythm labeling |
| D. | Summary statistics |
| Answer» D. Summary statistics | |
| 3. |
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 |
| Answer» C. If it is greater than 75% of the predicted interval | |
| 4. |
_________ 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 |
| Answer» C. Beat labeling | |
| 5. |
How many steps are there in QRS detection? |
| A. | Three steps |
| B. | Two steps |
| C. | Four steps |
| D. | One step |
| Answer» C. Four steps | |
| 6. |
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 |
| Answer» D. Baseline wander, muscle artifact | |
| 7. |
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 |
| Answer» D. Band-pass filter, High-pass filter | |
| 8. |
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 |
| Answer» C. 32 bit | |
| 9. |
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 |
| Answer» E. | |
| 10. |
HOW_MANY_STEPS_ARE_THERE_IN_QRS_DETECTION??$ |
| A. | Three steps |
| B. | Two steps |
| C. | Four steps |
| D. | One step |
| Answer» C. Four steps | |
| 11. |
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 |
| Answer» C. If it is greater than 75% of the predicted interval | |
| 12. |
__________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 |
| Answer» C. Beat labeling | |
| 13. |
What is the sampling rate of 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 |
| Answer» B. 215 Hz | |
| 14. |
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 |
| Answer» C. QRS detection and Dynamic coefficient | |
| 15. |
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 |
| Answer» E. | |
| 16. |
Which_is_the_final_stage_in_arrhythmia_analysis? |
| A. | Beat labeling |
| B. | Alarms |
| C. | Rhythm labeling |
| D. | Summary statistics |
| Answer» D. Summary statistics | |
| 17. |
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 |
| Answer» D. Baseline wander, muscle artifact | |
| 18. |
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 |
| Answer» B. False | |
| 19. |
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 |
| Answer» D. Band-pass filter, High-pass filter | |
| 20. |
Which analog-to-digital converter is used in digitization of ECG signal in signal conditioning? |
| A. | 16 bit |
| B. | 12 bit |
| C. | 32 bit |
| D. | 64 bit |
| Answer» C. 32 bit | |
| 21. |
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 |
| Answer» C. | |
| 22. |
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 |
| Answer» B. Beat labeling | |
| 23. |
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 |
| Answer» E. | |
| 24. |
An arrhythmia monitor is basically a ______ |
| A. | Sophisticated monitoring system |
| B. | Sophisticated alarm system |
| C. | Patient monitoring system |
| D. | ECG interpretation system |
| Answer» C. Patient monitoring system | |