 
			 
			MCQOPTIONS
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				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 | |